Linkers (Miscellaneous) and its Impurities

Linkers, also referred to as spacers, are molecules or segments of molecules that connect two or more functional units within a larger molecular structure or complex. Reference standards of Linkers (Miscellaneous) API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 100 results for Linkers (Miscellaneous) Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 27 0030357

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-methyl ester

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-methyl ester


  • Catalogue No.:PA 27 0030357

  • CAS :

    1309460-30-7

  • Molecular Formula : C15H28O9

  • Molecular Weight : 352.38

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030358

2,5,8,11-Tetraoxatridecan-13-ol, 13-methanesulfonate

2,5,8,11-Tetraoxatridecan-13-ol, 13-methanesulfonate


  • Catalogue No.:PA 27 0030358

  • CAS :

    130955-37-2

  • Molecular Formula : C10H22O7S

  • Molecular Weight : 286.34

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030359

2,5,8,11,14-Pentaoxahexadecan-16-ol, 16-methanesulfonate

2,5,8,11,14-Pentaoxahexadecan-16-ol, 16-methanesulfonate


  • Catalogue No.:PA 27 0030359

  • CAS :

    130955-38-3

  • Molecular Formula : C12H26O8S

  • Molecular Weight : 330.39

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030360

2,5,8,11,14,17-Hexaoxanonadecan-19-ol, 19-methanesulfonate

2,5,8,11,14,17-Hexaoxanonadecan-19-ol, 19-methanesulfonate


  • Catalogue No.:PA 27 0030360

  • CAS :

    130955-39-4

  • Molecular Formula : C14H30O9S

  • Molecular Weight : 374.45

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030362

Propanoic acid, 3-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]-, 1,1-dimethylethyl ester

Propanoic acid, 3-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030362

  • CAS :

    1309666-78-1

  • Molecular Formula : C16H24O6S

  • Molecular Weight : 344.42

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030363

5,8,11-Trioxa-2-azatetradecanedioic acid, 1-(phenylmethyl) ester

5,8,11-Trioxa-2-azatetradecanedioic acid, 1-(phenylmethyl) ester


  • Catalogue No.:PA 27 0030363

  • CAS :

    1310327-18-4

  • Molecular Formula : C17H25NO7

  • Molecular Weight : 355.39

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030364

5,8-Dioxa-2,11-diazaheptadecanedioic acid, 12-oxo-, 1-(1,1-dimethylethyl) ester

5,8-Dioxa-2,11-diazaheptadecanedioic acid, 12-oxo-, 1-(1,1-dimethylethyl) ester


  • Catalogue No.:PA 27 0030364

  • CAS :

    1310327-20-8

  • Molecular Formula : C17H32N2O7

  • Molecular Weight : 376.45

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030365

5,8,11-Trioxa-2-azatridec-1-ene, 13-azido-1-thioxo

5,8,11-Trioxa-2-azatridec-1-ene, 13-azido-1-thioxo


  • Catalogue No.:PA 27 0030365

  • CAS :

    1310686-23-7

  • Molecular Formula : C9H16N4O3S

  • Molecular Weight : 260.31

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030366

Ethanethioic acid, S-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl] ester

Ethanethioic acid, S-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl] ester


  • Catalogue No.:PA 27 0030366

  • CAS :

    1310827-26-9

  • Molecular Formula : C10H19N3O4S

  • Molecular Weight : 277.34

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030367

3,6,9,16,19,22-Hexaoxa-12,13-dithiatetracosane, 1,24-diazido

3,6,9,16,19,22-Hexaoxa-12,13-dithiatetracosane, 1,24-diazido


  • Catalogue No.:PA 27 0030367

  • CAS :

    1310827-27-0

  • Molecular Formula : C16H32N6O6S2

  • Molecular Weight : 468.59

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030368

4,7,10-Trioxa-11-thiadodecanoic acid, 1,1-dimethylethyl ester, 11,11-dioxide

4,7,10-Trioxa-11-thiadodecanoic acid, 1,1-dimethylethyl ester, 11,11-dioxide


  • Catalogue No.:PA 27 0030368

  • CAS :

    1312309-62-8

  • Molecular Formula : C12H24O7S

  • Molecular Weight : 312.38

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030369

Carbamic acid, N-[3-(3-hydroxypropoxy)propyl]-, 1,1-dimethylethyl ester

Carbamic acid, N-[3-(3-hydroxypropoxy)propyl]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030369

  • CAS :

    1312905-31-9

  • Molecular Formula : C11H23NO4

  • Molecular Weight : 233.31

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030370

1-Propanol, 3-[2-(phenylmethoxy)ethoxy]

1-Propanol, 3-[2-(phenylmethoxy)ethoxy]


  • Catalogue No.:PA 27 0030370

  • CAS :

    131326-24-4

  • Molecular Formula : C12H18O3

  • Molecular Weight : 210.27

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030371

N-(1,3,4-thiadiazol-2-yl)nicotinamide, sodium salt

N-(1,3,4-thiadiazol-2-yl)nicotinamide, sodium salt


  • Catalogue No.:PA 27 0030371

  • CAS :

    1313731-99-5

  • Molecular Formula : C8H6N4NaOS

  • Molecular Weight : 229.21

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030372

4,7,10,13-Tetraoxa-16-azaheneicosanoic acid, 21-(1,2-dithiolan-3-yl)-17-oxo

4,7,10,13-Tetraoxa-16-azaheneicosanoic acid, 21-(1,2-dithiolan-3-yl)-17-oxo


  • Catalogue No.:PA 27 0030372

  • CAS :

    1314378-10-3

  • Molecular Formula : C19H35NO7S2

  • Molecular Weight : 453.61

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030376

4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(2,3,4,5,6-pentafluorophenyl) ester

4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030376

  • CAS :

    1314378-12-5

  • Molecular Formula : C24H20F10O8

  • Molecular Weight : 626.40

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030377

Propanoic acid, 3,3′-[oxybis(2,1-ethanediyloxy)]bis-, 1,1′-bis(2,3,4,5,6-pentafluorophenyl) ester

Propanoic acid, 3,3′-[oxybis(2,1-ethanediyloxy)]bis-, 1,1′-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030377

  • CAS :

    1314378-13-6

  • Molecular Formula : C22H16F10O7

  • Molecular Weight : 582.35

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030378

5,8,11,14-Tetraoxa-2-azaheptadecanedioic acid, 17-(2,5-dioxo-1-pyrrolidinyl) 1-(9H-fluoren-9-ylmethyl) ester

5,8,11,14-Tetraoxa-2-azaheptadecanedioic acid, 17-(2,5-dioxo-1-pyrrolidinyl) 1-(9H-fluoren-9-ylmethyl) ester


  • Catalogue No.:PA 27 0030378

  • CAS :

    1314378-14-7

  • Molecular Formula : C30H36N2O10

  • Molecular Weight : 584.62

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030380

Propanoic acid, 3,3′-[1,2-ethanediylbis(oxy)]bis-, 1,1′-bis(2,3,4,5,6-pentafluorophenyl) ester

Propanoic acid, 3,3′-[1,2-ethanediylbis(oxy)]bis-, 1,1′-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030380

  • CAS :

    1314378-18-1

  • Molecular Formula : C20H12F10O6

  • Molecular Weight : 538.29

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030382

1H-Pyrrole-1-propanamide, N-[19-(1,2-dithiolan-3-yl)-15-oxo-4,7,10-trioxa-14-azanonadec-1-yl]-2,5-dihydro-2,5-dioxo

1H-Pyrrole-1-propanamide, N-[19-(1,2-dithiolan-3-yl)-15-oxo-4,7,10-trioxa-14-azanonadec-1-yl]-2,5-dihydro-2,5-dioxo


  • Catalogue No.:PA 27 0030382

  • CAS :

    1314378-19-2

  • Molecular Formula : C25H41N3O7S2

  • Molecular Weight : 559.74

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030383

4,7,10,13,16,19,22,25,28-Nonaoxanonacosanoic acid, 2,5-dioxo-1-pyrrolidinyl ester

4,7,10,13,16,19,22,25,28-Nonaoxanonacosanoic acid, 2,5-dioxo-1-pyrrolidinyl ester


  • Catalogue No.:PA 27 0030383

  • CAS :

    1316189-13-5

  • Molecular Formula : C24H43NO13

  • Molecular Weight : 553.60

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030385

3,6,9,12,15,18,21,24-Octaoxapentacosan-1-ol, 25-phenyl-, 1-methanesulfonate

3,6,9,12,15,18,21,24-Octaoxapentacosan-1-ol, 25-phenyl-, 1-methanesulfonate


  • Catalogue No.:PA 27 0030385

  • CAS :

    1330059-91-0

  • Molecular Formula : C24H42O11S

  • Molecular Weight : 538.65

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030386

Carbamic acid, N-[4-[(2-chloroacetyl)amino]butyl]-, 1,1-dimethylethyl ester

Carbamic acid, N-[4-[(2-chloroacetyl)amino]butyl]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030386

  • CAS :

    133264-58-1

  • Molecular Formula : C11H21ClN2O3

  • Molecular Weight : 264.75

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030388

9,12,15,18,25,32,35,38,41-Nonaoxa-6,22,29-triazadotetracontanoic acid, 5,21,28-trioxo-23,23-bis(5-oxo-2,9,12,15,18-pentaoxa-6-azanonadec-1-yl)-, 2,5-dioxo-1-pyrrolidinyl ester

9,12,15,18,25,32,35,38,41-Nonaoxa-6,22,29-triazadotetracontanoic acid, 5,21,28-trioxo-23,23-bis(5-oxo-2,9,12,15,18-pentaoxa-6-azanonadec-1-yl)-, 2,5-dioxo-1-pyrrolidinyl ester


  • Catalogue No.:PA 27 0030388

  • CAS :

    1333154-70-3

  • Molecular Formula : C11H21ClN2O3

  • Molecular Weight : 264.75

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030389

23-azido-3,6,9,12,15,18,21-heptaoxatricosan-1-amine

23-azido-3,6,9,12,15,18,21-heptaoxatricosan-1-amine


  • Catalogue No.:PA 27 0030389

  • CAS :

    1333154-77-0

  • Molecular Formula : C16H34N4O7

  • Molecular Weight : 394.47

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030390

Phosphonic acid, (6-bromohexyl)

Phosphonic acid, (6-bromohexyl)


  • Catalogue No.:PA 27 0030390

  • CAS :

    133345-66-1

  • Molecular Formula : C6H14BrO3P

  • Molecular Weight : 245.05

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030392

5,8,11-Trioxa-2-azatetradec-13-ynoic acid, 1,1-dimethylethyl ester

5,8,11-Trioxa-2-azatetradec-13-ynoic acid, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030392

  • CAS :

    1333880-60-6

  • Molecular Formula : C14H25NO5

  • Molecular Weight : 287.36

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030393

1H-Pyrrole-1-propanamide, 2,5-dihydro-N-3,6,9,12,15,18,21,24-octaoxapentacos-1-yl-2,5-dioxo

1H-Pyrrole-1-propanamide, 2,5-dihydro-N-3,6,9,12,15,18,21,24-octaoxapentacos-1-yl-2,5-dioxo


  • Catalogue No.:PA 27 0030393

  • CAS :

    1334169-90-2

  • Molecular Formula : C24H42N2O11

  • Molecular Weight : 534.60

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030394

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 1-(1,1-dimethylethyl) ester

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 1-(1,1-dimethylethyl) ester


  • Catalogue No.:PA 27 0030394

  • CAS :

    1334169-93-5

  • Molecular Formula : C24H47NO12

  • Molecular Weight : 541.64

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030395

Hydrazinecarboxylic acid, 2-(27-amino-1-oxo-4,7,10,13,16,19,22,25-octaoxaheptacos-1-yl)-, 1,1-dimethylethyl ester

Hydrazinecarboxylic acid, 2-(27-amino-1-oxo-4,7,10,13,16,19,22,25-octaoxaheptacos-1-yl)-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030395

  • CAS :

    1334169-96-8

  • Molecular Formula : C24H49N3O11

  • Molecular Weight : 555.67

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030398

4,7,10,13,16,19,22,25,28-Nonaoxahentriacontanedioic acid, 1,31-bis(2,3,4,5,6-pentafluorophenyl) ester

4,7,10,13,16,19,22,25,28-Nonaoxahentriacontanedioic acid, 1,31-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030398

  • CAS :

    1334170-00-1

  • Molecular Formula : C34H40F10O13

  • Molecular Weight : 846.67

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030399

4,7,10,13,16,19,22-Heptaoxapentacosanedioic acid, 1,25-bis(2,3,4,5,6-pentafluorophenyl) ester

4,7,10,13,16,19,22-Heptaoxapentacosanedioic acid, 1,25-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030399

  • CAS :

    1334170-01-2

  • Molecular Formula : C30H32F10O11

  • Molecular Weight : 758.56

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030401

4,7,10,13,16,19,22-Heptaoxapentacosanedioic acid, 1,25-bis(2,5-dioxo-1-pyrrolidinyl) ester

4,7,10,13,16,19,22-Heptaoxapentacosanedioic acid, 1,25-bis(2,5-dioxo-1-pyrrolidinyl) ester


  • Catalogue No.:PA 27 0030401

  • CAS :

    1334170-02-3

  • Molecular Formula : C26H40N2O15

  • Molecular Weight : 620.61

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030402

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 29-(2,5-dioxo-1-pyrrolidinyl) 1-(9H-fluoren-9-ylmethyl) ester

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 29-(2,5-dioxo-1-pyrrolidinyl) 1-(9H-fluoren-9-ylmethyl) ester


  • Catalogue No.:PA 27 0030402

  • CAS :

    1334170-03-4

  • Molecular Formula : C38H52N2O14

  • Molecular Weight : 760.83

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030406

4,7,10,13,16,19,22,25-Octaoxa-28-azatritriacontanoic acid, 33-(3R)-1,2-dithiolan-3-yl-29-oxo

4,7,10,13,16,19,22,25-Octaoxa-28-azatritriacontanoic acid, 33-(3R)-1,2-dithiolan-3-yl-29-oxo


  • Catalogue No.:PA 27 0030406

  • CAS :

    1334172-70-1

  • Molecular Formula : C27H51NO11S2

  • Molecular Weight : 629.82

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030410

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1,19-bis(2,3,4,5,6-pentafluorophenyl) ester

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1,19-bis(2,3,4,5,6-pentafluorophenyl) ester


  • Catalogue No.:PA 27 0030410

  • CAS :

    1334177-78-4

  • Molecular Formula : C26H24F10O9

  • Molecular Weight : 670.45

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030411

4,7,10,13,16,19-Hexaoxa-22-azapentacosanoic acid, 25-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo

4,7,10,13,16,19-Hexaoxa-22-azapentacosanoic acid, 25-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo


  • Catalogue No.:PA 27 0030411

  • CAS :

    1334177-79-5

  • Molecular Formula : C22H36N2O11

  • Molecular Weight : 504.53

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030412

5,8,11,14,17,20-Hexaoxa-2-azatricosanedioic acid, 1-(phenylmethyl) ester

5,8,11,14,17,20-Hexaoxa-2-azatricosanedioic acid, 1-(phenylmethyl) ester


  • Catalogue No.:PA 27 0030412

  • CAS :

    1334177-80-8

  • Molecular Formula : C23H37NO10

  • Molecular Weight : 487.55

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030414

Ethanethioic acid, S-(23-hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl) ester

Ethanethioic acid, S-(23-hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl) ester


  • Catalogue No.:PA 27 0030414

  • CAS :

    1334177-81-9

  • Molecular Formula : C18H36O9S

  • Molecular Weight : 428.54

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030415

4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-hydroxy-, 1,1-dimethylethyl ester

4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-hydroxy-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030415

  • CAS :

    1334177-84-2

  • Molecular Formula : C23H46O11

  • Molecular Weight : 498.61

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030417

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 1-(phenylmethyl) ester

5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid, 1-(phenylmethyl) ester


  • Catalogue No.:PA 27 0030417

  • CAS :

    1334177-87-5

  • Molecular Formula : C27H45NO12

  • Molecular Weight : 575.65

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030420

Poly(oxy-1,2-ethanediyl), alpha-(2-carboxyethyl)-ω-[2-[[(phenylmethoxy)carbonyl]amino]ethoxy]

Poly(oxy-1,2-ethanediyl), alpha-(2-carboxyethyl)-ω-[2-[[(phenylmethoxy)carbonyl]amino]ethoxy]


  • Catalogue No.:PA 27 0030420

  • CAS :

    1334177-88-6

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030422

4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 17-oxo-19-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester

4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 17-oxo-19-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester


  • Catalogue No.:PA 27 0030422

  • CAS :

    1334177-95-5

  • Molecular Formula : C23H33N3O9S2

  • Molecular Weight : 559.65

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030423

Propanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]

Propanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]


  • Catalogue No.:PA 27 0030423

  • CAS :

    1334177-96-6

  • Molecular Formula : C27H46N2O11S2

  • Molecular Weight : 638.79

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030424

Propanoic acid, 3-[2-(2-hydroxyethoxy)ethoxy]

Propanoic acid, 3-[2-(2-hydroxyethoxy)ethoxy]


  • Catalogue No.:PA 27 0030424

  • CAS :

    1334286-77-9

  • Molecular Formula : C7H14O5

  • Molecular Weight : 178.18

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030425

2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47-Hexadecaoxanonatetracontan-49-ol

2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47-Hexadecaoxanonatetracontan-49-ol


  • Catalogue No.:PA 27 0030425

  • CAS :

    133604-58-7

  • Molecular Formula : C33H68O17

  • Molecular Weight : 736.89

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030426

Phosphonic acid, P-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]-, diethyl ester

Phosphonic acid, P-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]-, diethyl ester


  • Catalogue No.:PA 27 0030426

  • CAS :

    1337527-24-8

  • Molecular Formula : C12H26N3O6P

  • Molecular Weight : 339.33

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030427

Propanoic acid, 3-[2-(2-hydroxyethoxy)ethoxy]-, 1,1-dimethylethyl ester 

Propanoic acid, 3-[2-(2-hydroxyethoxy)ethoxy]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030427

  • CAS :

    133803-81-3

  • Molecular Formula : C11H22O5

  • Molecular Weight : 234.29

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030428

1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[13-[4-[(1E)-2-[5-(2-azidoethyl)-2-hydroxyphenyl]diazenyl]phenyl]-13-oxo-3,6,9-trioxa-12-azatridec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)

1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[13-[4-[(1E)-2-[5-(2-azidoethyl)-2-hydroxyphenyl]diazenyl]phenyl]-13-oxo-3,6,9-trioxa-12-azatridec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)


  • Catalogue No.:PA 27 0030428

  • CAS :

    1339202-33-3

  • Molecular Formula : C33H45N9O7S

  • Molecular Weight : 711.84

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030429

1H-Isoindole-1,3(2H)-dione, 2-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]

1H-Isoindole-1,3(2H)-dione, 2-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]


  • Catalogue No.:PA 27 0030429

  • CAS :

    134179-44-5

  • Molecular Formula : C16H20N4O5

  • Molecular Weight : 348.36

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030430

Carbamic acid, N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-, 1,1-dimethylethyl ester

Carbamic acid, N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030430

  • CAS :

    134272-63-2

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030431

1,2-Dithiolane-3-pentanamide, N-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl]

1,2-Dithiolane-3-pentanamide, N-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl]


  • Catalogue No.:PA 27 0030431

  • CAS :

    1342764-64-0

  • Molecular Formula : C16H31NO5S2

  • Molecular Weight : 381.55

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030432

3,6,9,12,15,18,21,24-Octaoxahexacosanoic acid, 26-azido

3,6,9,12,15,18,21,24-Octaoxahexacosanoic acid, 26-azido


  • Catalogue No.:PA 27 0030432

  • CAS :

    1343472-07-0

  • Molecular Formula : C18H35N3O10

  • Molecular Weight : 453.49

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030433

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-(2,5-dioxo-1-pyrrolidinyl) ester

4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-(2,5-dioxo-1-pyrrolidinyl) ester


  • Catalogue No.:PA 27 0030433

  • CAS :

    1343476-41-4

  • Molecular Formula : C18H29NO11

  • Molecular Weight : 435.43

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030434

5,8,11,14,17,20,23-Heptaoxa-2-azapentacosanoic acid, 25-hydroxy-, 1,1-dimethylethyl ester

5,8,11,14,17,20,23-Heptaoxa-2-azapentacosanoic acid, 25-hydroxy-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030434

  • CAS :

    1345337-22-5

  • Molecular Formula : C21H43NO10

  • Molecular Weight : 469.57

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030435

4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester

4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030435

  • CAS :

    1345337-28-1

  • Molecular Formula : C30H52O13S

  • Molecular Weight : 652.79

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030436

3,6,9,12,15,18,21,24,27,30,33-Undecaoxapentatriacontan-1-ol, 35-amino

3,6,9,12,15,18,21,24,27,30,33-Undecaoxapentatriacontan-1-ol, 35-amino


  • Catalogue No.:PA 27 0030436

  • CAS :

    1345681-71-1

  • Molecular Formula : C24H51NO12

  • Molecular Weight : 545.67

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030437

1-Piperidinecarboxylic acid, 4-(3-butyn-1-yl)-, 1,1-dimethylethyl ester

1-Piperidinecarboxylic acid, 4-(3-butyn-1-yl)-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030437

  • CAS :

    1346153-07-8

  • Molecular Formula : C14H23NO2

  • Molecular Weight : 237.34

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030438

Acetic acid, 2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]

Acetic acid, 2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]


  • Catalogue No.:PA 27 0030438

  • CAS :

    1346502-15-5

  • Molecular Formula : C8H15BrO5

  • Molecular Weight : 271.11

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030439

Acetic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]

Acetic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]


  • Catalogue No.:PA 27 0030439

  • CAS :

    134724-87-1

  • Molecular Formula : C10H7NO5

  • Molecular Weight : 221.17

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030440

5,8,11,14,17,20,23,26,29,32-Decaoxa-2-azatetratriacontanoic acid, 34-amino-, 1,1-dimethylethyl ester

5,8,11,14,17,20,23,26,29,32-Decaoxa-2-azatetratriacontanoic acid, 34-amino-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030440

  • CAS :

    1347704-59-9

  • Molecular Formula : C27H56N2O12

  • Molecular Weight : 600.75

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030441

3,6,9,12,15-Pentaoxaheptadecane-1-thiol, 17-amino

3,6,9,12,15-Pentaoxaheptadecane-1-thiol, 17-amino


  • Catalogue No.:PA 27 0030441

  • CAS :

    1347750-20-2

  • Molecular Formula : C12H27NO5S

  • Molecular Weight : 297.41

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030442

4,7,10,13,16,19-Hexaoxaeicosanoic acid

4,7,10,13,16,19-Hexaoxaeicosanoic acid


  • Catalogue No.:PA 27 0030442

  • CAS :

    1347750-72-4

  • Molecular Formula : C14H28O8

  • Molecular Weight : 324.37

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030443

5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(phenylmethyl) ester

5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(phenylmethyl) ester


  • Catalogue No.:PA 27 0030443

  • CAS :

    1347750-74-6

  • Molecular Formula : C21H33NO9

  • Molecular Weight : 443.49

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030444

5,8,11-Trioxa-2-azatetradecanedioic acid, 1-(1,1-dimethylethyl) ester

5,8,11-Trioxa-2-azatetradecanedioic acid, 1-(1,1-dimethylethyl) ester


  • Catalogue No.:PA 27 0030444

  • CAS :

    1347750-75-7

  • Molecular Formula : C14H27NO7

  • Molecular Weight : 321.37

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030445

4,7,12-Trioxa-10-azatridecanoic acid, 11-oxo-13-phenyl

4,7,12-Trioxa-10-azatridecanoic acid, 11-oxo-13-phenyl


  • Catalogue No.:PA 27 0030445

  • CAS :

    1347750-76-8

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030446

Propanoic acid, 3-[(17-mercapto-3,6,9,12,15-pentaoxaheptadec-1-yl)oxy]

Propanoic acid, 3-[(17-mercapto-3,6,9,12,15-pentaoxaheptadec-1-yl)oxy]


  • Catalogue No.:PA 27 0030446

  • CAS :

    1347750-77-9

  • Molecular Formula : C15H30O8S

  • Molecular Weight : 370.46

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030447

5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(1,1-dimethylethyl) ester

5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(1,1-dimethylethyl) ester


  • Catalogue No.:PA 27 0030447

  • CAS :

    1347750-78-0

  • Molecular Formula : C18H35NO9

  • Molecular Weight : 409.48

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030448

3,6,9,12-Tetraoxapentadec-14-yne-1-thiol

3,6,9,12-Tetraoxapentadec-14-yne-1-thiol


  • Catalogue No.:PA 27 0030448

  • CAS :

    1347750-80-4

  • Molecular Formula : C11H20O4S

  • Molecular Weight : 248.34

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030449

Propanoic acid, 3-[2-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]ethoxy]-, 2,3,4,5,6-pentafluorophenyl ester

Propanoic acid, 3-[2-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]ethoxy]-, 2,3,4,5,6-pentafluorophenyl ester


  • Catalogue No.:PA 27 0030449

  • CAS :

    1347750-81-5

  • Molecular Formula : C20H19F5N2O7

  • Molecular Weight : 494.37

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030450

Propanoic acid, 3-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]

Propanoic acid, 3-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]


  • Catalogue No.:PA 27 0030450

  • CAS :

    1347750-82-6

  • Molecular Formula : C9H18O5S

  • Molecular Weight : 238.30

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030451

4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 19-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-17-oxo-, 2,3,4,5,6-pentafluorophenyl ester

4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 19-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-17-oxo-, 2,3,4,5,6-pentafluorophenyl ester


  • Catalogue No.:PA 27 0030451

  • CAS :

    1347750-84-8

  • Molecular Formula : C24H27F5N2O9

  • Molecular Weight : 582.48

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030452

Propanoic acid, 3-[(17-hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl)oxy]

Propanoic acid, 3-[(17-hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl)oxy]


  • Catalogue No.:PA 27 0030452

  • CAS :

    1347750-85-9

  • Molecular Formula : C15H30O9

  • Molecular Weight : 354.40

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030454

Propanoic acid, 3-[2-[2-(2-propyn-1-yloxy)ethoxy]ethoxy]

Propanoic acid, 3-[2-[2-(2-propyn-1-yloxy)ethoxy]ethoxy]


  • Catalogue No.:PA 27 0030454

  • CAS :

    1347760-82-0

  • Molecular Formula : C10H16O5

  • Molecular Weight : 216.23

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030455

Nonanoic acid, 9-amino-, 1,1-dimethylethyl ester

Nonanoic acid, 9-amino-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030455

  • CAS :

    134857-22-0

  • Molecular Formula : C13H27NO2

  • Molecular Weight : 229.36

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030456

2-(2-methoxyethoxy)ethane-1-thiol

2-(2-methoxyethoxy)ethane-1-thiol


  • Catalogue No.:PA 27 0030456

  • CAS :

    134874-49-0

  • Molecular Formula : C5H12O2S

  • Molecular Weight : 136.21

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030591

5-(Biotinamido)pentylazide

5-(Biotinamido)pentylazide


  • Catalogue No.:PA 27 0030591

  • CAS :

    1349190-76-6

  • Molecular Formula : C15H26N6O2S

  • Molecular Weight : 354.47

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030592

Bis-methacrylate-PEG5

Bis-methacrylate-PEG5


  • Catalogue No.:PA 27 0030592

  • CAS :

    13497-24-0

  • Molecular Formula : C18H30O8

  • Molecular Weight : 374.43

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030593

2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)acetic acid

2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)acetic acid


  • Catalogue No.:PA 27 0030593

  • CAS :

    134978-99-7

  • Molecular Formula : C8H17NO5

  • Molecular Weight : 207.23

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030931

(2R,4R)-1-(tert-butoxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid

(2R,4R)-1-(tert-butoxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid


  • Catalogue No.:PA 27 0030931

  • CAS :

    135042-12-5

  • Molecular Formula : C10H17NO5

  • Molecular Weight : 231.25

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030594

4,7,10,13,16,19,22,25-octaoxaoctacosa-1,27-diyne

4,7,10,13,16,19,22,25-octaoxaoctacosa-1,27-diyne


  • Catalogue No.:PA 27 0030594

  • CAS :

    1351373-46-0

  • Molecular Formula : C20H34O8

  • Molecular Weight : 402.48

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030595

Bis-propargyl-PEG10

Bis-propargyl-PEG10


  • Catalogue No.:PA 27 0030595

  • CAS :

    1351373-47-1

  • Molecular Formula : C24H42O10

  • Molecular Weight : 490.59

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030596

4,7,10,13,16,19,22,25,28,31,34-Undecaoxaheptatriaconta-1,36-diyn

4,7,10,13,16,19,22,25,28,31,34-Undecaoxaheptatriaconta-1,36-diyn


  • Catalogue No.:PA 27 0030596

  • CAS :

    1351373-48-2

  • Molecular Formula : C26H46O11

  • Molecular Weight : 534.64

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030597

4,7,10,13,16,19,22,25,28,31,34,37-Dodecaoxatetraconta-1,39-diyne

4,7,10,13,16,19,22,25,28,31,34,37-Dodecaoxatetraconta-1,39-diyne


  • Catalogue No.:PA 27 0030597

  • CAS :

    1351373-49-3

  • Molecular Formula : C28H50O12

  • Molecular Weight : 578.70

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030598

4,7,10,13,16,19,22,25,28,31,34,37,40-Tridecaoxatritetraconta-1,42-diyne

4,7,10,13,16,19,22,25,28,31,34,37,40-Tridecaoxatritetraconta-1,42-diyne


  • Catalogue No.:PA 27 0030598

  • CAS :

    1351373-50-6

  • Molecular Formula : C30H54O13

  • Molecular Weight : 622.75

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030599

Amino-PEG4-benzyl ester

Amino-PEG4-benzyl ester


  • Catalogue No.:PA 27 0030599

  • CAS :

    1351397-21-1

  • Molecular Formula : C18H29NO

  • Molecular Weight : 355.43

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030600

3,6,9,12,15,18,21,24-Octaoxaheptacos-26-yn-1-ol

3,6,9,12,15,18,21,24-Octaoxaheptacos-26-yn-1-ol


  • Catalogue No.:PA 27 0030600

  • CAS :

    1351556-81-4

  • Molecular Formula : C19H36O9

  • Molecular Weight : 408.49

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030601

Ethanethioic acid, S-(17-hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl) ester

Ethanethioic acid, S-(17-hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl) ester


  • Catalogue No.:PA 27 0030601

  • CAS :

    1352221-63-6

  • Molecular Formula : C14H28O7S

  • Molecular Weight : 340.43

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030602

Azido-PEG5-S-methyl ethanethioate

Azido-PEG5-S-methyl ethanethioate


  • Catalogue No.:PA 27 0030602

  • CAS :

    1352221-64-7

  • Molecular Formula : C14H27N3O6S

  • Molecular Weight : 365.45

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030603

Carbamic acid, N-[3-(aminooxy)propoxy]-, 1,1-dimethylethyl ester

Carbamic acid, N-[3-(aminooxy)propoxy]-, 1,1-dimethylethyl ester


  • Catalogue No.:PA 27 0030603

  • CAS :

    1352546-80-5

  • Molecular Formula : C8H18N2O4

  • Molecular Weight : 206.24

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030605

Fmoc-PEG3-NHS ester

Fmoc-PEG3-NHS ester


  • Catalogue No.:PA 27 0030605

  • CAS :

    1352827-47-4

  • Molecular Formula : C28H32N2O9

  • Molecular Weight : 540.57

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030606

Bromoacetamido-PEG2-NHS ester

Bromoacetamido-PEG2-NHS ester


  • Catalogue No.:PA 27 0030606

  • CAS :

    1353011-78-5

  • Molecular Formula : C13H19BrN2O7

  • Molecular Weight : 395.21

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030608

DNP-PEG2-acid

DNP-PEG2-acid


  • Catalogue No.:PA 27 0030608

  • CAS :

    1353011-89-8

  • Molecular Formula : C13H17N3O8

  • Molecular Weight : 343.29

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030607

Propanoic acid, 3-[(14-chloro-13-oxo-3,6,9-trioxa-12-azatetradec-1-yl)oxy]-, 2,5-dioxo-1-pyrrolidinyl ester

Propanoic acid, 3-[(14-chloro-13-oxo-3,6,9-trioxa-12-azatetradec-1-yl)oxy]-, 2,5-dioxo-1-pyrrolidinyl ester


  • Catalogue No.:PA 27 0030607

  • CAS :

    1353011-95-6

  • Molecular Formula : C17H27ClN2O9

  • Molecular Weight : 438.86

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030609

Thiol-C10-amide-PEG8

Thiol-C10-amide-PEG8


  • Catalogue No.:PA 27 0030609

  • CAS :

    1353948-95-4

  • Molecular Formula : C27H55NO9S

  • Molecular Weight : 569.80

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030610

m-PEG9-azide

m-PEG9-azide


  • Catalogue No.:PA 27 0030610

  • CAS :

    1354521-95-1

  • Molecular Formula : C19H39N3O9

  • Molecular Weight : 453.53

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030611

Methylamino-PEG3-azide

Methylamino-PEG3-azide


  • Catalogue No.:PA 27 0030611

  • CAS :

    1355197-57-7

  • Molecular Formula : C19H39N3O9

  • Molecular Weight : 453.53

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030612

Propargyl-PEG4-t-butyl ester

Propargyl-PEG4-t-butyl ester


  • Catalogue No.:PA 27 0030612

  • CAS :

    1355197-66-8

  • Molecular Formula : C16H28O6

  • Molecular Weight : 316.39

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030613

Propargyl-PEG6-t-butyl ester

Propargyl-PEG6-t-butyl ester


  • Catalogue No.:PA 27 0030613

  • CAS :

    1355197-95-3

  • Molecular Formula : C20H36O8

  • Molecular Weight : 404.50

Drug Reference Standards & Impurity Synthesis in India
PA 27 0030614

2-(2-(2-((6-chlorohexyl)oxy)ethoxy)ethoxy)ethan-1-ol

2-(2-(2-((6-chlorohexyl)oxy)ethoxy)ethoxy)ethan-1-ol


  • Catalogue No.:PA 27 0030614

  • CAS :

    1355955-95-1

  • Molecular Formula : C12H25ClO4

  • Molecular Weight : 268.78

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