amlodipine and its Impurities

Amlodipine is commonly used in the treatment of high blood pressure and angina. Amlodipine, initially approved by the FDA in 1987, is a popular antihypertensive drug belonging to the group of drugs called dihydropyridine calcium channel blockers. Reference standards of Amlodipine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 100 results for amlodipine Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 01 49000

Amlodipine

Amlodipine


  • Catalogue No.:PA 01 49000

  • CAS :

    88150-42-9

  • Molecular Formula : C20H25ClN2O5

  • Molecular Weight : 408.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 49520

Amlodipine Azido Impurity

Amlodipine Azido Impurity


  • Catalogue No.:PA 01 49520

  • CAS :

    88150-46-3

  • Molecular Formula : C20H23ClN4O5

  • Molecular Weight : 434.87

Drug Reference Standards & Impurity Synthesis in India
PA 01 49530

Amlodipine 4-chloro Isomer

Amlodipine 4-chloro Isomer


  • Catalogue No.:PA 01 49530

  • CAS :

    90445-02-6

  • Molecular Formula : C20H25ClN2O5

  • Molecular Weight : 408.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 49540

(R)-Amlodipine

(R)-Amlodipine


  • Catalogue No.:PA 01 49540

  • CAS :

    103129-81-3

  • Molecular Formula : C20H25ClN2O5

  • Molecular Weight : 408.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 49550

2-((2-Aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylic Acid

2-((2-Aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylic Acid


  • Catalogue No.:PA 01 49550

  • CAS :

    1821498-25-2

  • Molecular Formula : C17H19ClN2O5

  • Molecular Weight : 366.8

Drug Reference Standards & Impurity Synthesis in India
PA 01 49560

Amlodipine N-Galactopyranoside

Amlodipine N-Galactopyranoside


  • Catalogue No.:PA 01 49560

  • CAS :

    NA

  • Molecular Formula : C26H35ClN2O10

  • Molecular Weight : 571.02

Drug Reference Standards & Impurity Synthesis in India
PA 01 49570

Amlodipine Mannitol Adduct

Amlodipine Mannitol Adduct


  • Catalogue No.:PA 01 49570

  • CAS :

    NA

  • Molecular Formula : C26H37ClN2O10

  • Molecular Weight : 573.03

Drug Reference Standards & Impurity Synthesis in India
PA 01 49580

Levamlodipine

(S)-Amlodipine


  • Catalogue No.:PA 01 49580

  • CAS :

    103129-82-4

  • Molecular Formula : C20H25ClN2O5

  • Molecular Weight : 408.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 49590

4-(2-Chlorophenyl)-1,4-dihydro-2-(hydroxymethyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

4-(2-Chlorophenyl)-1,4-dihydro-2-(hydroxymethyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester


  • Catalogue No.:PA 01 49590

  • CAS :

    79781-21-8

  • Molecular Formula : C18H20ClNO5

  • Molecular Weight : 365.81

Drug Reference Standards & Impurity Synthesis in India
PA 01 49600

3-Ethyl 5-Methyl 2-((2-acetamidoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-Methyl 2-((2-acetamidoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 49600

  • CAS :

    93848-82-9

  • Molecular Formula : C22H27ClN2O6

  • Molecular Weight : 450.91

Drug Reference Standards & Impurity Synthesis in India
PA 01 50510

Amlodipine N-Lactoside

Amlodipine N-Lactoside


  • Catalogue No.:PA 01 50510

  • CAS :

    2173291-00-2

  • Molecular Formula : C32H45ClN2O15

  • Molecular Weight : 733.16

Drug Reference Standards & Impurity Synthesis in India
PA 01 50520

Amlodipine Methyl Monoester Impurity

Amlodipine Methyl Monoester Impurity


  • Catalogue No.:PA 01 50520

  • CAS :

    1809326-44-0

  • Molecular Formula : C18H21ClN2O5

  • Molecular Weight : 380.82

Drug Reference Standards & Impurity Synthesis in India
PA 01 50530

Amlodipine Ethyl Monoester Impurity

Amlodipine Ethyl Monoester Impurity


  • Catalogue No.:PA 01 50530

  • CAS :

    113994-37-9

  • Molecular Formula : C19H23ClN2O5

  • Molecular Weight : 394.85

Drug Reference Standards & Impurity Synthesis in India
PA 01 50540

S(-)Amlodipine Besylate Hemipentahydrate

S(-)Amlodipine Besylate Hemipentahydrate


  • Catalogue No.:PA 01 50540

  • CAS :

    884648-62-8

  • Molecular Formula : C20H25ClN2O5.C6H6O3S.5/2(H2O)

  • Molecular Weight : 408.88 + 158.17+2.5(18.02)

Drug Reference Standards & Impurity Synthesis in India
PA 01 50550

R(+)Amlodipine Besylate

R(+)Amlodipine Besylate


  • Catalogue No.:PA 01 50550

  • CAS :

    828247-64-9

  • Molecular Formula : C26H31ClN2O8S

  • Molecular Weight : 567.05

Drug Reference Standards & Impurity Synthesis in India
PA 01 50560

S(-)Amlodipine Besylate

S(-)Amlodipine Besylate


  • Catalogue No.:PA 01 50560

  • CAS :

    150566-71-5

  • Molecular Formula : C26H31ClN2O8S

  • Molecular Weight : 567.05

Drug Reference Standards & Impurity Synthesis in India
PA 01 50570

N-Formyl Amlodipine

N-Formyl Amlodipine


  • Catalogue No.:PA 01 50570

  • CAS :

    93848-81-8

  • Molecular Formula : C21H25ClN2O6

  • Molecular Weight : 436.89

Drug Reference Standards & Impurity Synthesis in India
PA STI 007410

(R)-Amlodipine-d4

(R)-Amlodipine-d4


  • Catalogue No.:PA STI 007410

  • CAS :

    1346616-97-4

  • Molecular Formula : C20H21D4ClN2O5

  • Molecular Weight : 412.90

Drug Reference Standards & Impurity Synthesis in India
PA STI 007420

(S)-Amlodipine-d4

(S)-Amlodipine-d4


  • Catalogue No.:PA STI 007420

  • CAS :

    1346617-19-3

  • Molecular Formula : C20H21D4ClN2O5

  • Molecular Weight : 412.90

Drug Reference Standards & Impurity Synthesis in India
PA STI 007430

Amlodipine-d4

Amlodipine-d4


  • Catalogue No.:PA STI 007430

  • CAS :

    1185246-14-3

  • Molecular Formula : C20H21D4ClN2O5

  • Molecular Weight : 412.90

Drug Reference Standards & Impurity Synthesis in India
PA STI 007440

Amlodipine-d4 Maleic Acid Salt

Amlodipine-d4 Maleic Acid Salt


  • Catalogue No.:PA STI 007440

  • CAS :

    1185246-15-4

  • Molecular Formula : C24H25D4ClN2O9

  • Molecular Weight : 528.97

Drug Reference Standards & Impurity Synthesis in India
PA USP1029556

Amlodipine Related Compound E (Diethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-di (1029556)

Amlodipine Related Compound E (Diethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-di (1029556)


  • Catalogue No.:PA USP1029556

  • CAS :

    140171-65-9

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029567

Amlodipine Related Compound F (Dimethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-d (1029567)

Amlodipine Related Compound F (Dimethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-d (1029567)


  • Catalogue No.:PA USP1029567

  • CAS :

    140171-66-0

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029545

Amlodipine Related Compound D (3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-{[2-(1,3-dioxoisoindolin-2-yl) (1029545)

Amlodipine Related Compound D (3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-{[2-(1,3-dioxoisoindolin-2-yl) (1029545)


  • Catalogue No.:PA USP1029545

  • CAS :

    88150-62-3

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029614

Amlodipine Related Compound K (Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4 (1029614)

Amlodipine Related Compound K (Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4 (1029614)


  • Catalogue No.:PA USP1029614

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029501

Amlodipine Besylate (1029501)

Amlodipine Besylate (1029501)


  • Catalogue No.:PA USP1029501

  • CAS :

    111470-99-6

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029512

Amlodipine Related Compound A (3-Ethyl, 5-methyl [2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-meth (1029512)

Amlodipine Related Compound A (3-Ethyl, 5-methyl [2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-meth (1029512)


  • Catalogue No.:PA USP1029512

  • CAS :

    113994-41-5

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029534

Amlodipine Related Compound C (Dimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dic (1029534)

Amlodipine Related Compound C (Dimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dic (1029534)


  • Catalogue No.:PA USP1029534

  • CAS :

    43067-01-2

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1029523

Amlodipine Related Compound B (3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-({2-[2-(methylcarbamo (1029523)

Amlodipine Related Compound B (3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-({2-[2-(methylcarbamo (1029523)


  • Catalogue No.:PA USP1029523

  • CAS :

    721958-72-1

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0000049

Amlodipine besilate (Y0000049)

Amlodipine besilate (Y0000049)


  • Catalogue No.:PA EPY0000049

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0001068

Amlodipine impurity A (Y0001068)

Amlodipine impurity A (Y0001068)


  • Catalogue No.:PA EPY0001068

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0001069

Amlodipine impurity B (Y0001069)

Amlodipine impurity B (Y0001069)


  • Catalogue No.:PA EPY0001069

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0001070

Amlodipine impurity G (Y0001070)

Amlodipine impurity G (Y0001070)


  • Catalogue No.:PA EPY0001070

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0001067

Amlodipine for peak identification (Y0001067)

Amlodipine for peak identification (Y0001067)


  • Catalogue No.:PA EPY0001067

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA JP0009

Amlodipine Besilate (JP 0009)

Amlodipine Besilate (JP 0009)


  • Catalogue No.:PA JP0009

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003010

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methylpyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methylpyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003010

  • CAS :

    113994-41-5

  • Molecular Formula : C20H23ClN2O5

  • Molecular Weight : 406.90

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003020

2-((Z)-tert-Butyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate

2-((Z)-tert-Butyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate


  • Catalogue No.:PAI 01 003020

  • CAS :

    NA

  • Molecular Formula : C23H20ClNO6

  • Molecular Weight : 441.90

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003030

(E)-tert-Butyl 3-aminobut-2-enoate

(E)-tert-Butyl 3-aminobut-2-enoate


  • Catalogue No.:PAI 01 003030

  • CAS :

    856427-32-2

  • Molecular Formula : C17H20O4

  • Molecular Weight : 157.2

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003040

3-tert-Butyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-tert-Butyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003040

  • CAS :

    NA

  • Molecular Formula : C13H16O2

  • Molecular Weight : 581.10

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003050

3-tert-Butyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-tert-Butyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003050

  • CAS :

    NA

  • Molecular Formula : C23H31ClN2O5

  • Molecular Weight : 451.00

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003060

(Z)-Benzyl 3-aminobut-2-enoate

(Z)-Benzyl 3-aminobut-2-enoate


  • Catalogue No.:PAI 01 003060

  • CAS :

    464917-79-1

  • Molecular Formula : C11H13NO2

  • Molecular Weight : 191.20

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003070

3-Benzyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Benzyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003070

  • CAS :

    NA

  • Molecular Formula : C34H31ClN2O7

  • Molecular Weight : 615.07

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003080

3-Benzyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Benzyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003080

  • CAS :

    NA

  • Molecular Formula : C26H29ClN2O5

  • Molecular Weight : 484.97

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003090

(Z)-Ethyl 3-aminobut-2-enoate

(Z)-Ethyl 3-aminobut-2-enoate


  • Catalogue No.:PAI 01 003090

  • CAS :

    626-34-6

  • Molecular Formula : C6H11NO2

  • Molecular Weight : 129.2

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003100

Diethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

Diethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003100

  • CAS :

    140171-49-9

  • Molecular Formula : C29H29ClN2O7

  • Molecular Weight : 553

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003120

(Z)-Ethyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate

(Z)-Ethyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate


  • Catalogue No.:PAI 01 003120

  • CAS :

    NA

  • Molecular Formula : C23H20ClNO6

  • Molecular Weight : 441.90

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003130

4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester

4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester


  • Catalogue No.:PAI 01 003130

  • CAS :

    111429-90-4

  • Molecular Formula : C15H15NO6

  • Molecular Weight : 305.28

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003140

(EZ)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester

(EZ)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester


  • Catalogue No.:PAI 01 003140

  • CAS :

    NA

  • Molecular Formula : C22H18ClNO6

  • Molecular Weight : 427.83

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003150

4-(2-Chlorophenyl)-2-[[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester

4-(2-Chlorophenyl)-2-[[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester


  • Catalogue No.:PAI 01 003150

  • CAS :

    140171-50-2

  • Molecular Formula : C27H25ClN2O7

  • Molecular Weight : 524.95

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003160

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003160

  • CAS :

    39562-06-6

  • Molecular Formula : C18H20ClNO4

  • Molecular Weight : 349.81

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003170

N-Boc-ethanolamine

N-Boc-ethanolamine


  • Catalogue No.:PAI 01 003170

  • CAS :

    26690-80-2

  • Molecular Formula : C7H15NO3

  • Molecular Weight : 161.20

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003180

3-Ethyl 5-methyl 2-((2-((tert-butoxycarbonyl)amino)ethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 2-((2-((tert-butoxycarbonyl)amino)ethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003180

  • CAS :

    143290-24-8

  • Molecular Formula : C25H33ClN2O7

  • Molecular Weight : 509

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003190

Ethyl (Z)-2-(2-chlorobenzylidene)-3-oxobutanoate

Ethyl (Z)-2-(2-chlorobenzylidene)-3-oxobutanoate


  • Catalogue No.:PAI 01 003190

  • CAS :

    24405-35-4

  • Molecular Formula : C13H13ClO3

  • Molecular Weight : 252.69

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003200

3-Ethyl 5-methyl 1-benzyl-4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 1-benzyl-4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003200

  • CAS :

    423771-19-1

  • Molecular Formula : C25H26ClNO4

  • Molecular Weight : 439.94

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003210

4-(2-Phthalimidoethoxy)acetoacetic Acid Ethyl Ester

4-(2-Phthalimidoethoxy)acetoacetic Acid Ethyl Ester


  • Catalogue No.:PAI 01 003210

  • CAS :

    88150-75-8

  • Molecular Formula : C16H17NO6

  • Molecular Weight : 319.31

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003220

Ethyl (E)-2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate

Ethyl (E)-2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate


  • Catalogue No.:PAI 01 003220

  • CAS :

    NA

  • Molecular Formula : C23H20ClNO6

  • Molecular Weight : 441.86

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003230

2-Azidoethanol

2-Azidoethanol


  • Catalogue No.:PAI 01 003230

  • CAS :

    1517-05-1

  • Molecular Formula : C2H5N3O

  • Molecular Weight : 87.08

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003240

Ethyl (2-Azidoethoxy)acetoacetate

Ethyl (2-Azidoethoxy)acetoacetate


  • Catalogue No.:PAI 01 003240

  • CAS :

    88150-45-2

  • Molecular Formula : C8H13N3O4

  • Molecular Weight : 215.21

Drug Reference Standards & Impurity Synthesis in India
PA 01 49620

Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5-carboxylate

Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5-carboxylate


  • Catalogue No.:PA 01 49620

  • CAS :

    1621516-91-3

  • Molecular Formula : C18H20ClNO3

  • Molecular Weight : 333.81

Drug Reference Standards & Impurity Synthesis in India
PA 01 50580

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate


  • Catalogue No.:PA 01 50580

  • CAS :

    496024-43-2

  • Molecular Formula : C20H22ClNO5

  • Molecular Weight : 391.85

Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 01 11

S(-)Amlodipine Besylate (IPRS/01/11)-from IPC

S(-)Amlodipine Besylate (IPRS/01/11)-from IPC


  • Catalogue No.:PA IPIPRS 01 11

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 66 14

Amlodipine Besylate (IPRS/66/14)-from IPC

Amlodipine Besylate (IPRS/66/14)-from IPC


  • Catalogue No.:PA IPIPRS 66 14

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003250

2-Hydroxyethyl Benzenesulfonate


  • Catalogue No.:PAI 01 003250

  • CAS :

    249285-50-5

  • Molecular Formula : C8H10O4S

  • Molecular Weight : 202.22

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003260

2-Hydroxyethyl 4-methylbenzenesulfonate


  • Catalogue No.:PAI 01 003260

  • CAS :

    42772-85-0

  • Molecular Formula : C9H12O4S

  • Molecular Weight : 216.25

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003270

3-Ethyl 5-methyl 2-(chloromethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 2-(chloromethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003270

  • CAS :

    107812-86-2

  • Molecular Formula : C18H19Cl2NO4

  • Molecular Weight : 384.25

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003280

2-Bromoethanol


  • Catalogue No.:PAI 01 003280

  • CAS :

    540-51-2

  • Molecular Formula : C2H5BrO

  • Molecular Weight : 124.97

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003290

Ethyl (Z)-4-chloro-2-(2-chlorobenzylidene)-3-oxobutanoate


  • Catalogue No.:PAI 01 003290

  • CAS :

    NA

  • Molecular Formula : C13H12Cl2O3

  • Molecular Weight : 287.14

Drug Reference Standards & Impurity Synthesis in India
PAI 01 003300

3-Ethyl 5-methyl 2-((2-bromoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 2-((2-bromoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PAI 01 003300

  • CAS :

    2889481-02-9

  • Molecular Formula : C20H23BrClNO5

  • Molecular Weight : 472.76

Drug Reference Standards & Impurity Synthesis in India
PA 01 49630

Diethyl 4-(2-chlorophenyl)-2-((2-(2-((2-((4-(2-chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)carbamoyl)benzamido)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

Diethyl 4-(2-chlorophenyl)-2-((2-(2-((2-((4-(2-chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)carbamoyl)benzamido)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 49630

  • CAS :

    NA

  • Molecular Formula : C49H54Cl2N4O12

  • Molecular Weight : 961.89

Drug Reference Standards & Impurity Synthesis in India
PA STI 088304

(±)-Amlodipine-d4 Maleate (2-chlorophenyl-d4)

(±)-Amlodipine-d4 Maleate (2-chlorophenyl-d4)


  • Catalogue No.:PA STI 088304

  • CAS :

    2714486-25-4

  • Molecular Formula : C24H25D4ClN2O9

  • Molecular Weight : 528.98

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491000

Deschloro Amlodipine

Deschloro Amlodipine


  • Catalogue No.:PA 01 0491000

  • CAS :

    88150-52-1

  • Molecular Formula : C20H26N2O5

  • Molecular Weight : 374.44

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491002

2-[(Carboxymethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-Pyridinedicarboxylic acid 3-ethyl ester

2-[(Carboxymethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-Pyridinedicarboxylic acid 3-ethyl ester


  • Catalogue No.:PA 01 0491002

  • CAS :

    114018-75-6

  • Molecular Formula : C19H18ClNO7

  • Molecular Weight : 407.8

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491003

Amlodipine Di-Phthalimide Impurity

4-(2-Chlorophenyl)-6-[[2-(1,3-dihydro-1,3-dioxo-2h-isoindol-2-yl)ethoxy]methyl]-5-[4-(1,3-dihydro-1,3-dioxo-2h-isoindol-2-yl)-1-oxobutyl]-1,4-dihydro-2-methyl-3-pyridinecarboxylic acid methyl ester


  • Catalogue No.:PA 01 0491003

  • CAS :

    223734-98-3

  • Molecular Formula : C37H32ClN3O8

  • Molecular Weight : 682.13

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491004

Amlodipine Maleate Adduct

4-(2-Chlorophenyl)-2-[[2-[(1,2-dicarboxyethyl)amino]ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-Pyridinedicarboxylic acid 3-ethyl 5-methyl ester


  • Catalogue No.:PA 01 0491004

  • CAS :

    400602-35-9

  • Molecular Formula : C24H29ClN2O9

  • Molecular Weight : 524.95

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501000

2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester

2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester


  • Catalogue No.:PA 01 0501000

  • CAS :

    400024-08-0

  • Molecular Formula : C23H20ClNO6

  • Molecular Weight : 441.86

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491005

Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0491005

  • CAS :

    70677-78-0

  • Molecular Formula : C17H19NO4

  • Molecular Weight : 301.34

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501001

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,8a-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,8a-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate


  • Catalogue No.:PA 01 0501001

  • CAS :

    949155-12-8

  • Molecular Formula : C20H22ClNO5

  • Molecular Weight : 391.85

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501002

9-Ethyl 7-methyl 8-(2-chlorophenyl)-6-methyl-3,4,8,9-tetrahydropyrido[2,1-c][1,4]oxazine-7,9-dicarboxylate

9-Ethyl 7-methyl 8-(2-chlorophenyl)-6-methyl-3,4,8,9-tetrahydropyrido[2,1-c][1,4]oxazine-7,9-dicarboxylate


  • Catalogue No.:PA 01 0501002

  • CAS :

    949155-13-9

  • Molecular Formula : C20H22ClNO5

  • Molecular Weight : 391.85

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501003

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate

5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate


  • Catalogue No.:PA 01 0501003

  • CAS :

    2802443-91-8

  • Molecular Formula : C20H20ClNO5

  • Molecular Weight : 389.83

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501004

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(ethoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(ethoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501004

  • CAS :

    2170104-02-4

  • Molecular Formula : C20H24ClNO5

  • Molecular Weight : 393.86

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501005

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501005

  • CAS :

    2170111-18-7

  • Molecular Formula : C19H23ClN2O5

  • Molecular Weight : 394.85

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501006

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501006

  • CAS :

    130161-00-1

  • Molecular Formula : C18H18ClNO4

  • Molecular Weight : 347.8

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501007

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-(morpholin-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-(morpholin-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501007

  • CAS :

    2387405-44-7

  • Molecular Formula : C21H25ClN2O5

  • Molecular Weight : 420.89

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491006

(S)-Amlodipine Di-p-toluoyl-D-tartrate

(S)-Amlodipine Di-p-toluoyl-D-tartrate


  • Catalogue No.:PA 01 0491006

  • CAS :

    1215226-53-1

  • Molecular Formula : C40H43ClN2O13

  • Molecular Weight : 795.24

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491007

O-Des[2-aminoethyl]-O-carboxymethyl dehydroamlodipine

O-Des[2-aminoethyl]-O-carboxymethyl dehydroamlodipine


  • Catalogue No.:PA 01 0491007

  • CAS :

    113994-45-9

  • Molecular Formula : C20H20ClNO7

  • Molecular Weight : 421.83

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491008

( N-(2-hydroxyethyl)-phthalamic acid )

( N-(2-hydroxyethyl)-phthalamic acid )


  • Catalogue No.:PA 01 0491008

  • CAS :

    58509-24-3

  • Molecular Formula : C10H11NO4

  • Molecular Weight : 209.2

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491010

3-Ethyl 5-methyl (S)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl (S)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0491010

  • CAS :

    NA

  • Molecular Formula : C28H28N2O7

  • Molecular Weight : 504.54

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501008

4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid 3-(2-cyanoethyl) 5-methyl ester 

4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid 3-(2-cyanoethyl) 5-methyl ester


  • Catalogue No.:PA 01 0501008

  • CAS :

    110962-94-2

  • Molecular Formula : C19H18Cl2N2O4

  • Molecular Weight : 409.26

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501009

Ethyl 2-((2-Chlorophenyl)(hydroxy)methyl)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate

Ethyl 2-((2-Chlorophenyl)(hydroxy)methyl)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate


  • Catalogue No.:PA 01 0501009

  • CAS :

    NA

  • Molecular Formula : C23H22ClNO7 

  • Molecular Weight : 459.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501010

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-(phenylsulfonamido)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-(phenylsulfonamido)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501010

  • CAS :

    2832589-38-3

  • Molecular Formula : C26H29ClN2O7S

  • Molecular Weight : 549.04

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501012

2-((2-((4-(2-Chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)amino)-4-methoxy-4-oxobutanoic acid

2-((2-((4-(2-Chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)amino)-4-methoxy-4-oxobutanoic acid


  • Catalogue No.:PA 01 0501012

  • CAS :

    NA

  • Molecular Formula : C25H31ClN2O9

  • Molecular Weight : 538.98

Drug Reference Standards & Impurity Synthesis in India
PA 01 0501013

Diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

Diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0501013

  • CAS :

    34148-67-9

  • Molecular Formula : C19H22ClNO4

  • Molecular Weight : 363.84

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491011

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(methoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(methoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate


  • Catalogue No.:PA 01 0491011

  • CAS :

    2170104-51-3

  • Molecular Formula : C19H22ClNO5

  • Molecular Weight : 379.84

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491012

Nitroso Amlodipine

Nitroso Amlodipine


  • Catalogue No.:PA 01 0491012

  • CAS :

    NA

  • Molecular Formula : C29H31ClN4O8

  • Molecular Weight : 599.04

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491013

Nitroso Phthaloyl Amlodipine

Nitroso Phthaloyl Amlodipine


  • Catalogue No.:PA 01 0491013

  • CAS :

    NA

  • Molecular Formula : C28H26ClN3O8

  • Molecular Weight : 567.98

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491014

Amlodipine Nitroso Impurity

Amlodipine Nitroso Impurity


  • Catalogue No.:PA 01 0491014

  • CAS :

    3048033-49-1

  • Molecular Formula : C20H24ClN3O6

  • Molecular Weight : 437.88

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491015

3-Desethyl-3-(2-phthalimidoethyl) Phthaloyl Amlodipine

3-Desethyl-3-(2-phthalimidoethyl) Phthaloyl Amlodipine


  • Catalogue No.:PA 01 0491015

  • CAS :

    2923811-72-5

  • Molecular Formula : C36H30ClN3O9

  • Molecular Weight : 684.1

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491016

Ethyl 4-(2-chlorophenyl)-6-methyl-2-(propoxymethyl)-1,4-dihydropyridine-3-carboxylate

Ethyl 4-(2-chlorophenyl)-6-methyl-2-(propoxymethyl)-1,4-dihydropyridine-3-carboxylate


  • Catalogue No.:PA 01 0491016

  • CAS :

    NA

  • Molecular Formula : C19H24ClNO3

  • Molecular Weight : 349.86

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491017

Methyl 6-((2-aminoethoxy)methyl)-5-(ethoxymethyl)-4-(4-hydroxyphenyl)-2-methylnicotinate Hydrochloride

Methyl 6-((2-aminoethoxy)methyl)-5-(ethoxymethyl)-4-(4-hydroxyphenyl)-2-methylnicotinate Hydrochloride


  • Catalogue No.:PA 01 0491017

  • CAS :

    NA

  • Molecular Formula : C20H27ClN2O5

  • Molecular Weight : 410.9

Drug Reference Standards & Impurity Synthesis in India
PA 01 0491018

Dehydro Amlodipine N-oxide

Dehydro Amlodipine N-oxide


  • Catalogue No.:PA 01 0491018

  • CAS :

    2418591-36-1

  • Molecular Formula : C20H23ClN2O6

  • Molecular Weight : 422.86

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