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.
1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(22-azido-15-oxo-3,6,9,12-tetraoxa-16-azadocos-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)
1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(22-azido-15-oxo-3,6,9,12-tetraoxa-16-azadocos-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)
Catalogue No.:PA 27 0030122
CAS :
1006592-62-6
Molecular Formula : C27H49N7O7S
Molecular Weight : 615.79
N,N'-(((oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl))bis(3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamide)
N,N'-(((oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl))bis(3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamide)
Catalogue No.:PA 27 0030124
CAS :
1008402-47-8
Molecular Formula : C22H30N4O9
Molecular Weight : 494.50
Propanoic acid, 3,3′-[[2-[[3-(1,1-dimethylethoxy)-3-oxopropoxy]methyl]-2-(hydroxymethyl)-1,3-propanediyl]bis(oxy)]bis-, 1,1′-bis(1,1-dimethylethyl)
Propanoic acid, 3,3′-[[2-[[3-(1,1-dimethylethoxy)-3-oxopropoxy]methyl]-2-(hydroxymethyl)-1,3-propanediyl]bis(oxy)]bis-, 1,1′-bis(1,1-dimethylethyl)
Catalogue No.:PA 27 0030130
CAS :
1027581-61-8
Molecular Formula : C26H48O10
Molecular Weight : 520.66
1H-Pyrrole-1-propanamide, 2,5-dihydro-2,5-dioxo-N-[2-[2-[3-oxo-3-[[4-[3-oxo-3-(2-oxo-1-azetidinyl)propyl]phenyl]amino]propoxy]ethoxy]ethyl]
1H-Pyrrole-1-propanamide, 2,5-dihydro-2,5-dioxo-N-[2-[2-[3-oxo-3-[[4-[3-oxo-3-(2-oxo-1-azetidinyl)propyl]phenyl]amino]propoxy]ethoxy]ethyl]
Catalogue No.:PA 27 0030138
CAS :
1037589-69-7
Molecular Formula : C26H32N4O8
Molecular Weight : 528.56
1H-Pyrrole-1-hexanoic acid, 2,5-dihydro-2,5-dioxo-, 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester
1H-Pyrrole-1-hexanoic acid, 2,5-dihydro-2,5-dioxo-, 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester
Catalogue No.:PA 27 0030206
CAS :
103848-61-9
Molecular Formula : C14H16N2O9S
Molecular Weight : 388.35
3,6,9,12,15,18,21,24,27,30,33-Undecaoxapentatriacontane-1,35-diol, 1-(4-methylbenzenesulfonate)
3,6,9,12,15,18,21,24,27,30,33-Undecaoxapentatriacontane-1,35-diol, 1-(4-methylbenzenesulfonate)
Catalogue No.:PA 27 0030144
CAS :
1050500-41-8
Molecular Formula : C31H56O15S
Molecular Weight : 700.83
L-Glutamine, N2-[4-[[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-N-[2-[2-(2-aminoethoxy)ethoxy]ethyl]
L-Glutamine, N2-[4-[[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-N-[2-[2-(2-aminoethoxy)ethoxy]ethyl]
Catalogue No.:PA 27 0030169
CAS :
1099829-15-8
Molecular Formula : C25H33N9O7
Molecular Weight : 571.60
4,7,10,13,16,19-Hexaoxa-22-azapentacosanoic acid, 25-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-, 2,5-dioxo-1-pyrrolidinyl ester
4,7,10,13,16,19-Hexaoxa-22-azapentacosanoic acid, 25-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-23-oxo-, 2,5-dioxo-1-pyrrolidinyl ester
Catalogue No.:PA 27 0030183
CAS :
1137109-21-7
Molecular Formula : C26H39N3O13
Molecular Weight : 601.61
1,2-Pyrrolidinedicarboxylic acid, 4-hydroxy-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,4R)
1,2-Pyrrolidinedicarboxylic acid, 4-hydroxy-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,4R)
Catalogue No.:PA 27 0030190
CAS :
114676-69-6
Molecular Formula : C11H19NO5
Molecular Weight : 245.28
3-Cyclohexene-1-acetic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester
3-Cyclohexene-1-acetic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester
Catalogue No.:PA 27 0030208
CAS :
1166829-70-4
Molecular Formula : C16H27BO4
Molecular Weight : 294.20
5,8,11,14,17,20,23,26,29-Nonaoxa-2-azadotriacontanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester
5,8,11,14,17,20,23,26,29-Nonaoxa-2-azadotriacontanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester
Catalogue No.:PA 27 0030219
CAS :
1191064-81-9
Molecular Formula : C36H53NO13
Molecular Weight : 707.81
