atosiban and its Impurities
Atosiban is used intravenously to halt premature labor.It is an inhibitor of the hormones oxytocin and vasopressin. Reference standards of Atosiban API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(S)-N-((S)-5-Amino-1-((2-((hydroxymethyl)amino)-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide compound with ethane (1:1)
(S)-N-((S)-5-Amino-1-((2-((hydroxymethyl)amino)-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide compound with ethane (1:1)
Catalogue No.:PA 28 37520
CAS :
NA
Molecular Formula : C46H75N11O13S2
Molecular Weight : 1054.28
(S)-N-((S)-5-Amino-1-((2-amino-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,13S,16R)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-7-(2-((hydroxymethyl)amino)-2-oxoethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide
(S)-N-((S)-5-Amino-1-((2-amino-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,13S,16R)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-7-(2-((hydroxymethyl)amino)-2-oxoethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide
Catalogue No.:PA 28 37530
CAS :
NA
Molecular Formula : C44H69N11O13S2
Molecular Weight : 1024.21
(S)-1-((4R,7S,10S,13S,16R)-7-(2-Amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-N-((S)-2-oxopiperidin-3-yl)pyrrolidine-2-carboxamide
(S)-1-((4R,7S,10S,13S,16R)-7-(2-Amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-N-((S)-2-oxopiperidin-3-yl)pyrrolidine-2-carboxamide
Catalogue No.:PA 28 0371000
CAS :
NA
Molecular Formula : C41H61N9O11S2
Molecular Weight : 920.11
(4R,7S,10S,13R,16S,19R)-13-((1H-indol-3-yl)Methyl)-10-(4-aminobutyl)-N-((2R,3R)-1,3-dihydroxybutan-2-yl)-19-((R)-2-((E)-6-hydrazono-1,6-dihydropyridine-3-carboxamido)-3-phenylpropanamido)-16-(4-hydroxybenzyl)-7-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carboxamide
(4R,7S,10S,13R,16S,19R)-13-((1H-indol-3-yl)Methyl)-10-(4-aminobutyl)-N-((2R,3R)-1,3-dihydroxybutan-2-yl)-19-((R)-2-((E)-6-hydrazono-1,6-dihydropyridine-3-carboxamido)-3-phenylpropanamido)-16-(4-hydroxybenzyl)-7-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carboxamide
Catalogue No.:PA 28 0371001
CAS :
257943-19-4
Molecular Formula : C55H71N13O12S2
Molecular Weight : 1170.37
(2S)-N1-((2R)-1-((2S)-2-((5-Amino-1-((2-Amino-2-oxoethyl)amino)-1-Oxopentan-2-yl)Carbamoyl)pyrrolidin-1-yl)-3-Mercapto-1-oxopropan-2-yl)-2-((2S,3R)-2-((2S,3S)-2-((R)-3-(4-Ethoxyphenyl)-2-(3-Mercaptopropanamido)Propanamido)-3-Methylpentanamido)-3-Hydroxybutanamido)Succinamide
(2S)-N1-((2R)-1-((2S)-2-((5-Amino-1-((2-Amino-2-oxoethyl)amino)-1-Oxopentan-2-yl)Carbamoyl)pyrrolidin-1-yl)-3-Mercapto-1-oxopropan-2-yl)-2-((2S,3R)-2-((2S,3S)-2-((R)-3-(4-Ethoxyphenyl)-2-(3-Mercaptopropanamido)Propanamido)-3-Methylpentanamido)-3-Hydroxybutanamido)Succinamide
Catalogue No.:PA 28 0371002
CAS :
960411-86-3
Molecular Formula : C43H69N11O12S2
Molecular Weight : 996.21
((S)-5-Amino-2-((S)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamido)pentanoyl)glycine compound with 2,2,2-Trifluoroacetic Acid (1:1)
((S)-5-Amino-2-((S)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamido)pentanoyl)glycine compound with 2,2,2-Trifluoroacetic Acid (1:1)
Catalogue No.:PA 28 0371005
CAS :
NA
Molecular Formula : C45H67F3N10O15S2
Molecular Weight : 1109.2
