Peptides and its Impurities
Peptides are naturally occurring biological macromolecules formed by the linear arrangement of two or more amino acids linked together by peptide bonds. It can be used as biomarkers for disease detection and diagnosis. Reference standards of Peptides API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(3S,6S,9S,12S,15S)-19-Amino-3-(2-aminoacetamido)-6,9,12-tris(carboxymethyl)-15-(naphthalen-2-ylcarbamoyl)-4,7,10,13-tetraoxo-5,8,11,14-tetraazanonadecanoic Acid
(3S,6S,9S,12S,15S)-19-Amino-3-(2-aminoacetamido)-6,9,12-tris(carboxymethyl)-15-(naphthalen-2-ylcarbamoyl)-4,7,10,13-tetraoxo-5,8,11,14-tetraazanonadecanoic Acid
Catalogue No.:PA PEP 004171
CAS :
70023-02-8
Molecular Formula : C34H44N8O14
Molecular Weight : 788.77
tert-Butyl ((S)-1-((S)-2-(((S)-5-guanidino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopentan-2-yl)carbamoyl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate Hydrochloride
tert-Butyl ((S)-1-((S)-2-(((S)-5-guanidino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopentan-2-yl)carbamoyl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate Hydrochloride
Catalogue No.:PA PEP 004173
CAS :
70375-24-5
Molecular Formula : C31H46ClN7O7
Molecular Weight : 664.2
O-Phosphono-N-tetradecanoylglycyl-L-lysyl-L-glutamyl-L-alanyl-L-prolyl-L-prolyl-L-alanyl-L-prolyl-L-prolyl-L-glutaminyl-L-seryl-L-proline
O-Phosphono-N-tetradecanoylglycyl-L-lysyl-L-glutamyl-L-alanyl-L-prolyl-L-prolyl-L-alanyl-L-prolyl-L-prolyl-L-glutaminyl-L-seryl-L-proline
Catalogue No.:PA PEP 004176
CAS :
706785-93-5
Molecular Formula : C66H109N14O21P
Molecular Weight : 1465.65
(S)-2-Amino-N-((6S,9S,12S,15S,18S)-1,22-diamino-9-(3-guanidinopropyl)-15-(hydroxymethyl)-1-imino-18-isobutyl-12-methyl-7,10,13,16,19,22-hexaoxo-2,8,11,14,17,20-hexaazadocosan-6-yl)-4-methylpentanamide
(S)-2-Amino-N-((6S,9S,12S,15S,18S)-1,22-diamino-9-(3-guanidinopropyl)-15-(hydroxymethyl)-1-imino-18-isobutyl-12-methyl-7,10,13,16,19,22-hexaoxo-2,8,11,14,17,20-hexaazadocosan-6-yl)-4-methylpentanamide
Catalogue No.:PA PEP 004177
CAS :
70691-36-0
Molecular Formula : C32H62N14O8
Molecular Weight : 770.94
N-L-Tryptophyl-L-alanylglycylglycyl-L-aspartyl-L-alanyl-O-phosphono-L-serylglycyl-L-glutamic Acid
N-L-Tryptophyl-L-alanylglycylglycyl-L-aspartyl-L-alanyl-O-phosphono-L-serylglycyl-L-glutamic Acid
Catalogue No.:PA PEP 004179
CAS :
70754-23-3
Molecular Formula : C35H49N10O18P
Molecular Weight : 928.8
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-3-methyl-1-((4-nitrophenyl)amino)-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-3-methyl-1-((4-nitrophenyl)amino)-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Catalogue No.:PA PEP 004182
CAS :
70967-90-7
Molecular Formula : C27H38N6O9
Molecular Weight : 590.63
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-4-(methylthio)-1-((4-nitrophenyl)amino)-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-4-(methylthio)-1-((4-nitrophenyl)amino)-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Catalogue No.:PA PEP 004183
CAS :
70967-91-8
Molecular Formula : C27H38N6O9S
Molecular Weight : 622.69
(S)-1-(D-Phenylalanyl)-N-((S)-1-chloro-6-guanidino-2-oxohexan-3-yl)pyrrolidine-2-carboxamide
(S)-1-(D-Phenylalanyl)-N-((S)-1-chloro-6-guanidino-2-oxohexan-3-yl)pyrrolidine-2-carboxamide
Catalogue No.:PA PEP 004185
CAS :
71142-71-7
Molecular Formula : C21H31ClN6O3
Molecular Weight : 450.97
L-Tryptophyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-valyl-L-isoleucyl-L-phenylalanyl-L-tyrosyl-L-phenylalanyl-L-phenylalanyl-L-arginine
L-Tryptophyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-valyl-L-isoleucyl-L-phenylalanyl-L-tyrosyl-L-phenylalanyl-L-phenylalanyl-L-arginine
Catalogue No.:PA PEP 004188
CAS :
716361-65-8
Molecular Formula : C93H118N16O14
Molecular Weight : 1684.07
L-Phenylalanyl-L-lysyl-L-arginyl-L-isoleucyl-L-valyl-L-glutaminyl-L-arginyl-L-isoleucyl-L-lysyl-L-aspartyl-L-phenylalanyl-L-leucyl-L-arginine
L-Phenylalanyl-L-lysyl-L-arginyl-L-isoleucyl-L-valyl-L-glutaminyl-L-arginyl-L-isoleucyl-L-lysyl-L-aspartyl-L-phenylalanyl-L-leucyl-L-arginine
Catalogue No.:PA PEP 004191
CAS :
717919-68-1
Molecular Formula : C80H135N25O17
Molecular Weight : 1719.12
(S)-2-((S)-1-(L-Arginyl-L-prolyl-L-lysyl)pyrrolidine-2-carboxamido)-N1-((S)-5-amino-1-(((S)-1-(((S)-1-((2-(((S)-1-(((S)-1-amino-1-oxohexan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-3-(4-hydroxyphenyl)-1-oxopropan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1,5-dioxopentan-2-yl)pentanediamide
(S)-2-((S)-1-(L-Arginyl-L-prolyl-L-lysyl)pyrrolidine-2-carboxamido)-N1-((S)-5-amino-1-(((S)-1-(((S)-1-((2-(((S)-1-(((S)-1-amino-1-oxohexan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-3-(4-hydroxyphenyl)-1-oxopropan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1,5-dioxopentan-2-yl)pentanediamide
Catalogue No.:PA PEP 004196
CAS :
71890-48-7
Molecular Formula : C64H100N18O14
Molecular Weight : 1345.62
((S)-2-((S)-2-((S)-2-((S)-2-Formamidohexanamido)-4-methylpentanamido)-3-phenylpropanamido)hexanoyl)-L-tyrosyl-L-lysine
((S)-2-((S)-2-((S)-2-((S)-2-Formamidohexanamido)-4-methylpentanamido)-3-phenylpropanamido)hexanoyl)-L-tyrosyl-L-lysine
Catalogue No.:PA PEP 004197
CAS :
71901-21-8
Molecular Formula : C43H65N7O9
Molecular Weight : 824.03
4-(((S)-1-(((S)-1-(((S)-1-((4-Methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
4-(((S)-1-(((S)-1-(((S)-1-((4-Methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 004200
CAS :
71973-79-0
Molecular Formula : C29H32N4O8
Molecular Weight : 564.6
(S)-N-((S)-1-((2-(((S)-1-(((S)-1-(((S)-1-(((S)-1-Amino-5-guanidino-1-oxopentan-2-yl)amino)-1-oxopropan-2-yl)amino)-3-((2,4-dinitrophenyl)amino)-1-oxopropan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-4-methyl-1-oxopentan-2-yl)-1-((2-(7-methoxy-2-oxo-2H-chromen-4-yl)acetyl)-L-lysyl)pyrrolidine-2-carboxamide
(S)-N-((S)-1-((2-(((S)-1-(((S)-1-(((S)-1-(((S)-1-Amino-5-guanidino-1-oxopentan-2-yl)amino)-1-oxopropan-2-yl)amino)-3-((2,4-dinitrophenyl)amino)-1-oxopropan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-4-methyl-1-oxopentan-2-yl)-1-((2-(7-methoxy-2-oxo-2H-chromen-4-yl)acetyl)-L-lysyl)pyrrolidine-2-carboxamide
Catalogue No.:PA PEP 004201
CAS :
720710-69-0
Molecular Formula : C55H80N16O16
Molecular Weight : 1221.34
(R)-2,6-Diamino-N-((4R,7R,10R,13R,16R,19R,22R,25R,28R,31R,34R,37R,40R)-44-amino-10,19,22,31-tetrakis(4-aminobutyl)-40-carbamoyl-13,25,34-triisobutyl-2,7,16,28,37-pentamethyl-5,8,11,14,17,20,23,26,29,32,35,38-dodecaoxo-6,9,12,15,18,21,24,27,30,33,36,39-dodecaazatetratetracontan-4-yl)hexanamide
(R)-2,6-Diamino-N-((4R,7R,10R,13R,16R,19R,22R,25R,28R,31R,34R,37R,40R)-44-amino-10,19,22,31-tetrakis(4-aminobutyl)-40-carbamoyl-13,25,34-triisobutyl-2,7,16,28,37-pentamethyl-5,8,11,14,17,20,23,26,29,32,35,38-dodecaoxo-6,9,12,15,18,21,24,27,30,33,36,39-dodecaazatetratetracontan-4-yl)hexanamide
Catalogue No.:PA PEP 004204
CAS :
721397-24-6
Molecular Formula : C72H139N21O14
Molecular Weight : 1523.04
L-α-Aspartyl-L-methionyl-L-arginyl-L-prolyl-L-α-glutamyl-L-isoleucyl-L-tryptophyl-L-isoleucyl-L-alanyl-L-glutaminyl-L-α-glutamyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucylglycyl-L-α-aspartyl-L-α-glutamyl-L-phenylalanyl-L-asparaginyl-L-alanyl-L-tyrosyl-L-tyrosyl-L-alanyl-L-arginyl-L-arginine
L-α-Aspartyl-L-methionyl-L-arginyl-L-prolyl-L-α-glutamyl-L-isoleucyl-L-tryptophyl-L-isoleucyl-L-alanyl-L-glutaminyl-L-α-glutamyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucylglycyl-L-α-aspartyl-L-α-glutamyl-L-phenylalanyl-L-asparaginyl-L-alanyl-L-tyrosyl-L-tyrosyl-L-alanyl-L-arginyl-L-arginine
Catalogue No.:PA PEP 004206
CAS :
721885-31-0
Molecular Formula : C145H222N44O41S
Molecular Weight : 3269.7
L-Arginyl-L-arginyl-L-arginyl-L-cysteinyl-L-tryptophyl-L-tryptophylglycyl-L-tyrosyl-L-tyrosyl-L-tyrosyl-L-arginyl-L-arginyl-L-arginyl-L-cysteinyl-L-tryptophyl-L-tryptophylglycyl-L-tyrosyl-L-tyrosyl-L-tyrosine
L-Arginyl-L-arginyl-L-arginyl-L-cysteinyl-L-tryptophyl-L-tryptophylglycyl-L-tyrosyl-L-tyrosyl-L-tyrosyl-L-arginyl-L-arginyl-L-arginyl-L-cysteinyl-L-tryptophyl-L-tryptophylglycyl-L-tyrosyl-L-tyrosyl-L-tyrosine
Catalogue No.:PA PEP 004207
CAS :
721963-21-9
Molecular Formula : C144H184N42O27S2
Molecular Weight : 2999.44
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-1-((4-methoxynaphthalen-2-yl)amino)-3-methyl-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Methyl 4-(((S)-1-(((S)-1-((S)-2-(((S)-1-((4-methoxynaphthalen-2-yl)amino)-3-methyl-1-oxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoate
Catalogue No.:PA PEP 004208
CAS :
72252-91-6
Molecular Formula : C32H43N5O8
Molecular Weight : 625.72
(3S,6S,9S,12S,15S,21S,24S,27S)-15-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-27-amino-3-(((S)-1-(((S)-1-amino-1-oxo-3-phenylpropan-2-yl)amino)-5-guanidino-1-oxopentan-2-yl)carbamoyl)-12-benzyl-9-(3-guanidinopropyl)-28-(4-hydroxyphenyl)-24-isopropyl-21-(2-(methylthio)ethyl)-5,8,11,14,17,20,23,26-octaoxo-4,7,10,13,16,19,22,25-octaazaoctacosanoic Acid
(3S,6S,9S,12S,15S,21S,24S,27S)-15-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-27-amino-3-(((S)-1-(((S)-1-amino-1-oxo-3-phenylpropan-2-yl)amino)-5-guanidino-1-oxopentan-2-yl)carbamoyl)-12-benzyl-9-(3-guanidinopropyl)-28-(4-hydroxyphenyl)-24-isopropyl-21-(2-(methylthio)ethyl)-5,8,11,14,17,20,23,26-octaoxo-4,7,10,13,16,19,22,25-octaazaoctacosanoic Acid
Catalogue No.:PA PEP 004214
CAS :
72629-65-3
Molecular Formula : C72H97N21O14S
Molecular Weight : 1512.76
4-(((S)-1-(((S)-1-((S)-2-((2-((4-Nitrophenyl)amino)-2-oxoethyl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
4-(((S)-1-(((S)-1-((S)-2-((2-((4-Nitrophenyl)amino)-2-oxoethyl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 004219
CAS :
72682-68-9
Molecular Formula : C23H30N6O9
Molecular Weight : 534.53
4-(((S)-1-(((S)-1-((S)-2-(((S)-1-((4-Nitrophenyl)amino)-1-oxopropan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
4-(((S)-1-(((S)-1-((S)-2-(((S)-1-((4-Nitrophenyl)amino)-1-oxopropan-2-yl)carbamoyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 004220
CAS :
72682-69-0
Molecular Formula : C24H32N6O9
Molecular Weight : 548.55
4-((2-((S)-2-(((S)-4-Methyl-1-((2-((S)-2-((4-methyl-2-oxo-2H-chromen-7-yl)carbamoyl)pyrrolidin-1-yl)-2-oxoethyl)amino)-1-oxopentan-2-yl)carbamoyl)pyrrolidin-1-yl)-2-oxoethyl)amino)-4-oxobutanoic Acid
4-((2-((S)-2-(((S)-4-Methyl-1-((2-((S)-2-((4-methyl-2-oxo-2H-chromen-7-yl)carbamoyl)pyrrolidin-1-yl)-2-oxoethyl)amino)-1-oxopentan-2-yl)carbamoyl)pyrrolidin-1-yl)-2-oxoethyl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 004221
CAS :
72698-36-3
Molecular Formula : C34H44N6O10
Molecular Weight : 696.76
(2S,5S,8S,11S,14S,17S)-2-((1H-Imidazol-4-yl)methyl)-17-amino-8-benzyl-11-(2-carboxyethyl)-5-(3-guanidinopropyl)-14-isopropyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazanonadecanedioic Acid
(2S,5S,8S,11S,14S,17S)-2-((1H-Imidazol-4-yl)methyl)-17-amino-8-benzyl-11-(2-carboxyethyl)-5-(3-guanidinopropyl)-14-isopropyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazanonadecanedioic Acid
Catalogue No.:PA PEP 004222
CAS :
727727-66-4
Molecular Formula : C35H51N11O11
Molecular Weight : 801.86
5-((2-((S)-2-((S)-1-((4-((4-(Dimethylamino)phenyl)diazenyl)benzoyl)-L-threonyl-L-prolyl-L-leucyl-L-lysyl-L-seryl-L-prolyl-L-prolyl-L-prolyl-L-seryl)pyrrolidine-2-carboxamido)-5-guanidinopentanamido)ethyl)amino)naphthalene-1-sulfonic Acid
5-((2-((S)-2-((S)-1-((4-((4-(Dimethylamino)phenyl)diazenyl)benzoyl)-L-threonyl-L-prolyl-L-leucyl-L-lysyl-L-seryl-L-prolyl-L-prolyl-L-prolyl-L-seryl)pyrrolidine-2-carboxamido)-5-guanidinopentanamido)ethyl)amino)naphthalene-1-sulfonic Acid
Catalogue No.:PA PEP 004223
CAS :
728005-83-2
Molecular Formula : C80H114N20O18S
Molecular Weight : 1675.97
L-Tyrosylglycylglycyl-L-phenylalanyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucyl-L-arginyl-L-prolyl-L-lysyl-L-leucyl-L-lysine
L-Tyrosylglycylglycyl-L-phenylalanyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucyl-L-arginyl-L-prolyl-L-lysyl-L-leucyl-L-lysine
Catalogue No.:PA PEP 004225
CAS :
72957-38-1
Molecular Formula : C75H126N24O15
Molecular Weight : 1603.99
N-((4S,7S,10S,16S,19S)-1-Amino-16-((S)-sec-butyl)-4-carbamoyl-10-(3-guanidinopropyl)-7-isobutyl-21-methyl-6,9,12,15,18-pentaoxo-5,8,11,14,17-pentaazadocosan-19-yl)furan-2-carboxamide
N-((4S,7S,10S,16S,19S)-1-Amino-16-((S)-sec-butyl)-4-carbamoyl-10-(3-guanidinopropyl)-7-isobutyl-21-methyl-6,9,12,15,18-pentaoxo-5,8,11,14,17-pentaazadocosan-19-yl)furan-2-carboxamide
Catalogue No.:PA PEP 004226
CAS :
729589-58-6
Molecular Formula : C36H63N11O8
Molecular Weight : 777.97
4-(((S)-1-(((S)-1-(((S)-6-Amino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxohexan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
4-(((S)-1-(((S)-1-(((S)-6-Amino-1-((4-methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxohexan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxopropan-2-yl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 004230
CAS :
73207-91-7
Molecular Formula : C32H39N5O8
Molecular Weight : 621.69
