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.
L-Tyrosylglycyl-L-arginyl-L-lysyl-L-lysyl-L-arginyl-L-arginyl-L-glutaminyl-L-arginyl-L-arginyl-L-arginylglycyl-L-lysyl-L-threonyl-L-leucyl-L-arginyl-L-valyl-L-alanyl-L-lysyl-L-alanyl-L-isoleucyl-L-tyrosyl-L-lysyl-L-arginyl-L-tyrosyl-L-isoleucyl-L-glutamic Acid
L-Tyrosylglycyl-L-arginyl-L-lysyl-L-lysyl-L-arginyl-L-arginyl-L-glutaminyl-L-arginyl-L-arginyl-L-arginylglycyl-L-lysyl-L-threonyl-L-leucyl-L-arginyl-L-valyl-L-alanyl-L-lysyl-L-alanyl-L-isoleucyl-L-tyrosyl-L-lysyl-L-arginyl-L-tyrosyl-L-isoleucyl-L-glutamic Acid
Catalogue No.:PA PEP 001582
CAS :
1319804-91-5
Molecular Formula : C152H265N57O35
Molecular Weight : 3451.16
L-Asparagine, L-threonyl-L-methionyl-L-arginyl-L-lysyl-L-prolyl-L-arginyl-L-cysteinylglycyl-L-asparaginyl-L-prolyl-L-α-aspartyl-L-valyl-L-alanyl
L-Asparagine, L-threonyl-L-methionyl-L-arginyl-L-lysyl-L-prolyl-L-arginyl-L-cysteinylglycyl-L-asparaginyl-L-prolyl-L-α-aspartyl-L-valyl-L-alanyl
Catalogue No.:PA PEP 001586
CAS :
132116-39-3
Molecular Formula : C62H107N23O20S2
Molecular Weight : 1558.8
L-Asparagine, L-threonyl-L-methionyl-L-arginyl-L-lysyl-L-prolyl-L-arginyl-L-serylglycyl-L-asparaginyl-L-prolyl-L-a-aspartyl-L-valyl-L-alanyl
L-Asparagine, L-threonyl-L-methionyl-L-arginyl-L-lysyl-L-prolyl-L-arginyl-L-serylglycyl-L-asparaginyl-L-prolyl-L-a-aspartyl-L-valyl-L-alanyl
Catalogue No.:PA PEP 001587
CAS :
132116-62-2
Molecular Formula : C62H107N23O21S
Molecular Weight : 1542.74
2,2'-(7-(1-Carboxy-4-((4-((2S,5S,11S,14R)-11-(carboxymethyl)-5-(3-guanidinopropyl)-14-(4-hydroxybenzyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecan-2-yl)butyl)amino)-4-oxobutyl)-1,4,7-triazonane-1,4-diyl)diacetic Acid
2,2'-(7-(1-Carboxy-4-((4-((2S,5S,11S,14R)-11-(carboxymethyl)-5-(3-guanidinopropyl)-14-(4-hydroxybenzyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecan-2-yl)butyl)amino)-4-oxobutyl)-1,4,7-triazonane-1,4-diyl)diacetic Acid
Catalogue No.:PA PEP 001588
CAS :
1321510-77-3
Molecular Formula : C42H64N12O15
Molecular Weight : 977.04
L-a-Aspartyl-L-valyl-L-threonyl-L-alanyl-L-prolyl-L-leucyl-L-valyl-L-a-aspartyl-L-a-glutamylglycyl-L-alanyl-L-prolylglycyl-L-lysyl-L-glutaminyl-L-alanyl-L-alanyl-L-alanyl-L-glutaminyl-L-prolyl-L-histidyl-L-threonyl-L-a-glutamyl-L-isoleucyl-L-prolyl-L-a-glutamylglycyl-L-threonyl-L-threonine
L-a-Aspartyl-L-valyl-L-threonyl-L-alanyl-L-prolyl-L-leucyl-L-valyl-L-a-aspartyl-L-a-glutamylglycyl-L-alanyl-L-prolylglycyl-L-lysyl-L-glutaminyl-L-alanyl-L-alanyl-L-alanyl-L-glutaminyl-L-prolyl-L-histidyl-L-threonyl-L-a-glutamyl-L-isoleucyl-L-prolyl-L-a-glutamylglycyl-L-threonyl-L-threonine
Catalogue No.:PA PEP 001590
CAS :
1322695-34-0
Molecular Formula : C124H198N34O46
Molecular Weight : 2901.14
N-(5-Amino-1-oxopentyl)-L-phenylalanyl-L-phenylalanyl-L-prolyl-N-methyl-L-leucyl-L-methioninamide
N-(5-Amino-1-oxopentyl)-L-phenylalanyl-L-phenylalanyl-L-prolyl-N-methyl-L-leucyl-L-methioninamide
Catalogue No.:PA PEP 001600
CAS :
133156-06-6
Molecular Formula : C40H59N7O6S
Molecular Weight : 766.02
4-(((2S,3S)-1-(((2S,3S)-1-(((S)-3-(1H-indol-3-yl)-1-((4-Methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopropan-2-yl)amino)-3-methyl-1-oxopentan-2-yl)amino)-3-methyl-1-oxopentan-2-yl)amino)-4-oxobutanoic Acid
4-(((2S,3S)-1-(((2S,3S)-1-(((S)-3-(1H-indol-3-yl)-1-((4-Methyl-2-oxo-2H-chromen-7-yl)amino)-1-oxopropan-2-yl)amino)-3-methyl-1-oxopentan-2-yl)amino)-3-methyl-1-oxopentan-2-yl)amino)-4-oxobutanoic Acid
Catalogue No.:PA PEP 001610
CAS :
133525-12-9
Molecular Formula : C37H45N5O8
Molecular Weight : 687.79
Palmitoyl-L-methionylglycyl-L-tyrosyl-L-glutaminyl-L-lysyl-L-lysyl-L-leucyl-L-arginyl-L-seryl-L-methionyl-L-threonyl-L-aspartyl-L-lysyl-L-tyrosyl-L-arginyl-L-leucine
Palmitoyl-L-methionylglycyl-L-tyrosyl-L-glutaminyl-L-lysyl-L-lysyl-L-leucyl-L-arginyl-L-seryl-L-methionyl-L-threonyl-L-aspartyl-L-lysyl-L-tyrosyl-L-arginyl-L-leucine
Catalogue No.:PA PEP 001615
CAS :
1337878-62-2
Molecular Formula : C104H178N26O25S2
Molecular Weight : 2256.85
L-Seryl-L-aspartyl-L-lysyl-L-prolyl-L-aspartyl-L-methionyl-L-alanyl-L-glutamyl-L-isoleucyl-L-glutamyl-L-lysyl-L-phenylalanyl-L-aspartyl-L-lysyl-L-seryl-L-lysine
L-Seryl-L-aspartyl-L-lysyl-L-prolyl-L-aspartyl-L-methionyl-L-alanyl-L-glutamyl-L-isoleucyl-L-glutamyl-L-lysyl-L-phenylalanyl-L-aspartyl-L-lysyl-L-seryl-L-lysine
Catalogue No.:PA PEP 001617
CAS :
1339864-27-5
Molecular Formula : C80H130N20O29S
Molecular Weight : 1868.09
(S)-1-((3R,6S,9S,12S,15R,18S,21S)-3-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-15-((1-benzyl-1H-imidazol-4-yl)methyl)-21-(3-guanidinopropyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-18-isobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide
(S)-1-((3R,6S,9S,12S,15R,18S,21S)-3-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-15-((1-benzyl-1H-imidazol-4-yl)methyl)-21-(3-guanidinopropyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-18-isobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide
Catalogue No.:PA PEP 001618
CAS :
134009-10-2
Molecular Formula : C66H86N18O12
Molecular Weight : 1323.53
(6S,12S,15S)-1-Amino-6-((S)-2-amino-3-(4-hydroxyphenyl)propanamido)-12-(carboxymethyl)-15-(hydroxymethyl)-1-imino-7,10,13-trioxo-2,8,11,14-tetraazahexadecan-16-oic Acid
(6S,12S,15S)-1-Amino-6-((S)-2-amino-3-(4-hydroxyphenyl)propanamido)-12-(carboxymethyl)-15-(hydroxymethyl)-1-imino-7,10,13-trioxo-2,8,11,14-tetraazahexadecan-16-oic Acid
Catalogue No.:PA PEP 001622
CAS :
134282-68-1
Molecular Formula : C24H36N8O10
Molecular Weight : 596.6
Glycyl-L-a-aspartyl-L-phenylalanyl-L-arginyl-L-tyrosyl-L-seryl-L-a-aspartylglycyl-L-threonyl-L-prolyl-L-valyl-L-asparaginyl-L-tyrosyl-L-threonyl-L-asparaginyl-L-tryptophyl-L-tyrosyl-L-arginylglycyl-L-glutamic Acid
Glycyl-L-a-aspartyl-L-phenylalanyl-L-arginyl-L-tyrosyl-L-seryl-L-a-aspartylglycyl-L-threonyl-L-prolyl-L-valyl-L-asparaginyl-L-tyrosyl-L-threonyl-L-asparaginyl-L-tryptophyl-L-tyrosyl-L-arginylglycyl-L-glutamic Acid
Catalogue No.:PA PEP 001626
CAS :
1343908-95-1
Molecular Formula : C107H145N29O35
Molecular Weight : 2397.51
L-Histidylglycyl-L-phenylalanyl-L-glutaminyl-L-tryptophyl-L-prolylglycyl-L-seryl-L-tryptophyl-L-threonyl-L-tryptophyl-L-glutamyl-L-asparaginylglycyl-L-lysyl-L-tryptophyl-L-threonyl-L-tryptophyl-L-lysylglycyl-L-alanyl-L-tyrosyl-L-glutaminyl-L-phenylalanyl-L-leucyl-L-lysine
L-Histidylglycyl-L-phenylalanyl-L-glutaminyl-L-tryptophyl-L-prolylglycyl-L-seryl-L-tryptophyl-L-threonyl-L-tryptophyl-L-glutamyl-L-asparaginylglycyl-L-lysyl-L-tryptophyl-L-threonyl-L-tryptophyl-L-lysylglycyl-L-alanyl-L-tyrosyl-L-glutaminyl-L-phenylalanyl-L-leucyl-L-lysine
Catalogue No.:PA PEP 001631
CAS :
1345420-96-3
Molecular Formula : C158H205N39O36
Molecular Weight : 3226.62
(S)-4-(2-((S)-2-Amino-3-carboxypropanamido)acetamido)-5-(((S)-1-carboxyethyl)amino)-5-oxopentanoic Acid
(S)-4-(2-((S)-2-Amino-3-carboxypropanamido)acetamido)-5-(((S)-1-carboxyethyl)amino)-5-oxopentanoic Acid
Catalogue No.:PA PEP 001632
CAS :
134580-64-6
Molecular Formula : C14H22N4O9
Molecular Weight : 390.35
L-Asparaginyl-L-seryl-L-aspartyl-L-cysteinyl-L-isoleucyl-L-isoleucyl-L-seryl-L-arginyl-L-lysyl-L-isoleucyl-L-glutamyl-L-glutaminyl-L-lysyl-L-glutamic Acid
L-Asparaginyl-L-seryl-L-aspartyl-L-cysteinyl-L-isoleucyl-L-isoleucyl-L-seryl-L-arginyl-L-lysyl-L-isoleucyl-L-glutamyl-L-glutaminyl-L-lysyl-L-glutamic Acid
Catalogue No.:PA PEP 001642
CAS :
1351804-17-5
Molecular Formula : C68H119N21O25S
Molecular Weight : 1662.88
(3S,6S,9R,12S,15R,18R,21S)-9,15,18-Tris((1H-indol-3-yl)methyl)-3,25-diamino-21-carbamoyl-6-(4-hydroxybenzyl)-12-isopropyl-4,7,10,13,16,19-hexaoxo-5,8,11,14,17,20-hexaazapentacosanoic Acid
(3S,6S,9R,12S,15R,18R,21S)-9,15,18-Tris((1H-indol-3-yl)methyl)-3,25-diamino-21-carbamoyl-6-(4-hydroxybenzyl)-12-isopropyl-4,7,10,13,16,19-hexaoxo-5,8,11,14,17,20-hexaazapentacosanoic Acid
Catalogue No.:PA PEP 001643
CAS :
135306-85-3
Molecular Formula : C57H68N12O10
Molecular Weight : 1081.25
(S)-4-((S)-2-((R)-2-((R)-2-((2S,3S)-2-((S)-1-(L-Isoleucyl-L-alanyl-L-leucyl-L-isoleucyl-L-leucyl-L-glutamyl)pyrrolidine-2-carboxamido)-3-methylpentanamido)-3-mercaptopropanamido)-3-mercaptopropanamido)-5-amino-5-oxopentanamido)-5-(((S)-1-(((S)-1-(((S)-1-carboxyethyl)amino)-1-oxopropan-2-yl)amino)-5-guanidino-1-oxopentan-2-yl)amino)-5-oxopentanoic Acid
(S)-4-((S)-2-((R)-2-((R)-2-((2S,3S)-2-((S)-1-(L-Isoleucyl-L-alanyl-L-leucyl-L-isoleucyl-L-leucyl-L-glutamyl)pyrrolidine-2-carboxamido)-3-methylpentanamido)-3-mercaptopropanamido)-3-mercaptopropanamido)-5-amino-5-oxopentanamido)-5-(((S)-1-(((S)-1-(((S)-1-carboxyethyl)amino)-1-oxopropan-2-yl)amino)-5-guanidino-1-oxopentan-2-yl)amino)-5-oxopentanoic Acid
Catalogue No.:PA PEP 001651
CAS :
1356469-36-7
Molecular Formula : C71H123N19O21S2
Molecular Weight : 1643
(2,4-Dinitrophenyl)-L-prolyl-L-leucyl-L-alanyl-L-tyrosyl-L-tryptophyl-L-alanyl-L-arginine
(2,4-Dinitrophenyl)-L-prolyl-L-leucyl-L-alanyl-L-tyrosyl-L-tryptophyl-L-alanyl-L-arginine
Catalogue No.:PA PEP 001653
CAS :
135662-05-4
Molecular Formula : C49H63N13O13
Molecular Weight : 1042.12
(2,4-Dinitrophenyl)-L-prolyl-L-tyrosyl-L-alanyl-L-tyrosyl-L-tryptophyl-L-methionyl-L-arginine
(2,4-Dinitrophenyl)-L-prolyl-L-tyrosyl-L-alanyl-L-tyrosyl-L-tryptophyl-L-methionyl-L-arginine
Catalogue No.:PA PEP 001654
CAS :
135662-06-5
Molecular Formula : C54H65N13O14S
Molecular Weight : 1152.25
3-((2S,5S,8S,17S)-5-((1H-Indol-3-yl)methyl)-8-benzyl-14,17-diisobutyl-16-methyl-3,6,9,12,18-pentaoxo-1,4,7,10,13,16-hexaazacyclooctadecan-2-yl)propanamide
3-((2S,5S,8S,17S)-5-((1H-Indol-3-yl)methyl)-8-benzyl-14,17-diisobutyl-16-methyl-3,6,9,12,18-pentaoxo-1,4,7,10,13,16-hexaazacyclooctadecan-2-yl)propanamide
Catalogue No.:PA PEP 001657
CAS :
135721-56-1
Molecular Formula : C40H56N8O6
Molecular Weight : 744.94
L-Histidylglycyl-L-leucyl-L-alanyl-L-seryl-L-threonyl-L-leucyl-L-threonyl-L-arginyl-L-tryptophyl-L-alanyl-L-histidyl-L-tyrosyl-L-asparaginyl-L-alanyl-L-leucyl-L-isoleucyl-L-arginyl-L-alanyl-L-phenylalaninamide
L-Histidylglycyl-L-leucyl-L-alanyl-L-seryl-L-threonyl-L-leucyl-L-threonyl-L-arginyl-L-tryptophyl-L-alanyl-L-histidyl-L-tyrosyl-L-asparaginyl-L-alanyl-L-leucyl-L-isoleucyl-L-arginyl-L-alanyl-L-phenylalaninamide
Catalogue No.:PA PEP 001666
CAS :
1360823-60-4
Molecular Formula : C106H161N33O25
Molecular Weight : 2297.66
(2S,8S,11S,14S,17S,20S)-17-((1H-Imidazol-4-yl)methyl)-20,23-diamino-11-(2-carboxyethyl)-8-(carboxymethyl)-14-(3-guanidinopropyl)-2-(hydroxymethyl)-4,7,10,13,16,19,23-heptaoxo-3,6,9,12,15,18-hexaazatricosanoic Acid
(2S,8S,11S,14S,17S,20S)-17-((1H-Imidazol-4-yl)methyl)-20,23-diamino-11-(2-carboxyethyl)-8-(carboxymethyl)-14-(3-guanidinopropyl)-2-(hydroxymethyl)-4,7,10,13,16,19,23-heptaoxo-3,6,9,12,15,18-hexaazatricosanoic Acid
Catalogue No.:PA PEP 001668
CAS :
1361235-89-3
Molecular Formula : C31H49N13O14
Molecular Weight : 827.81
Methyl ((R)-2-amino-3-(perfluorophenyl)propanoyl)-L-glutaminyl-L-tryptophyl-L-alanyl-L-valyl-D-alanyl-L-histidyl-L-leucinate
Methyl ((R)-2-amino-3-(perfluorophenyl)propanoyl)-L-glutaminyl-L-tryptophyl-L-alanyl-L-valyl-D-alanyl-L-histidyl-L-leucinate
Catalogue No.:PA PEP 001672
CAS :
136207-23-3
Molecular Formula : C49H63F5N12O10
Molecular Weight : 1075.11
N-Acetyl-4-chloro-D-phenylalanyl-4-chloro-D-phenylalanyl-3-benzo[b]thien-3-yl-D-alanyl-L-seryl-L-tyrosyl-D-lysyl-L-leucyl-L-arginyl-L-prolyl-D-alaninamide
N-Acetyl-4-chloro-D-phenylalanyl-4-chloro-D-phenylalanyl-3-benzo[b]thien-3-yl-D-alanyl-L-seryl-L-tyrosyl-D-lysyl-L-leucyl-L-arginyl-L-prolyl-D-alaninamide
Catalogue No.:PA PEP 001673
CAS :
136208-71-4
Molecular Formula : C69H91Cl2N15O13S
Molecular Weight : 1441.54
L-Tyrosylglycyl-L-arginyl-L-lysyl-L-lysyl-L-arginyl-L-arginyl-L-glutaminyl-L-arginyl-L-arginyl-L-arginyl-L-leucyl-L-glutaminyl-L-leucyl-L-aspartyl-L-glutamyl-L-glutamyl-L-threonylglycyl-L-glutamyl-L-phenylalanyl-L-leucyl-L-prolyl-L-isoleucyl-L-glutamine
L-Tyrosylglycyl-L-arginyl-L-lysyl-L-lysyl-L-arginyl-L-arginyl-L-glutaminyl-L-arginyl-L-arginyl-L-arginyl-L-leucyl-L-glutaminyl-L-leucyl-L-aspartyl-L-glutamyl-L-glutamyl-L-threonylglycyl-L-glutamyl-L-phenylalanyl-L-leucyl-L-prolyl-L-isoleucyl-L-glutamine
Catalogue No.:PA PEP 001675
CAS :
1362661-34-4
Molecular Formula : C137H230N48O39
Molecular Weight : 3173.64
L-Alanyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-glutaminyl-L-leucyl-L-glutaminyl-L-leucyl-L-α-aspartyl-L-α-glutamyl-L-α-glutamyl-L-threonylglycyl-L-α-glutamyl-L-phenylalanyl-L-leucine
L-Alanyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-glutaminyl-L-leucyl-L-glutaminyl-L-leucyl-L-α-aspartyl-L-α-glutamyl-L-α-glutamyl-L-threonylglycyl-L-α-glutamyl-L-phenylalanyl-L-leucine
Catalogue No.:PA PEP 001678
CAS :
1364173-77-2
Molecular Formula : C86H124N18O28
Molecular Weight : 1858.04
2-((3R,6S,9R,12R,17aS)-9-((1H-Indol-3-yl)methyl)-6-isobutyl-3-isopropyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic Acid
2-((3R,6S,9R,12R,17aS)-9-((1H-Indol-3-yl)methyl)-6-isobutyl-3-isopropyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic Acid
Catalogue No.:PA PEP 001681
CAS :
136553-81-6
Molecular Formula : C31H42N6O7
Molecular Weight : 610.71
2-((3R,6S,9R,12R,17aS)-9-((1H-Indol-3-yl)methyl)-3-((R)-sec-butyl)-6-isobutyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic Acid
2-((3R,6S,9R,12R,17aS)-9-((1H-Indol-3-yl)methyl)-3-((R)-sec-butyl)-6-isobutyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic Acid
Catalogue No.:PA PEP 001682
CAS :
136553-96-3
Molecular Formula : C32H44N6O7
Molecular Weight : 624.74
L-Lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysyl-L-arginyl-L-phenylalanyl-L-alanyl-L-phenylalanyl-L-lysyl-L-lysyl-L-alanyl-L-phenylalanyl-L-lysyl-L-leucyl-L-alanylglycyl-L-phenylalanyl-L-alanyl-L-phenylalanyl-L-lysyl-L-lysyl-L-asparaginyl-L-lysyl-L-lysine
L-Lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysyl-L-arginyl-L-phenylalanyl-L-alanyl-L-phenylalanyl-L-lysyl-L-lysyl-L-alanyl-L-phenylalanyl-L-lysyl-L-leucyl-L-alanylglycyl-L-phenylalanyl-L-alanyl-L-phenylalanyl-L-lysyl-L-lysyl-L-asparaginyl-L-lysyl-L-lysine
Catalogue No.:PA PEP 001683
CAS :
136561-67-6
Molecular Formula : C147H243N41O27
Molecular Weight : 3016.82

