Peptides and its Impurities


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