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-Arginyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycine
L-Arginyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycine
Catalogue No.:PA PEP 003952
CAS :
57468-17-4
Molecular Formula : C52H77N15O12
Molecular Weight : 1104.28


(4S,7S,10S,13S,16S,19S,22S,25S,28S)-28-(((S)-5-Amino-1-(((S)-1,5-diamino-1,5-dioxopentan-2-yl)amino)-1,5-dioxopentan-2-yl)carbamoyl)-4,7,16,22-tetrakis(3-amino-3-oxopropyl)-10-(4-aminobutyl)-13,19,25-tribenzyl-2,5,8,11,14,17,20,23,26-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazahentriacontan-31-oic Acid
(4S,7S,10S,13S,16S,19S,22S,25S,28S)-28-(((S)-5-Amino-1-(((S)-1,5-diamino-1,5-dioxopentan-2-yl)amino)-1,5-dioxopentan-2-yl)carbamoyl)-4,7,16,22-tetrakis(3-amino-3-oxopropyl)-10-(4-aminobutyl)-13,19,25-tribenzyl-2,5,8,11,14,17,20,23,26-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazahentriacontan-31-oic Acid
Catalogue No.:PA PEP 003961
CAS :
581799-39-5
Molecular Formula : C70H99N19O20
Molecular Weight : 1526.68


(2S,5S,8S,11S,14S,17S)-2-((1H-Imidazol-5-yl)methyl)-17-amino-1-((S)-2-(((S)-1-carboxy-2-phenylethyl)carbamoyl)pyrrolidin-1-yl)-14-(3-guanidinopropyl)-8-(4-hydroxybenzyl)-5,11-diisopropyl-1,4,7,10,13,16-hexaoxo-3,6,9,12,15-pentaazanonadecan-19-oic Acid
(2S,5S,8S,11S,14S,17S)-2-((1H-Imidazol-5-yl)methyl)-17-amino-1-((S)-2-(((S)-1-carboxy-2-phenylethyl)carbamoyl)pyrrolidin-1-yl)-14-(3-guanidinopropyl)-8-(4-hydroxybenzyl)-5,11-diisopropyl-1,4,7,10,13,16-hexaoxo-3,6,9,12,15-pentaazanonadecan-19-oic Acid
Catalogue No.:PA PEP 003965
CAS :
58-49-1
Molecular Formula : C49H69N13O12
Molecular Weight : 1032.17


L-Arginyl-L-prolyl-L-prolylglycyl-L-phenylalanyl-L-seryl-L-prolyl-L-phenylalanyl-L-arginine
L-Arginyl-L-prolyl-L-prolylglycyl-L-phenylalanyl-L-seryl-L-prolyl-L-phenylalanyl-L-arginine
Catalogue No.:PA PEP 003970
CAS :
58-82-2
Molecular Formula : C50H73N15O11
Molecular Weight : 1060.23


(S)-1-Benzoyl-N-((S)-1-(((S)-5-guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-2-carboxamide
(S)-1-Benzoyl-N-((S)-1-(((S)-5-guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-2-carboxamide
Catalogue No.:PA PEP 003971
CAS :
58840-30-5
Molecular Formula : C33H38N8O6
Molecular Weight : 642.72


(4S,7S,10S,13S,16S)-13-((1H-Indol-3-yl)methyl)-4-(((S)-5-amino-1-(((S)-1,5-diamino-1,5-dioxopentan-2-yl)amino)-1,5-dioxopentan-2-yl)carbamoyl)-7-benzyl-16-((2S,5S,8S,11S)-8,11-bis(3-amino-3-oxopropyl)-2-benzyl-5-(3-guanidinopropyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazatetradecanamido)-10-(2-carboxyethyl)-6,9,12,15-tetraoxo-5,8,11,14-tetraazanonadecanedioic Acid
(4S,7S,10S,13S,16S)-13-((1H-Indol-3-yl)methyl)-4-(((S)-5-amino-1-(((S)-1,5-diamino-1,5-dioxopentan-2-yl)amino)-1,5-dioxopentan-2-yl)carbamoyl)-7-benzyl-16-((2S,5S,8S,11S)-8,11-bis(3-amino-3-oxopropyl)-2-benzyl-5-(3-guanidinopropyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazatetradecanamido)-10-(2-carboxyethyl)-6,9,12,15-tetraoxo-5,8,11,14-tetraazanonadecanedioic Acid
Catalogue No.:PA PEP 003980
CAS :
593266-60-5
Molecular Formula : C72H98N20O22
Molecular Weight : 1595.69


Tetradecanoyl-L-seryl-L-isoleucyl-L-arginyl-L-lysyl-L-alanyl-L-leucyl-L-asparaginyl-L-isoleucyl-L-leucylglycyl-L-tyrosyl-L-prolyl-L-aspartyl-L-tyrosyl-L-aspartic Acid
Tetradecanoyl-L-seryl-L-isoleucyl-L-arginyl-L-lysyl-L-alanyl-L-leucyl-L-asparaginyl-L-isoleucyl-L-leucylglycyl-L-tyrosyl-L-prolyl-L-aspartyl-L-tyrosyl-L-aspartic Acid
Catalogue No.:PA PEP 003981
CAS :
593267-11-9
Molecular Formula : C93H150N20O25
Molecular Weight : 1948.34


L-Tryptophyl-L-histidyl-L-tryptophyl-L-leucyl-L-glutaminyl-L-leucyl-L-lysyl-L-prolylglycyl-L-glutaminyl-L-prolyl-L-methionyl-L-tyrosine
L-Tryptophyl-L-histidyl-L-tryptophyl-L-leucyl-L-glutaminyl-L-leucyl-L-lysyl-L-prolylglycyl-L-glutaminyl-L-prolyl-L-methionyl-L-tyrosine
Catalogue No.:PA PEP 003982
CAS :
59401-28-4
Molecular Formula : C82H114N20O17S
Molecular Weight : 1684


L-Alanyl-L-serylglycyl-L-prolyl-L-leucylglycyl-L-threonyl-L-leucyl-L-alanyl-L-α-glutamyl-L-α-glutamyl-L-leucyl-L-seryl-L-seryl-L-tyrosyl-L-seryl-L-arginyl-L-arginyl-L-lysylglycylglycyl-L-phenylalanyl-L-seryl-L-phenylalanyl-L-arginyl-L-phenylalaninamide
L-Alanyl-L-serylglycyl-L-prolyl-L-leucylglycyl-L-threonyl-L-leucyl-L-alanyl-L-α-glutamyl-L-α-glutamyl-L-leucyl-L-seryl-L-seryl-L-tyrosyl-L-seryl-L-arginyl-L-arginyl-L-lysylglycylglycyl-L-phenylalanyl-L-seryl-L-phenylalanyl-L-arginyl-L-phenylalaninamide
Catalogue No.:PA PEP 003991
CAS :
600171-70-8
Molecular Formula : C126H195N37O37
Molecular Weight : 2820.17


(S)-2-((S)-2-(2-(2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)acetamido)acetamido)-3-phenylpropanamido)-4-(methylthio)butanamide
(S)-2-((S)-2-(2-(2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)acetamido)acetamido)-3-phenylpropanamido)-4-(methylthio)butanamide
Catalogue No.:PA PEP 003992
CAS :
60117-17-1
Molecular Formula : C27H36N6O6S
Molecular Weight : 572.68


(S)-2-((S)-2-(2-(2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)acetamido)acetamido)-3-phenylpropanamido)-4-methylpentanamide
(S)-2-((S)-2-(2-(2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)acetamido)acetamido)-3-phenylpropanamido)-4-methylpentanamide
Catalogue No.:PA PEP 003994
CAS :
60117-24-0
Molecular Formula : C28H38N6O6
Molecular Weight : 554.65


22-Amino-4-formyl-7,10-dimethyl-2,8,11,16-tetraoxo-5-(1,2,3-trihydroxypropyl)-6-oxa-3,9,12,17-tetraazadocosane-13,18,22-tricarboxylic Acid
22-Amino-4-formyl-7,10-dimethyl-2,8,11,16-tetraoxo-5-(1,2,3-trihydroxypropyl)-6-oxa-3,9,12,17-tetraazadocosane-13,18,22-tricarboxylic Acid
Catalogue No.:PA PEP 003996
CAS :
60230-21-9
Molecular Formula : C26H43N5O15
Molecular Weight : 665.65


(S)-2-Amino-N-((S)-1-(((S)-1-((4-nitrophenyl)amino)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)propanamide
(S)-2-Amino-N-((S)-1-(((S)-1-((4-nitrophenyl)amino)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)propanamide
Catalogue No.:PA PEP 003997
CAS :
60354-61-2
Molecular Formula : C15H21N5O5
Molecular Weight : 351.36


(4R,7S,10R,12R,13R,14R)-12-((R)-1-Acetamido-2-oxoethyl)-4-carbamoyl-13,14-dihydroxy-7,10-dimethyl-6,9,17-trioxo-11,16-dioxa-5,8-diazatetratriacontanoic Acid
(4R,7S,10R,12R,13R,14R)-12-((R)-1-Acetamido-2-oxoethyl)-4-carbamoyl-13,14-dihydroxy-7,10-dimethyl-6,9,17-trioxo-11,16-dioxa-5,8-diazatetratriacontanoic Acid
Catalogue No.:PA PEP 003998
CAS :
60398-08-5
Molecular Formula : C37H66N4O12
Molecular Weight : 758.95


L-Alanyl-L-glutaminylglycyl-L-threonyl-L-leucyl-L-seryl-L-lysyl-L-isoleucyl-L-phenylalanyl-L-lysyl-L-leucylglycylglycyl-L-arginyl-L-aspartyl-L-seryl-L-arginyl-L-serylglycyl-L-seryl-L-prolyl-L-methionyl-L-alanyl-L-arginyl-L-arginine
L-Alanyl-L-glutaminylglycyl-L-threonyl-L-leucyl-L-seryl-L-lysyl-L-isoleucyl-L-phenylalanyl-L-lysyl-L-leucylglycylglycyl-L-arginyl-L-aspartyl-L-seryl-L-arginyl-L-serylglycyl-L-seryl-L-prolyl-L-methionyl-L-alanyl-L-arginyl-L-arginine
Catalogue No.:PA PEP 004000
CAS :
604803-17-0
Molecular Formula : C112H194N40O34S
Molecular Weight : 2677.09


1,1'-(((2S,5S,8S,14R)-14-(4-Hydroxybenzyl)-8-(naphthalen-2-ylmethyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecane-2,5-diyl)bis(propane-3,1-diyl))diguanidine
1,1'-(((2S,5S,8S,14R)-14-(4-Hydroxybenzyl)-8-(naphthalen-2-ylmethyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecane-2,5-diyl)bis(propane-3,1-diyl))diguanidine
Catalogue No.:PA PEP 004002
CAS :
606968-52-9
Molecular Formula : C36H47N11O6
Molecular Weight : 729.84


(2S,5S,8S,11S,14S,17S,20S,26S,29S)-29-Amino-17-(3-amino-3-oxopropyl)-5-benzyl-8,11-bis(2-carboxyethyl)-20-(3-guanidinopropyl)-2,14-diisobutyl-26-isopropyl-31-methyl-4,7,10,13,16,19,22,25,28-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazadotriacontanoic Acid
(2S,5S,8S,11S,14S,17S,20S,26S,29S)-29-Amino-17-(3-amino-3-oxopropyl)-5-benzyl-8,11-bis(2-carboxyethyl)-20-(3-guanidinopropyl)-2,14-diisobutyl-26-isopropyl-31-methyl-4,7,10,13,16,19,22,25,28-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazadotriacontanoic Acid
Catalogue No.:PA PEP 004007
CAS :
608513-82-2
Molecular Formula : C55H90N14O16
Molecular Weight : 1203.41


L-Isoleucyl-L-leucyl-L-lysyl-L-glutaminyl-L-seryl-L-methionyl-L-threonyl-L-leucyl-L-asparaginyl-L-leucyl-L-alanyl-L-aspartyl-L-prolyl-L-valylglycyl-L-seryl-L-leucyl-L-lysyl-L-prolyl-L-histidyl-L-leucyl-L-arginyl-L-alanyl-L-lysyl-L-asparagine
L-Isoleucyl-L-leucyl-L-lysyl-L-glutaminyl-L-seryl-L-methionyl-L-threonyl-L-leucyl-L-asparaginyl-L-leucyl-L-alanyl-L-aspartyl-L-prolyl-L-valylglycyl-L-seryl-L-leucyl-L-lysyl-L-prolyl-L-histidyl-L-leucyl-L-arginyl-L-alanyl-L-lysyl-L-asparagine
Catalogue No.:PA PEP 004008
CAS :
610273-01-3
Molecular Formula : C121H210N36O34S
Molecular Weight : 2745.29


(2S,5S,8S,11S,14S)-14-Amino-5,8-bis(2-carboxyethyl)-11-isobutyl-2-isopropyl-4,7,10,13-tetraoxo-15-phenyl-3,6,9,12-tetraazapentadecanoic Acid
(2S,5S,8S,11S,14S)-14-Amino-5,8-bis(2-carboxyethyl)-11-isobutyl-2-isopropyl-4,7,10,13-tetraoxo-15-phenyl-3,6,9,12-tetraazapentadecanoic Acid
Catalogue No.:PA PEP 004009
CAS :
61037-79-4
Molecular Formula : C30H45N5O10
Molecular Weight : 635.72


(S)-N-((5S,8S,14S,17S)-14-Benzyl-5-carbamoyl-8-isobutyl-7,10,13,16-tetraoxo-18-phenyl-2-thia-6,9,12,15-tetraazaoctadecan-17-yl)-5-oxopyrrolidine-2-carboxamide
(S)-N-((5S,8S,14S,17S)-14-Benzyl-5-carbamoyl-8-isobutyl-7,10,13,16-tetraoxo-18-phenyl-2-thia-6,9,12,15-tetraazaoctadecan-17-yl)-5-oxopyrrolidine-2-carboxamide
Catalogue No.:PA PEP 004012
CAS :
61123-13-5
Molecular Formula : C36H49N7O7S
Molecular Weight : 723.89


(S)-N1-((S)-1-(((2S,3R)-1-((S)-2-(((S)-4-Amino-1-(((S)-1-((2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)amino)-2-oxoethyl)amino)-3-(1H-indol-3-yl)-1-oxopropan-2-yl)amino)-1,4-dioxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-3-hydroxy-1-oxobutan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-4-methyl-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanamido)succinamide
(S)-N1-((S)-1-(((2S,3R)-1-((S)-2-(((S)-4-Amino-1-(((S)-1-((2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)amino)-2-oxoethyl)amino)-3-(1H-indol-3-yl)-1-oxopropan-2-yl)amino)-1,4-dioxobutan-2-yl)carbamoyl)pyrrolidin-1-yl)-3-hydroxy-1-oxobutan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-4-methyl-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanamido)succinamide
Catalogue No.:PA PEP 004017
CAS :
61627-67-6
Molecular Formula : C54H74N14O15
Molecular Weight : 1159.27


2,2',2''-(10-(2-(((R)-1-(((4R,7S,10S,13R,16S,19R)-13-((1H-Indol-3-yl)methyl)-10-(4-aminobutyl)-4-(((2R,3R)-1,3-dihydroxybutan-2-yl)carbamoyl)-7-((R)-1-hydroxyethyl)-16-(naphthalen-1-ylmethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-19-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic Acid
2,2',2''-(10-(2-(((R)-1-(((4R,7S,10S,13R,16S,19R)-13-((1H-Indol-3-yl)methyl)-10-(4-aminobutyl)-4-(((2R,3R)-1,3-dihydroxybutan-2-yl)carbamoyl)-7-((R)-1-hydroxyethyl)-16-(naphthalen-1-ylmethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-19-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic Acid
Catalogue No.:PA PEP 004018
CAS :
619300-53-7
Molecular Formula : C69H94N14O17S2
Molecular Weight : 1455.71


(S)-2-((S)-2-((S)-2-Aminopropanamido)propanamido)-N-(4-methyl-2-oxo-2H-chromen-7-yl)-3-phenylpropanamide 2,2,2-Trifluoroacetate
(S)-2-((S)-2-((S)-2-Aminopropanamido)propanamido)-N-(4-methyl-2-oxo-2H-chromen-7-yl)-3-phenylpropanamide 2,2,2-Trifluoroacetate
Catalogue No.:PA PEP 004021
CAS :
62037-42-7
Molecular Formula : C27H29F3N4O7
Molecular Weight : 578.55


(2S,2'S)-2,2'-(((2R,2'R)-3,3'-Disulfanediylbis(2-aminopropanoyl))bis(azanediyl))bis(3-phenylpropanoic Acid)
(2S,2'S)-2,2'-(((2R,2'R)-3,3'-Disulfanediylbis(2-aminopropanoyl))bis(azanediyl))bis(3-phenylpropanoic Acid)
Catalogue No.:PA PEP 004022
CAS :
62130-80-7
Molecular Formula : C24H30N4O6S2
Molecular Weight : 534.65


(S)-2,6-Diamino-N-((2S,5S,8S,11S,14S,17S,20S,23S,26S)-30-amino-8,17-bis(4-aminobutyl)-5,11,14,20,23-pentabenzyl-26-carbamoyl-3,6,9,12,15,18,21,24-octaoxo-1-phenyl-4,7,10,13,16,19,22,25-octaazatriacontan-2-yl)hexanamide
(S)-2,6-Diamino-N-((2S,5S,8S,11S,14S,17S,20S,23S,26S)-30-amino-8,17-bis(4-aminobutyl)-5,11,14,20,23-pentabenzyl-26-carbamoyl-3,6,9,12,15,18,21,24-octaoxo-1-phenyl-4,7,10,13,16,19,22,25-octaazatriacontan-2-yl)hexanamide
Catalogue No.:PA PEP 004023
CAS :
622402-94-2
Molecular Formula : C78H105N15O10
Molecular Weight : 1412.79


Cyclo(L-alanylglycyl-L-histidyl-L-valyl-L-prolyl-L-α-glutamyl-L-tyrosyl-L-phenylalanyl-L-valylglycyl-L-isoleucylglycyl-L-threonyl-L-prolyl-L-isoleucyl-L-seryl-L-phenylalanyl-L-tyrosylglycylglycylglycyl)
Cyclo(L-alanylglycyl-L-histidyl-L-valyl-L-prolyl-L-α-glutamyl-L-tyrosyl-L-phenylalanyl-L-valylglycyl-L-isoleucylglycyl-L-threonyl-L-prolyl-L-isoleucyl-L-seryl-L-phenylalanyl-L-tyrosylglycylglycylglycyl)
Catalogue No.:PA PEP 004024
CAS :
622787-00-2
Molecular Formula : C101H139N23O27
Molecular Weight : 2107.36


(S)-6-Amino-2-((S)-2-((R)-2-amino-3-methylbutanamido)-4-methylpentanamido)-N-(4-nitrophenyl)hexanamide Dihydrochloride
(S)-6-Amino-2-((S)-2-((R)-2-amino-3-methylbutanamido)-4-methylpentanamido)-N-(4-nitrophenyl)hexanamide Dihydrochloride
Catalogue No.:PA PEP 004028
CAS :
62354-43-2
Molecular Formula : C23H40Cl2N6O5
Molecular Weight : 551.51


(R)-N-((S)-1-(((S)-5-Guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-2-carboxamide Dihydrochloride
(R)-N-((S)-1-(((S)-5-Guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-2-carboxamide Dihydrochloride
Catalogue No.:PA PEP 004029
CAS :
62354-56-7
Molecular Formula : C26H36Cl2N8O5
Molecular Weight : 611.53


(S)-4-((S)-2-((S)-1-(Acetyl-L-alanyl-L-alanyl-L-valyl-L-alanyl-L-leucyl-L-leucyl-L-prolyl-L-alanyl-L-valyl-L-leucyl-L-leucyl-L-alanyl-L-leucyl-L-leucyl-L-alanyl)pyrrolidine-2-carboxamido)-4-methylpentanamido)-5-(((S)-1-(((S)-1-carboxy-3-oxopropan-2-yl)amino)-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl)amino)-5-oxopentanoic Acid
(S)-4-((S)-2-((S)-1-(Acetyl-L-alanyl-L-alanyl-L-valyl-L-alanyl-L-leucyl-L-leucyl-L-prolyl-L-alanyl-L-valyl-L-leucyl-L-leucyl-L-alanyl-L-leucyl-L-leucyl-L-alanyl)pyrrolidine-2-carboxamido)-4-methylpentanamido)-5-(((S)-1-(((S)-1-carboxy-3-oxopropan-2-yl)amino)-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl)amino)-5-oxopentanoic Acid
Catalogue No.:PA PEP 004030
CAS :
623948-42-5
Molecular Formula : C97H162N22O25
Molecular Weight : 2036.49


((4R,7S,10S,13S,16S,19R)-10-((1H-Imidazol-5-yl)methyl)-19-((S)-2-amino-3-(4-hydroxyphenyl)propanamido)-7-benzyl-13-(2-carboxyethyl)-16-(carboxymethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-L-tyrosine
((4R,7S,10S,13S,16S,19R)-10-((1H-Imidazol-5-yl)methyl)-19-((S)-2-amino-3-(4-hydroxyphenyl)propanamido)-7-benzyl-13-(2-carboxyethyl)-16-(carboxymethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-L-tyrosine
Catalogue No.:PA PEP 004033
CAS :
629628-53-1
Molecular Formula : C48H56N10O15S2
Molecular Weight : 1077.15


L-Asparaginyl-L-threonyl-L-aspartylglycyl-L-seryl-L-threonyl-L-aspartyl-L-tyrosylglycyl-L-isoleucyl-L-leucyl-L-glutaminyl-L-isoleucyl-L-asparaginyl-L-seryl-L-arginine
L-Asparaginyl-L-threonyl-L-aspartylglycyl-L-seryl-L-threonyl-L-aspartyl-L-tyrosylglycyl-L-isoleucyl-L-leucyl-L-glutaminyl-L-isoleucyl-L-asparaginyl-L-seryl-L-arginine
Catalogue No.:PA PEP 004034
CAS :
62982-31-4
Molecular Formula : C72H116N22O29
Molecular Weight : 1753.85


((R)-2-((R)-2-(2-((R)-2-((2R,3R)-2-Amino-3-methylpentanamido)-4-methylpentanamido)acetamido)-3-(1H-imidazol-5-yl)propanamido)-5-ureidopentanoyl)-D-aspartyl-D-tyrosyl-D-lysine
((R)-2-((R)-2-(2-((R)-2-((2R,3R)-2-Amino-3-methylpentanamido)-4-methylpentanamido)acetamido)-3-(1H-imidazol-5-yl)propanamido)-5-ureidopentanoyl)-D-aspartyl-D-tyrosyl-D-lysine
Catalogue No.:PA PEP 004038
CAS :
634586-40-6
Molecular Formula : C45H71N13O13
Molecular Weight : 1002.14


(S)-4-((2S,3R)-2-((S)-2-((2S,3S)-2-((S)-1-(L-Lysyl-L-lysyl-L-isoleucyl-L-serylglycyl-L-arginyl-L-leucyl-L-seryl)pyrrolidine-2-carboxamido)-3-methylpentanamido)-4-(methylthio)butanamido)-3-hydroxybutanamido)-5-(((S)-4-amino-1-carboxy-4-oxobutyl)amino)-5-oxopentanoic Acid
(S)-4-((2S,3R)-2-((S)-2-((2S,3S)-2-((S)-1-(L-Lysyl-L-lysyl-L-isoleucyl-L-serylglycyl-L-arginyl-L-leucyl-L-seryl)pyrrolidine-2-carboxamido)-3-methylpentanamido)-4-(methylthio)butanamido)-3-hydroxybutanamido)-5-(((S)-4-amino-1-carboxy-4-oxobutyl)amino)-5-oxopentanoic Acid
Catalogue No.:PA PEP 004039
CAS :
634592-23-7
Molecular Formula : C68H122N20O21S
Molecular Weight : 1587.9


L-Seryl-L-isoleucylglycyl-L-alanyl-L-lysyl-L-isoleucyl-L-leucylglycylglycyl-L-valyl-L-lysyl-L-threonyl-L-phenylalanyl-L-phenylalanyl-L-lysylglycyl-L-alanyl-L-leucyl-L-lysyl-L-glutamyl-L-leucyl-L-alanyl-L-seryl-L-threonyl-L-tyrosyl-L-leucyl-L-glutamine
L-Seryl-L-isoleucylglycyl-L-alanyl-L-lysyl-L-isoleucyl-L-leucylglycylglycyl-L-valyl-L-lysyl-L-threonyl-L-phenylalanyl-L-phenylalanyl-L-lysylglycyl-L-alanyl-L-leucyl-L-lysyl-L-glutamyl-L-leucyl-L-alanyl-L-seryl-L-threonyl-L-tyrosyl-L-leucyl-L-glutamine
Catalogue No.:PA PEP 004041
CAS :
634600-61-6
Molecular Formula : C133H218N32O36
Molecular Weight : 2841.4


N2-N6-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carbonyl)-L-lysyl-L-glutamyl-L-valyl-L-tyrosylglycyl-L-methionyl-L-methionyl-N6-(4-((4-(dimethylamino)phenyl)diazenyl)benzoyl)-L-lysine
N2-N6-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carbonyl)-L-lysyl-L-glutamyl-L-valyl-L-tyrosylglycyl-L-methionyl-L-methionyl-N6-(4-((4-(dimethylamino)phenyl)diazenyl)benzoyl)-L-lysine
Catalogue No.:PA PEP 004045
CAS :
636566-40-0
Molecular Formula : C79H95N13O19S2
Molecular Weight : 1594.82


L-Phenylalanyl-L-prolyl-L-valyl-L-threonyl-L-tryptophyl-L-arginyl-L-tryptophyl-L-tryptophyl-L-lysyl-L-tryptophyl-L-tryptophyl-L-lysylglycinamide
L-Phenylalanyl-L-prolyl-L-valyl-L-threonyl-L-tryptophyl-L-arginyl-L-tryptophyl-L-tryptophyl-L-lysyl-L-tryptophyl-L-tryptophyl-L-lysylglycinamide
Catalogue No.:PA PEP 004046
CAS :
639459-67-9
Molecular Formula : C98H124N24O14
Molecular Weight : 1862.22


((S)-5-Oxopyrrolidine-2-carbonyl)-L-alanyl-L-lysyl-L-seryl-L-glutaminylglycylglycyl-L-seryl-L-asparagine
((S)-5-Oxopyrrolidine-2-carbonyl)-L-alanyl-L-lysyl-L-seryl-L-glutaminylglycylglycyl-L-seryl-L-asparagine
Catalogue No.:PA PEP 004047
CAS :
63958-90-7
Molecular Formula : C33H54N12O15
Molecular Weight : 858.86


L-Aspartyl-L-phenylalanyl-L-lysyl-L-leucyl-L-phenylalanyl-L-alanyl-L-valyl-L-tyrosyl-L-isoleucyl-L-lysyl-L-tyrosyl-L-arginine
L-Aspartyl-L-phenylalanyl-L-lysyl-L-leucyl-L-phenylalanyl-L-alanyl-L-valyl-L-tyrosyl-L-isoleucyl-L-lysyl-L-tyrosyl-L-arginine
Catalogue No.:PA PEP 004050
CAS :
640756-12-3
Molecular Formula : C78H115N17O17
Molecular Weight : 1562.88