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-Lysyl-L-tryptophyl-L-lysyl-L-leucyl-L-phenylalanyl-L-lysyl-L-lysyl-L-isoleucyl-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-Lysyl-L-tryptophyl-L-lysyl-L-leucyl-L-phenylalanyl-L-lysyl-L-lysyl-L-isoleucyl-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 001361
CAS :
1228093-67-1
Molecular Formula : C136H224N38O25
Molecular Weight : 2791.53
((S)-2-(2-((S)-2-Acetamido-3-hydroxypropanamido)acetamido)-5-(2-chloroacetimidamido)pentanoyl)glycyl-L-lysylglycylglycyl-L-lysylglycyl-L-leucylglycyl-L-lysylglycylglycyl-L-alanyl-L-lysyl-L-arginyl-L-histidyl-L-arginyl-L-lysyl-L-valine
((S)-2-(2-((S)-2-Acetamido-3-hydroxypropanamido)acetamido)-5-(2-chloroacetimidamido)pentanoyl)glycyl-L-lysylglycylglycyl-L-lysylglycyl-L-leucylglycyl-L-lysylglycylglycyl-L-alanyl-L-lysyl-L-arginyl-L-histidyl-L-arginyl-L-lysyl-L-valine
Catalogue No.:PA PEP 001370
CAS :
1229236-78-5
Molecular Formula : C90H161ClN36O24
Molecular Weight : 2166.96
L-Cysteinyl-L-seryl-L-arginyl-L-alanyl-L-arginyl-L-lysyl-L-glutaminyl-L-alanyl-L-alanyl-L-seryl-L-isoleucyl-L-lysyl-L-valyl-L-alanyl-L-valyl-L-seryl-L-alanyl-L-aspartyl-L-arginine
L-Cysteinyl-L-seryl-L-arginyl-L-alanyl-L-arginyl-L-lysyl-L-glutaminyl-L-alanyl-L-alanyl-L-seryl-L-isoleucyl-L-lysyl-L-valyl-L-alanyl-L-valyl-L-seryl-L-alanyl-L-aspartyl-L-arginine
Catalogue No.:PA PEP 001372
CAS :
123063-31-0
Molecular Formula : C82H149N31O26S
Molecular Weight : 2017.35
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-L-lysine
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-L-lysine
Catalogue No.:PA PEP 001377
CAS :
1231898-22-8
Molecular Formula : C75H135N17O17
Molecular Weight : 1547.01
N-L-Threonyl-L-tyrosyl-L-isoleucyl-S-benzyl-L-cysteinyl-L-glutamyl-L-valyl-L-glutamyl-L-aspartyl-L-glutaminyl-L-lysyl-L-glutamyl-L-glutamic Acid
N-L-Threonyl-L-tyrosyl-L-isoleucyl-S-benzyl-L-cysteinyl-L-glutamyl-L-valyl-L-glutamyl-L-aspartyl-L-glutaminyl-L-lysyl-L-glutamyl-L-glutamic Acid
Catalogue No.:PA PEP 001388
CAS :
123380-68-7
Molecular Formula : C69H102N14O26S
Molecular Weight : 1575.71
(S)-2-((2S,5R,8S,11S,14S,17S)-2,17-Bis((1H-imidazol-4-yl)methyl)-14-((1H-indol-3-yl)methyl)-8-isopropyl-N,5,11,20-tetramethyl-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazahenicosanamido)-4-methylpentanamide
(S)-2-((2S,5R,8S,11S,14S,17S)-2,17-Bis((1H-imidazol-4-yl)methyl)-14-((1H-indol-3-yl)methyl)-8-isopropyl-N,5,11,20-tetramethyl-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazahenicosanamido)-4-methylpentanamide
Catalogue No.:PA PEP 001404
CAS :
124001-41-8
Molecular Formula : C45H65N13O8
Molecular Weight : 916.1
((2S,4S,5S)-5-((S)-4-Amino-2-((S)-5-amino-2-((S)-2-((S)-2-amino-3-methylbutanamido)-3-hydroxypropanamido)-5-oxopentanamido)-4-oxobutanamido)-4-hydroxy-2-isopropyl-7-methyloctanoyl)-L-isoleucyl-L-valine
((2S,4S,5S)-5-((S)-4-Amino-2-((S)-5-amino-2-((S)-2-((S)-2-amino-3-methylbutanamido)-3-hydroxypropanamido)-5-oxopentanamido)-4-oxobutanamido)-4-hydroxy-2-isopropyl-7-methyloctanoyl)-L-isoleucyl-L-valine
Catalogue No.:PA PEP 001406
CAS :
124020-62-8
Molecular Formula : C40H73N9O12
Molecular Weight : 872.08
Glycyl-L-arginyl-L-phenylalanyl-L-lysyl-L-arginyl-L-phenylalanyl-L-arginyl-L-lysyl-L-lysyl-L-phenylalanyl-L-lysyl-L-lysyl-L-leucyl-L-phenylalanyl-L-lysyl-L-lysyl-L-leucyl-L-serine
Glycyl-L-arginyl-L-phenylalanyl-L-lysyl-L-arginyl-L-phenylalanyl-L-arginyl-L-lysyl-L-lysyl-L-phenylalanyl-L-lysyl-L-lysyl-L-leucyl-L-phenylalanyl-L-lysyl-L-lysyl-L-leucyl-L-serine
Catalogue No.:PA PEP 001421
CAS :
1245798-31-5
Molecular Formula : C113H188N34O20
Molecular Weight : 2342.97
Glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparaginyl-L-seryl-L-alanylglycyl-L-tyrosyl-L-leucyl-L-leucylglycyl-L-prolyl-L-histidyl-L-alanyl-L-isoleucine
Glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparaginyl-L-seryl-L-alanylglycyl-L-tyrosyl-L-leucyl-L-leucylglycyl-L-prolyl-L-histidyl-L-alanyl-L-isoleucine
Catalogue No.:PA PEP 001430
CAS :
125118-77-6
Molecular Formula : C78H116N20O21
Molecular Weight : 1669.91
Acetyl-L-alanyl-L-seryl-L-glutaminyl-L-lysyl-L-arginyl-L-prolyl-L-seryl-L-glutaminyl-L-arginyl-L-seryl-L-lysine
Acetyl-L-alanyl-L-seryl-L-glutaminyl-L-lysyl-L-arginyl-L-prolyl-L-seryl-L-glutaminyl-L-arginyl-L-seryl-L-lysine
Catalogue No.:PA PEP 001435
CAS :
125366-42-9
Molecular Formula : C53H95N21O18
Molecular Weight : 1314.47
(S)-N1-((S)-1-Amino-5-guanidino-1-oxopentan-2-yl)-2-((2S,5S,8S,11S)-8-((S)-sec-butyl)-2,5-dibutyl-11-((R)-1-hydroxyethyl)-7,10,13-trioxo-3,6,9,12-tetraazatetradecanamido)pentanediamide
(S)-N1-((S)-1-Amino-5-guanidino-1-oxopentan-2-yl)-2-((2S,5S,8S,11S)-8-((S)-sec-butyl)-2,5-dibutyl-11-((R)-1-hydroxyethyl)-7,10,13-trioxo-3,6,9,12-tetraazatetradecanamido)pentanediamide
Catalogue No.:PA PEP 001440
CAS :
125552-93-4
Molecular Formula : C35H67N11O8
Molecular Weight : 769.99
L-Histidyl-L-methionyl-L-arginyl-L-seryl-L-alanyl-L-methionyl-L-serylglycyl-L-leucyl-L-histidyl-L-leucyl-L-valyl-L-lysyl-L-arginyl-L-arginine
L-Histidyl-L-methionyl-L-arginyl-L-seryl-L-alanyl-L-methionyl-L-serylglycyl-L-leucyl-L-histidyl-L-leucyl-L-valyl-L-lysyl-L-arginyl-L-arginine
Catalogue No.:PA PEP 001448
CAS :
125911-68-4
Molecular Formula : C74H131N29O18S2
Molecular Weight : 1779.17
3-(11-((1H-Indol-3-yl)methyl)-14-benzyl-2-isobutyl-5-(2-(methylthio)ethyl)-3,6,9,12,15,20-hexaoxo-1,4,7,10,13,16-hexaazabicyclo[15.2.1]icosan-8-yl)propanamide
3-(11-((1H-Indol-3-yl)methyl)-14-benzyl-2-isobutyl-5-(2-(methylthio)ethyl)-3,6,9,12,15,20-hexaoxo-1,4,7,10,13,16-hexaazabicyclo[15.2.1]icosan-8-yl)propanamide
Catalogue No.:PA PEP 001453
CAS :
125989-10-8
Molecular Formula : C40H52N8O7S
Molecular Weight : 788.97
2-((4R,7S,13S,16R)-16-Acetamido-4-carbamoyl-13-(3-guanidinopropyl)-3,3,14-trimethyl-6,9,12,15-tetraoxo-1,2-dithia-5,8,11,14-tetraazacycloheptadecan-7-yl)acetic Acid
2-((4R,7S,13S,16R)-16-Acetamido-4-carbamoyl-13-(3-guanidinopropyl)-3,3,14-trimethyl-6,9,12,15-tetraoxo-1,2-dithia-5,8,11,14-tetraazacycloheptadecan-7-yl)acetic Acid
Catalogue No.:PA PEP 001460
CAS :
126053-71-2
Molecular Formula : C23H39N9O8S2
Molecular Weight : 633.74
(7S,10S,13S,16S,19S)-19-Acetamido-7,13-bis(3-amino-3-oxopropyl)-16-benzyl-10-isobutyl-4,9,12,15,18-pentaoxo-3-oxa-8,11,14,17-tetraazadocos-5-en-22-oic Acid
(7S,10S,13S,16S,19S)-19-Acetamido-7,13-bis(3-amino-3-oxopropyl)-16-benzyl-10-isobutyl-4,9,12,15,18-pentaoxo-3-oxa-8,11,14,17-tetraazadocos-5-en-22-oic Acid
Catalogue No.:PA PEP 001461
CAS :
1260620-30-1
Molecular Formula : C36H53N7O11
Molecular Weight : 759.86
