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.

Displaying 32 results for Peptides Impurities
PA PEP 003834

H-Thr-Leu-OH

H-Thr-Leu-OH

  • Catalogue No.:PA PEP 003834

  • CAS :

    50299-12-2

  • Molecular Formula : C10H20N2O4

  • Molecular Weight : 232.28

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PA PEP 003835

Boc-Ala-Ala-pNA

Boc-Ala-Ala-pNA

  • Catalogue No.:PA PEP 003835

  • CAS :

    50439-35-5

  • Molecular Formula : C17H24N4O6

  • Molecular Weight : 380.4

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PA PEP 003836

Bid BH3 (80-99)

Bid BH3 (80-99)

  • Catalogue No.:PA PEP 003836

  • CAS :

    505070-05-3

  • Molecular Formula : C95H161N33O32S

  • Molecular Weight : 2309.59

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PA PEP 003837

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-alanine

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-alanine

  • Catalogue No.:PA PEP 003837

  • CAS :

    505070-06-4

  • Molecular Formula : C108H170N32O31S

  • Molecular Weight : 2444.8

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PA PEP 003838

L-Leucyl-L-tryptophyl-L-alanyl-L-alanyl-L-glutaminyl-L-arginyl-L-tyrosylglycyl-L-arginyl-L-α-glutamyl-L-leucyl-L-arginyl-L-arginyl-L-methionyl-L-seryl-L-α-aspartyl-L-α-glutamyl-L-phenylalanyl-L-α-glutamylglycyl-L-seryl-L-phenylalanyl-L-lysylglycyl-L-leucine

L-Leucyl-L-tryptophyl-L-alanyl-L-alanyl-L-glutaminyl-L-arginyl-L-tyrosylglycyl-L-arginyl-L-α-glutamyl-L-leucyl-L-arginyl-L-arginyl-L-methionyl-L-seryl-L-α-aspartyl-L-α-glutamyl-L-phenylalanyl-L-α-glutamylglycyl-L-seryl-L-phenylalanyl-L-lysylglycyl-L-leucine

  • Catalogue No.:PA PEP 003838

  • CAS :

    505070-07-5

  • Molecular Formula : C133H204N40O38S

  • Molecular Weight : 3003.4

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PA PEP 003839

L-Methionyl-L-α-glutamylglycyl-L-seryl-L-α-aspartyl-L-alanyl-L-leucyl-L-alanyl-L-leucyl-L-arginyl-L-leucyl-L-alanyl-L-cysteinyl-L-isoleucylglycyl-L-α-aspartyl-L-α-glutamyl-L-methionyl-L-α-aspartyl-L-valine

L-Methionyl-L-α-glutamylglycyl-L-seryl-L-α-aspartyl-L-alanyl-L-leucyl-L-alanyl-L-leucyl-L-arginyl-L-leucyl-L-alanyl-L-cysteinyl-L-isoleucylglycyl-L-α-aspartyl-L-α-glutamyl-L-methionyl-L-α-aspartyl-L-valine

  • Catalogue No.:PA PEP 003839

  • CAS :

    505070-08-6

  • Molecular Formula : C86H145N23O32S3

  • Molecular Weight : 2109.42

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PA PEP 003840

L-Alanyl-L-α-glutamyl-L-leucyl-L-prolyl-L-prolyl-L-α-glutamyl-L-phenylalanyl-L-alanyl-L-alanyl-L-glutaminyl-L-leucyl-L-arginyl-L-lysyl-L-isoleucylglycyl-L-α-aspartyl-L-lysyl-L-valyl-L-tyrosyl-L-cysteine

L-Alanyl-L-α-glutamyl-L-leucyl-L-prolyl-L-prolyl-L-α-glutamyl-L-phenylalanyl-L-alanyl-L-alanyl-L-glutaminyl-L-leucyl-L-arginyl-L-lysyl-L-isoleucylglycyl-L-α-aspartyl-L-lysyl-L-valyl-L-tyrosyl-L-cysteine

  • Catalogue No.:PA PEP 003840

  • CAS :

    505070-09-7

  • Molecular Formula : C102H162N26O29S

  • Molecular Weight : 2248.63

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PA PEP 003841

L-Prolyl-L-alanyl-L-α-aspartyl-L-leucyl-L-lysyl-L-α-aspartyl-L-α-glutamyl-L-cysteinyl-L-alanyl-L-glutaminyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucylglycyl-L-α-aspartyl-L-lysyl-L-valyl-L-asparaginyl-L-leucine

L-Prolyl-L-alanyl-L-α-aspartyl-L-leucyl-L-lysyl-L-α-aspartyl-L-α-glutamyl-L-cysteinyl-L-alanyl-L-glutaminyl-L-leucyl-L-arginyl-L-arginyl-L-isoleucylglycyl-L-α-aspartyl-L-lysyl-L-valyl-L-asparaginyl-L-leucine

  • Catalogue No.:PA PEP 003841

  • CAS :

    505070-10-0

  • Molecular Formula : C95H164N30O31S

  • Molecular Weight : 2254.6

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PA PEP 003842

Methyl ((S)-2-((S)-2-(2-((S)-2-amino-3-phenylpropanamido)acetamido)-3-(1H-imidazol-4-yl)propanamido)-3-(4-nitrophenyl)propanoyl)-L-phenylalanyl-L-alanyl-L-phenylalaninate

Methyl ((S)-2-((S)-2-(2-((S)-2-amino-3-phenylpropanamido)acetamido)-3-(1H-imidazol-4-yl)propanamido)-3-(4-nitrophenyl)propanoyl)-L-phenylalanyl-L-alanyl-L-phenylalaninate

  • Catalogue No.:PA PEP 003842

  • CAS :

    50572-79-7

  • Molecular Formula : C48H54N10O10

  • Molecular Weight : 931.02

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PA PEP 003843

H-Lys-Trp-OH

H-Lys-Trp-OH

  • Catalogue No.:PA PEP 003843

  • CAS :

    50674-18-5

  • Molecular Formula : C17H24N4O3

  • Molecular Weight : 332.4

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PA PEP 003844

L-Tyrosyl-L-arginyl-L-seryl-L-prolyl-L-phenylalanyl-L-seryl-L-arginyl-L-valyl-L-valyl-L-histidyl-L-leucyl-L-tyrosyl-L-arginyl-L-asparaginylglycine

L-Tyrosyl-L-arginyl-L-seryl-L-prolyl-L-phenylalanyl-L-seryl-L-arginyl-L-valyl-L-valyl-L-histidyl-L-leucyl-L-tyrosyl-L-arginyl-L-asparaginylglycine

  • Catalogue No.:PA PEP 003844

  • CAS :

    507233-87-6

  • Molecular Formula : C84H127N27O21

  • Molecular Weight : 1851.11

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PA PEP 003845

(S)-6-Amino-N-((4S,7S,10S,13S,16S,19S,22S,25S,28S,31S)-35-amino-10,19,22-tris(4-aminobutyl)-4-carbamoyl-7,13,16,25,28-pentaisobutyl-2-methyl-6,9,12,15,18,21,24,27,30-nonaoxo-5,8,11,14,17,20,23,26,29-nonaazapentatriacontan-31-yl)-2-((S)-2-((S)-2-((S)-6-amino-2-((S)-2-amino-4-methylpentanamido)hexanamido)-4-methylpentanamido)-4-methylpentanamido)hexanamide

(S)-6-Amino-N-((4S,7S,10S,13S,16S,19S,22S,25S,28S,31S)-35-amino-10,19,22-tris(4-aminobutyl)-4-carbamoyl-7,13,16,25,28-pentaisobutyl-2-methyl-6,9,12,15,18,21,24,27,30-nonaoxo-5,8,11,14,17,20,23,26,29-nonaazapentatriacontan-31-yl)-2-((S)-2-((S)-2-((S)-6-amino-2-((S)-2-amino-4-methylpentanamido)hexanamido)-4-methylpentanamido)-4-methylpentanamido)hexanamide

  • Catalogue No.:PA PEP 003845

  • CAS :

    507238-92-8

  • Molecular Formula : C90H174N22O15

  • Molecular Weight : 1804.52

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PA PEP 003846

Cenderitide

Cenderitide

  • Catalogue No.:PA PEP 003846

  • CAS :

    507289-11-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA PEP 003847

((S)-2-(3-(3,4-Dihydroxyphenyl)acrylamido)-3-(4-(phosphonooxy)phenyl)propanoyl)-L-glutamyl-L-glutamyl-L-isoleucyl-L-glutamic Acid

((S)-2-(3-(3,4-Dihydroxyphenyl)acrylamido)-3-(4-(phosphonooxy)phenyl)propanoyl)-L-glutamyl-L-glutamyl-L-isoleucyl-L-glutamic Acid

  • Catalogue No.:PA PEP 003847

  • CAS :

    507471-72-9

  • Molecular Formula : C39H50N5O19P

  • Molecular Weight : 923.82

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PA PEP 003848

L-Lysyl-L-arginyl-L-prolyl-L-prolyl-L-lysyl-L-leucylglycyl-L-glutaminyl-L-isoleucylglycyl-L-arginyl-L-alanyl-L-lysyl-L-arginyl-L-valyl-L-valyl-L-isoleucyl-L-glutamyl-L-aspartyl-L-aspartyl-L-arginyl-L-isoleucyl-L-aspartyl-L-aspartyl-L-valyl-L-leucyl-L-lysine

L-Lysyl-L-arginyl-L-prolyl-L-prolyl-L-lysyl-L-leucylglycyl-L-glutaminyl-L-isoleucylglycyl-L-arginyl-L-alanyl-L-lysyl-L-arginyl-L-valyl-L-valyl-L-isoleucyl-L-glutamyl-L-aspartyl-L-aspartyl-L-arginyl-L-isoleucyl-L-aspartyl-L-aspartyl-L-valyl-L-leucyl-L-lysine

  • Catalogue No.:PA PEP 003848

  • CAS :

    508181-45-1

  • Molecular Formula : C136H240N44O39

  • Molecular Weight : 3115.69

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PA PEP 003849

NY-ESO-1 (87-111)

NY-ESO-1 (87-111)

  • Catalogue No.:PA PEP 003849

  • CAS :

    508230-31-7

  • Molecular Formula : C131H206N32O36S2

  • Molecular Weight : 2869.4

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PA PEP 003850

L-Valyl-L-alanyl-L-tryptophyl-L-tryptophyl-L-methionyl-L-tyrosine

L-Valyl-L-alanyl-L-tryptophyl-L-tryptophyl-L-methionyl-L-tyrosine

  • Catalogue No.:PA PEP 003850

  • CAS :

    510725-34-5

  • Molecular Formula : C44H54N8O8S

  • Molecular Weight : 855.02

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PA PEP 003851

(S)-2-(2-((S)-2-((S)-2-Amino-3-phenylpropanamido)-3-phenylpropanamido)acetamido)-N-((S)-1-amino-4-(methylthio)-1-oxobutan-2-yl)-4-methylpentanamide

(S)-2-(2-((S)-2-((S)-2-Amino-3-phenylpropanamido)-3-phenylpropanamido)acetamido)-N-((S)-1-amino-4-(methylthio)-1-oxobutan-2-yl)-4-methylpentanamide

  • Catalogue No.:PA PEP 003851

  • CAS :

    51165-05-0

  • Molecular Formula : C31H44N6O5S

  • Molecular Weight : 612.79

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PA PEP 003852

(S)-2-Amino-N1-((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)pentanediamide

(S)-2-Amino-N1-((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)pentanediamide

  • Catalogue No.:PA PEP 003852

  • CAS :

    51165-07-2

  • Molecular Formula : C36H52N8O7S

  • Molecular Weight : 740.92

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PA PEP 003853

(S)-2-Amino-N1-((5S,8S,14S,17S,20S)-23-amino-14,17-dibenzyl-5-carbamoyl-8-isobutyl-7,10,13,16,19,23-hexaoxo-2-thia-6,9,12,15,18-pentaazatricosan-20-yl)pentanediamide

(S)-2-Amino-N1-((5S,8S,14S,17S,20S)-23-amino-14,17-dibenzyl-5-carbamoyl-8-isobutyl-7,10,13,16,19,23-hexaoxo-2-thia-6,9,12,15,18-pentaazatricosan-20-yl)pentanediamide

  • Catalogue No.:PA PEP 003853

  • CAS :

    51165-09-4

  • Molecular Formula : C41H60N10O9S

  • Molecular Weight : 869.05

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PA PEP 003854

(S)-2-((S)-1-(L-Lysyl)pyrrolidine-2-carboxamido)-N1-((S)-5-amino-1-(((S)-1-(((S)-1-((2-(((S)-1-(((S)-1-amino-4-(methylthio)-1-oxobutan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1,5-dioxopentan-2-yl)pentanediamide

(S)-2-((S)-1-(L-Lysyl)pyrrolidine-2-carboxamido)-N1-((S)-5-amino-1-(((S)-1-(((S)-1-((2-(((S)-1-(((S)-1-amino-4-(methylthio)-1-oxobutan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1,5-dioxopentan-2-yl)pentanediamide

  • Catalogue No.:PA PEP 003854

  • CAS :

    51165-11-8

  • Molecular Formula : C52H79N13O11S

  • Molecular Weight : 1094.34

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PA PEP 003855

(S)-N-(2-Amino-2-oxoethyl)-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-alanyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide

(S)-N-(2-Amino-2-oxoethyl)-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-alanyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide

  • Catalogue No.:PA PEP 003855

  • CAS :

    51230-19-4

  • Molecular Formula : C56H77N17O13

  • Molecular Weight : 1196.34

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PA PEP 003856

3-34-Bovine parathormone

3-34-Bovine parathormone

  • Catalogue No.:PA PEP 003856

  • CAS :

    51257-86-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA PEP 003857

(S)-N-(2-Amino-2-oxoethyl)-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-L-alanyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide

(S)-N-(2-Amino-2-oxoethyl)-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-L-alanyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide

  • Catalogue No.:PA PEP 003857

  • CAS :

    51278-35-4

  • Molecular Formula : C56H77N17O13

  • Molecular Weight : 1196.34

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PA PEP 003858

N-Acetyl-L-leucyl-L-arginyl-L-valyl-L-arginyl-L-leucyl-L-alanyl-L-seryl-L-histidyl-L-leucyl-L-arginyl-L-lysyl-L-leucyl-L-arginyl-L-lysyl-L-arginyl-L-leucyl-L-leucinamide

N-Acetyl-L-leucyl-L-arginyl-L-valyl-L-arginyl-L-leucyl-L-alanyl-L-seryl-L-histidyl-L-leucyl-L-arginyl-L-lysyl-L-leucyl-L-arginyl-L-lysyl-L-arginyl-L-leucyl-L-leucinamide

  • Catalogue No.:PA PEP 003858

  • CAS :

    514200-66-9

  • Molecular Formula : C97H181N37O19

  • Molecular Weight : 2169.76

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PA PEP 003859

L-Valyl-L-cysteinyl-L-tyrosyl-L-aspartyl-L-glutaminyl-L-alanyl-L-phenylalanyl-L-prolyl-L-isoleucyl-L-seryl-L-histidyl-L-isoleucyl-L-arginine

L-Valyl-L-cysteinyl-L-tyrosyl-L-aspartyl-L-glutaminyl-L-alanyl-L-phenylalanyl-L-prolyl-L-isoleucyl-L-seryl-L-histidyl-L-isoleucyl-L-arginine

  • Catalogue No.:PA PEP 003859

  • CAS :

    514787-21-4

  • Molecular Formula : C70H105N19O19S

  • Molecular Weight : 1548.78

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PA PEP 003860

(S)-3-((S)-2-((S)-2-((S)-2-((S)-2-((S)-1-(L-Tyrosyl-L-threonyl-L-methionyl-L-asparaginyl)pyrrolidine-2-carboxamido)-5-guanidinopentanamido)-6-aminohexanamido)-4-methylpentanamido)-3-phenylpropanamido)-4-(((S)-1-carboxy-2-(4-hydroxyphenyl)ethyl)amino)-4-oxobutanoic Acid

(S)-3-((S)-2-((S)-2-((S)-2-((S)-2-((S)-1-(L-Tyrosyl-L-threonyl-L-methionyl-L-asparaginyl)pyrrolidine-2-carboxamido)-5-guanidinopentanamido)-6-aminohexanamido)-4-methylpentanamido)-3-phenylpropanamido)-4-(((S)-1-carboxy-2-(4-hydroxyphenyl)ethyl)amino)-4-oxobutanoic Acid

  • Catalogue No.:PA PEP 003860

  • CAS :

    515170-17-9

  • Molecular Formula : C67H98N16O18S

  • Molecular Weight : 1447.68

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PA PEP 003861

H-Leu-Trp-OH

H-Leu-Trp-OH

  • Catalogue No.:PA PEP 003861

  • CAS :

    5156-22-9

  • Molecular Formula : C17H23N3O3

  • Molecular Weight : 317.39

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PA PEP 003862

L-Lysyl-L-aspartyl-L-isoleucine

L-Lysyl-L-aspartyl-L-isoleucine

  • Catalogue No.:PA PEP 003862

  • CAS :

    515835-71-9

  • Molecular Formula : C16H30N4O6

  • Molecular Weight : 374.44

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PA PEP 003863

(S)-1-(L-Seryl-L-tyrosylglycyl-L-leucyl-L-arginyl)-N-(2-amino-2-oxoethyl)pyrrolidine-2-carboxamide

(S)-1-(L-Seryl-L-tyrosylglycyl-L-leucyl-L-arginyl)-N-(2-amino-2-oxoethyl)pyrrolidine-2-carboxamide

  • Catalogue No.:PA PEP 003863

  • CAS :

    51776-33-1

  • Molecular Formula : C33H53N11O9

  • Molecular Weight : 747.86

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PA PEP 003864

Ziptide

Ziptide

  • Catalogue No.:PA PEP 003864

  • CAS :

    518069-98-2

  • Molecular Formula : C65H109N19O19

  • Molecular Weight : 1460.7

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PA PEP 003865

Xenopsin

Xenopsin

  • Catalogue No.:PA PEP 003865

  • CAS :

    51827-01-1

  • Molecular Formula : C47H73N13O10

  • Molecular Weight : 980.18

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