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Peptide impurities

Peptide impurities are byproducts like truncated, deletion, and oxidized sequences formed during synthesis or storage, identified by HPLC and MS analysis.

Impurity Standards

Semaglutide Des Gly-10 Impurity

CAT. No.S1420007 CAS No.NA Mol. F.C185H288N44O58 Mol. W.4056.59 g/mol Stock Status Instock

COA MSDS

Semaglutide Des Thr-11 Impurity

CAT. No.S1420005 CAS No.NA Mol. F.C183H284N44O57 Mol. W.4012.54 g/mol Stock Status Instock

COA MSDS

Semaglutide Endo Gly-10 Impurity

CAT. No.S1420006 CAS No.NA Mol. F.C189H294N46O60 Mol. W.4170.70 g/mol Stock Status Instock

COA MSDS

Semaglutide Iso Asp Impurity

CAT. No.S1420004 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Instock

COA MSDS

Semaglutide Plus 106 Impurity

CAT. No.S1420003 CAS No.NA Mol. F.C194H297N45O60 Mol. W.4219.80 g/mol Stock Status Instock

COA MSDS

[1-29]-Semaglutide

CAT. No.S1420024 CAS No.NA Mol. F.C179H276N40O57 Mol. W.3900.40 g/mol Stock Status Instock

COA MSDS

[D-cys6] Desmopressin

CAT. No.D980010 CAS No.NA Mol. F.C46H64N14O12S2 Mol. W.1069.23 g/mol Stock Status Instock

COA MSDS

[Phe2]Desmopressin

CAT. No.D980011 CAS No.NA Mol. F.C46H64N14O11S2 Mol. W.1053.23 g/mol Stock Status Instock

COA MSDS

[Val]12-Tirzepatide

CAT. No.T1520069 CAS No.NA Mol. F.C224H346N48O68 Mol. W.4799.42 g/mol Stock Status Instock

COA MSDS

(10-39) Tirzepatide

CAT. No.T1520055 CAS No.NA Mol. F.C181H289N39O51 Mol. W.3827.53 g/mol Stock Status Custom Synthesis

COA MSDS

(2-Hydroxy-Trp25)-Liraglutide Trifluoroacetate

CAT. No.L920058 CAS No.NA Mol. F.C172H265N43O52.C2HF3O2 Mol. W.3881.22 g/mol Stock Status Custom Synthesis

COA MSDS

(alpha-Glu)(Side chain transposition)Semaglutide

CAT. No.S1420129 CAS No.NA Mol. F.C187H291N45059 Mol. W.4113.60 g/mol Stock Status Custom Synthesis

COA MSDS

(Asn5(Acm)) Desmopressin

CAT. No.D980032 CAS No.NA Mol. F.C49H69N15O13S2 Mol. W.1140.29 g/mol Stock Status Custom Synthesis

COA MSDS

(D-His-endo-Ala18-Liraglutide)

CAT. No.L920009 CAS No.NA Mol. F.C175H270N44O52 Mol. W.3822.36 g/mol Stock Status Custom Synthesis

COA MSDS

(D-His2)-Leuprolide

CAT. No.L570002A CAS No.112642-11-2 Mol. F.C59H84N16O12.C2HF3O2 Mol. W.1323.42 g/mol Stock Status Custom Synthesis

COA MSDS

(Endo-Gly31-Liraglutide)

CAT. No.L920008 CAS No.NA Mol. F.C174H268N44O52 Mol. W.3808.31 g/mol Stock Status Custom Synthesis

COA MSDS

(Gln4(Acm) desmopressin

CAT. No.D980031 CAS No.NA Mol. F.C49H69N15O13S2 Mol. W.1140.30 g/mol Stock Status Custom Synthesis

COA MSDS

(iodo-Tyr2)desmopressin

CAT. No.D980053 CAS No.NA Mol. F.C46H63IN14O12S2 Mol. W.1195.11 g/mol Stock Status Limited Stock

COA MSDS

(Kyn25)-Tirzepatide

CAT. No.T1520063 CAS No.NA Mol. F.C224H348N48O69 Mol. W.4817.52 g/mol Stock Status Custom Synthesis

COA MSDS

(NFK25)-Tirzepatide(Trp25(O2))

CAT. No.T1520066 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis

COA MSDS

(O Acetyl L Ser) Leuprolide

CAT. No.L570057 CAS No.NA Mol. F.C61H86N16O13 Mol. W.1251.46 g/mol Stock Status Custom Synthesis

COA MSDS

(S)-1-((2-((S)-2-((S)-3-(1H-imidazol-4-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanamido)-3-(1H-indol-3-yl)propanamido)acryloyl)-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)-N-ethylpyrrolidine-2-carboxamideTrifluoroacetic Acid

CAT. No.L570035 CAS No.NA Mol. F.C59H82N16O11 .C2HF3O2 Mol. W.1305.41 g/mol Stock Status Custom Synthesis

COA MSDS

Isotope Labelled Compounds

Semaglutide-d8 Tetratrifluoroacetate

CAT. No.S1420002 CAS No.NA Mol. F.C195H284D8N45O67F12 Mol. W.4577.77 g/mol Stock Status Instock

COA MSDS

Working Standards

Tirzepatide

CAT. No.T1520000 CAS No.2023788-19-2 Mol. F.C225H348N48O68 Mol. W.4813.45 g/mol Stock Status Instock

COA MSDS

Showing 49 to 72 of 467 results

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Peptide impurities

Impurity Standards

Semaglutide Des Gly-10 Impurity

Semaglutide Des Thr-11 Impurity

Semaglutide Endo Gly-10 Impurity

Semaglutide Iso Asp Impurity

Semaglutide Plus 106 Impurity

[1-29]-Semaglutide

[D-cys6] Desmopressin

[Phe2]Desmopressin

[Val]12-Tirzepatide

(10-39) Tirzepatide

(2-Hydroxy-Trp25)-Liraglutide Trifluoroacetate

(alpha-Glu)(Side chain transposition)Semaglutide

(Asn5(Acm)) Desmopressin

(D-His-endo-Ala18-Liraglutide)

(D-His2)-Leuprolide

(Endo-Gly31-Liraglutide)

(Gln4(Acm) desmopressin

(iodo-Tyr2)desmopressin

(Kyn25)-Tirzepatide

(NFK25)-Tirzepatide(Trp25(O2))

(O Acetyl L Ser) Leuprolide

(S)-1-((2-((S)-2-((S)-3-(1H-imidazol-4-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanamido)-3-(1H-indol-3-yl)propanamido)acryloyl)-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)-N-ethylpyrrolidine-2-carboxamideTrifluoroacetic Acid

Isotope Labelled Compounds

Semaglutide-d8 Tetratrifluoroacetate

Working Standards

Tirzepatide

Product structure

Sample structure