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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

D-Leu(26)-Tirzepatide

CAT. No.T1520018 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.53 g/mol Stock Status Custom Synthesis
COA MSDS

D-Lys(20)-Semaglutide

CAT. No.S1420103 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.64 g/mol Stock Status Custom Synthesis
COA MSDS

D-Lys-16-Tirzepatide

CAT. No.T1520036 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.50 g/mol Stock Status Custom Synthesis
COA MSDS

D-Lys-20-Tirzepatide

CAT. No.T1520037 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.50 g/mol Stock Status Custom Synthesis
COA MSDS

D-Lys-Tirzepatide

CAT. No.T1520078 CAS No.NA Mol. F.C66H105N5O16 Mol. W.1224.60 g/mol Stock Status Custom Synthesis
COA MSDS

D-Phe-22-Semaglutide

CAT. No.S1420102 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.60 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser(14)-Semaglutide

CAT. No.S1420049 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.64 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser(17)-Liraglutide

CAT. No.L920040 CAS No.NA Mol. F.C172H265N43O51 Mol. W.3751.56 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser(8)-Liraglutide

CAT. No.L920020 CAS No.NA Mol. F.C172H265N43O51 Mol. W.3751.26 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser-12- Semaglutide

CAT. No.S1420014 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.60 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser-leuprolide

CAT. No.L570004 CAS No.62621-13-0 Mol. F.C59H84N16O12 Mol. W.1209.40 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser33-Tirzepatide

CAT. No.T1520050 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.53 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser39-Tirzepatide

CAT. No.T1520051 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.53 g/mol Stock Status Custom Synthesis
COA MSDS

D-Ser8-Tirzepatide

CAT. No.T1520021 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.53 g/mol Stock Status Custom Synthesis
COA MSDS

D-Thr(5)-Semaglutide

CAT. No.S1420090 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.58 g/mol Stock Status Custom Synthesis
COA MSDS

D-Trp(25)-Semaglutide

CAT. No.S1420101 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.64 g/mol Stock Status Custom Synthesis
COA MSDS

D-Trp-25-Tirzepatide

CAT. No.T1520038 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.50 g/mol Stock Status Custom Synthesis
COA MSDS

D-Tyr(1)-Tirzepatide

CAT. No.T1520031 CAS No.NA Mol. F.C225H348N48O68 Mol. W.4813.53 g/mol Stock Status Custom Synthesis
COA MSDS

D-Tyr(13)-Semaglutide

CAT. No.S1420105 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.64 g/mol Stock Status Custom Synthesis
COA MSDS

D-Val(16)-Liraglutide

CAT. No.L920039 CAS No.NA Mol. F.C172H265N43O51 Mol. W.3751.56 g/mol Stock Status Custom Synthesis
COA MSDS

D-[Pyr]1-Leuprolide

CAT. No.L570040 CAS No.NA Mol. F.C59H84N16O12 Mol. W.1209.40 g/mol Stock Status Custom Synthesis
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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