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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

(Trp25(tBu))-Semaglutide

CAT. No.S1420117 CAS No.NA Mol. F.C191H299N45O59 Mol. W.4169.70 g/mol Stock Status Custom Synthesis
COA MSDS

1-2 Hydrolysis Calcitonin

CAT. No.C1380041 CAS No.NA Mol. F.C145H242N44O49S2 Mol. W.3449.90 g/mol Stock Status Custom Synthesis
COA MSDS

2-oxo-His Liraglutide

CAT. No.L920051 CAS No.NA Mol. F.C172H265N43O52 Mol. W.3767.20 g/mol Stock Status Custom Synthesis
COA MSDS

2-Oxo-His Semaglutide

CAT. No.S1420036 CAS No.NA Mol. F.C187H289N45O60 Mol. W.4127.60 g/mol Stock Status Custom Synthesis
COA MSDS

3-Cyclo-Asn Calcitonin

CAT. No.C1380014 CAS No.NA Mol. F.C145H237N43O48S2 Mol. W.3414.82 g/mol Stock Status Custom Synthesis
COA MSDS

5-9-Leuprolide

CAT. No.L570041 CAS No.129244-90-2 Mol. F.C34H57N9O6 Mol. W.687.89 g/mol Stock Status Custom Synthesis
COA MSDS

5-9-Leuprolide Trifluoroacetate

CAT. No.L570053 CAS No.129244-90-2 (free base) Mol. F.C34H57N9O6.C2HF3O2 Mol. W.801.90 g/mol Stock Status Custom Synthesis
COA MSDS

9-Glycine Desmopressin

CAT. No.D980022 CAS No.NA Mol. F.C46H63N13O13S2 Mol. W.NA Stock Status Custom Synthesis
COA MSDS

Ac-Cys(1)-CS

CAT. No.C1380020 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis
COA MSDS

Acetylated Semaglutide

CAT. No.S1420093 CAS No.NA Mol. F.C189H293N45O60 Mol. W.4155.61 g/mol Stock Status Custom Synthesis
COA MSDS

Asp 26 Calcitonin

CAT. No.C1380012 CAS No.NA Mol. F.C145H239N43O49S2 Mol. W.3432.88 g/mol Stock Status Custom Synthesis
COA MSDS

Aspartamide (26) Calcitonin

CAT. No.C1380055 CAS No.NA Mol. F.C145H237N43O48S2 Mol. W.3414.90 g/mol Stock Status Custom Synthesis
COA MSDS

Aspartamide (3) Calcitonin

CAT. No.C1380058 CAS No.NA Mol. F.C145H237N43O48S2 Mol. W.3414.90 g/mol Stock Status Custom Synthesis
COA MSDS

beta-Ala(8)-Tirzepatide

CAT. No.T1520094 CAS No.NA Mol. F.C225H348N48O67 Mol. W.4797.53 g/mol Stock Status Custom Synthesis
COA MSDS

Beta-Asp(9)-Liraglutide

CAT. No.L920018 CAS No.NA Mol. F.C172H265N43O51 Mol. W.3751.26 g/mol Stock Status Custom Synthesis
COA MSDS

Beta-Asp9 Semaglutide

CAT. No.S1420012 CAS No.NA Mol. F.C187H291N45O59 Mol. W.4113.60 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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