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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

[endo-ala18]-Liraglutide

CAT. No.L920005 CAS No.NA Mol. F.C175H270N44O52 Mol. W.3822.36 g/mol Stock Status Custom Synthesis

COA MSDS

[Endo-Ala18]-Semaglutide

CAT. No.S1420092 CAS No.NA Mol. F.C190H296N46O60 Mol. W.4184.70 g/mol Stock Status Custom Synthesis

COA MSDS

[Gln4(Acm)] Desmopressin Trifluoroacetate

CAT. No.D980056 CAS No.NA Mol. F.C49H69N15O13S2.C2HF3O2 Mol. W.1254.32 g/mol Stock Status Custom Synthesis

COA MSDS

[Glu.1,D-ser] Leuprolide

CAT. No.L570021 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis

COA MSDS

[Glu.1D-His] Leuprolide

CAT. No.L570022 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis

COA MSDS

[Glu4]-desmopressin Acetate

CAT. No.D980008 CAS No.NA Mol. F.C48H66N12O16S2 Mol. W.1131.21 g/mol Stock Status Under Synthesis

COA MSDS

[Gly9-OH]-Desmopressin acetate

CAT. No.D980009 CAS No.NA Mol. F.C48H68N13O15S2 Mol. W.1130.27 g/mol; 1070.22 g/mol (As a base) Stock Status Under Synthesis

COA MSDS

[Gly9N(CH3)2] Desmopressin

CAT. No.D980029 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis

COA MSDS

[L-Arg8] Desmopressin Acetate

CAT. No.D980036 CAS No.NA Mol. F.NA Mol. W.NA Stock Status Custom Synthesis

COA MSDS

[Ser(Ac)]4-Leuprolide,Acetyl Leuprolide

CAT. No.L570039 CAS No.NA Mol. F.C61H86N16O13 Mol. W.1251.43 g/mol Stock Status Custom Synthesis

COA MSDS

[Val]27-Tirzepatide

CAT. No.T1520068 CAS No.NA Mol. F.C224H346N48O68 Mol. W.4799.42 g/mol Stock Status Custom Synthesis

COA MSDS

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Peptide impurities

Impurity Standards

[endo-ala18]-Liraglutide

[Endo-Ala18]-Semaglutide

[Gln4(Acm)] Desmopressin Trifluoroacetate

[Glu.1,D-ser] Leuprolide

[Glu.1D-His] Leuprolide

[Glu4]-desmopressin Acetate

[Gly9-OH]-Desmopressin acetate

[Gly9N(CH3)2] Desmopressin

[L-Arg8] Desmopressin Acetate

[Ser(Ac)]4-Leuprolide,Acetyl Leuprolide

[Val]27-Tirzepatide

Product structure

Sample structure