Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2 CAS CATO-C4X-324720

Description

CATO manufactures Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2 (CAS CATO-C4X-324720), molecular formula C32H61N17O9S2 and molecular weight 892.07 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Ac-D-Cys(H-Cys-OH)-D-Ala-D-Arg-D-Arg-D-Ala-D-Arg-NH2 (C32H61N17O9S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 892.07 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

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