Thymalfasin impurity 20 CAS CATO-C4X-189820

Description

CATO supplies Thymalfasin impurity 20 (CAS CATO-C4X-189820), a pharmacopoeial impurity reference standard (molecular formula N/A, MW N/A g/mol) used for the identification and quantification of trace impurities in APIs.

Thymalfasin impurity 20 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

CATO manufactures Thymalfasin impurity 20 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.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com