N'-(4-(tert-Butyl)benzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide CAS 402840-91-9

Description

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.

N'-(4-(tert-Butyl)benzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide (CAS 402840-91-9), molecular formula C24H24N4OS and molecular weight 416.54 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N'-(4-(tert-Butyl)benzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide (C24H24N4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 416.54 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures N'-(4-(tert-Butyl)benzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide 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

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