Tucatinib Impurity 9 CAS CATO-C4X-26059

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-26059
Molecular FormulaC13H17N5S
Molecular Weight275.37 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tucatinib Impurity 9 CAS CATO-C4X-26059 chemical structure

Description

Tucatinib Impurity 9 (CAS CATO-C4X-26059) is a certified pharmaceutical impurity reference standard with the molecular formula C13H17N5S and a molecular weight of 275.37 g/mol.

Structurally, Tucatinib Impurity 9 (C13H17N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 275.37 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Tucatinib Impurity 9 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

Molecular FormulaC13H17N5S
Molecular Weight275.37 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms5
Sulfur Atoms1

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