Capivasertib Impurity 45 CAS CATO-C4X-331245

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-331245
Molecular FormulaC6H4ClN3S
Molecular Weight185.63 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Capivasertib Impurity 45 CAS CATO-C4X-331245 chemical structure

Description

Capivasertib Impurity 45 (CAS CATO-C4X-331245) is a certified pharmaceutical impurity reference standard with the molecular formula C6H4ClN3S and a molecular weight of 185.63 g/mol.

Capivasertib Impurity 45 (C6H4ClN3S) contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), Capivasertib Impurity 45 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H4ClN3S
Molecular Weight185.63 g/mol
Purity≥95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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