Eltrombopag Impurity 41 CAS 17933-03-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.17933-03-8
Molecular FormulaC7H9BO2
Molecular Weight135.96 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Eltrombopag Impurity 41 CAS 17933-03-8 chemical structure

Description

As a certified reference material (CRM), Eltrombopag Impurity 41 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.

CATO supplies Eltrombopag Impurity 41 (CAS 17933-03-8), a pharmacopoeial impurity reference standard (molecular formula C7H9BO2, MW 135.96 g/mol) used for the identification and quantification of trace impurities in APIs.

Structurally, Eltrombopag Impurity 41 (C7H9BO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 135.96 g/mol, it falls into the low-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.

Physical & Chemical Properties

Molecular FormulaC7H9BO2
Molecular Weight135.96 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962

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