Bendroflumethiazide EP Impurity A CAS 654-62-6

Purity 97%+In StockPharmaceutical Standards
CAS No.654-62-6
Molecular FormulaC7H8F3N3O4S2
Molecular Weight319.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bendroflumethiazide EP Impurity A CAS 654-62-6 chemical structure

Description

The occurrence of Bendroflumethiazide EP Impurity A is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Bendroflumethiazide EP Impurity A (CAS 654-62-6), molecular formula C7H8F3N3O4S2 and molecular weight 319.28 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H8F3N3O4S2, Bendroflumethiazide EP Impurity A contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 319.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 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.

As a certified reference material (CRM), Bendroflumethiazide EP Impurity A 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 FormulaC7H8F3N3O4S2
Molecular Weight319.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF-containing
Nitrogen Atoms3
Sulfur Atoms2

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