Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate CAS 6359-04-2

Purity 97%+In StockPharmaceutical Standards
CAS No.6359-04-2
Molecular FormulaC22H11Br4O5
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate CAS 6359-04-2 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate.

Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate (CAS 6359-04-2), molecular formula C22H11Br4O5K and molecular weight 714.04 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a salt form, a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution, Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 714.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), Potassium 2,4,5,7-tetrabromo-9-(2-(methoxycarbonyl)phenyl)-3-oxo-3H-xanthen-6-olate 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 FormulaC22H11Br4O5 K
Molecular Weight714.04 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)15.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentBr-containing

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