3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-) CAS 166043-74-9

Purity 97%+In StockPharmaceutical Standards
CAS No.166043-74-9
Molecular FormulaC20H6Br4O5
Molecular Weight645.87 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-) CAS 166043-74-9 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 3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-).

CATO supplies 3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-) (CAS 166043-74-9), a certified reference material (molecular formula C20H6Br4O5, MW 645.87 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H6Br4O5, 3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 645.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 3H-Xanthen-6-yloxy, 2,4,5,7-tetrabromo-9-(2-carboxyphenyl)-3-oxo-, ion(1-) 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 FormulaC20H6Br4O5
Molecular Weight645.87 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2004
Halogen ContentBr-containing

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