4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate CAS 1486-69-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1486-69-7
Molecular FormulaC24H20O11
Molecular Weight484.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate CAS 1486-69-7 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 4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate.

4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate (CAS 1486-69-7) is a high-purity analytical reference standard with the molecular formula C24H20O11 and a molecular weight of 484.41 g/mol.

Structurally, 4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate (C24H20O11) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 484.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-(5,7-Diacetoxy-3-methoxy-4-oxo-4H-chromen-2-yl)-1,2-phenylene diacetate 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 FormulaC24H20O11
Molecular Weight484.41 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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