8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one CAS 110533-92-1

Purity 97%+In StockPharmaceutical Standards
CAS No.110533-92-1
Molecular FormulaC11H9IO3
Molecular Weight316.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one CAS 110533-92-1 chemical structure

Description

The occurrence of 8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one (CAS 110533-92-1) is a high-purity analytical reference standard with the molecular formula C11H9IO3 and a molecular weight of 316.09 g/mol.

Structurally, 8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one (C11H9IO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 316.09 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 8-Iodo-7-methoxy-4-methyl-2H-chromen-2-one 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 FormulaC11H9IO3
Molecular Weight316.09 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentI-containing

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