7,8-Dihydroxy-6-nitro-2-oxo-2H-chromene-3-carboxylic acid CAS 388118-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.388118-89-6
Molecular FormulaC10H5NO8
Molecular Weight267.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7,8-Dihydroxy-6-nitro-2-oxo-2H-chromene-3-carboxylic acid CAS 388118-89-6 chemical structure

Description

High-purity 7,8-Dihydroxy-6-nitro-2-oxo-2H-chromene-3-carboxylic acid (CAS 388118-89-6) pharmaceutical standards reference standard. Molecular formula: C10H5NO8. Molecular weight: 267.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC10H5NO8
Molecular Weight267.15 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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