6-nitro-4-hydroxycoumarin CAS 1641-03-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1641-03-8
Molecular FormulaC9H5NO5
Molecular Weight207.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-nitro-4-hydroxycoumarin CAS 1641-03-8 chemical structure

Description

CATO supplies 6-nitro-4-hydroxycoumarin (CAS 1641-03-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H5NO5. Molecular weight: 207.14 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H5NO5
Molecular Weight207.14 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms1

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