4-(Furan-2-yl)-5-oxo-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile CAS 478261-81-3

Purity 97%+In StockPharmaceutical Standards
CAS No.478261-81-3
Molecular FormulaC18H14N2O3
Molecular Weight306.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Furan-2-yl)-5-oxo-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile CAS 478261-81-3 chemical structure

Description

4-(Furan-2-yl)-5-oxo-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 478261-81-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14N2O3. Molecular weight: 306.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H14N2O3
Molecular Weight306.32 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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