8,8-Dimethyl-10-hydro-2H,8H-pyrano[2,3-f]chromene-2,9-dione CAS 2221-67-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2221-67-2
Molecular FormulaC14H12O4
Molecular Weight244.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8,8-Dimethyl-10-hydro-2H,8H-pyrano[2,3-f]chromene-2,9-dione CAS 2221-67-2 chemical structure

Description

High-purity 8,8-Dimethyl-10-hydro-2H,8H-pyrano[2,3-f]chromene-2,9-dione (CAS 2221-67-2) pharmaceutical standards reference standard. Molecular formula: C14H12O4. Molecular weight: 244.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC14H12O4
Molecular Weight244.24 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 chloroform, dichloromethane, ethyl acetate, 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.)1957

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