4-Ethyl-2,6-diphenylpyrylium tetrafluoroborate CAS 56179-53-4

Purity 97%+In StockPharmaceutical Standards
CAS No.56179-53-4
Molecular FormulaC19H17O BF4
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethyl-2,6-diphenylpyrylium tetrafluoroborate CAS 56179-53-4 chemical structure

Description

4-Ethyl-2,6-diphenylpyrylium tetrafluoroborate (CAS 56179-53-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17O BF4. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H17O BF4
Molecular Weight348.15 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973
Halogen ContentF-containing

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