Phenyl 4-oxo-3-[3-(trifluoromethyl)phenyl]-3,4-dihydrophthalazine-1-carboxylate CAS 338976-05-9

Purity 97%+In StockPharmaceutical Standards
CAS No.338976-05-9
Molecular FormulaC22H13F3N2O3
Molecular Weight410.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Phenyl 4-oxo-3-[3-(trifluoromethyl)phenyl]-3,4-dihydrophthalazine-1-carboxylate CAS 338976-05-9 chemical structure

Description

Phenyl 4-oxo-3-[3-(trifluoromethyl)phenyl]-3,4-dihydrophthalazine-1-carboxylate (CAS 338976-05-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H13F3N2O3. Molecular weight: 410.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC22H13F3N2O3
Molecular Weight410.35 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Nitrogen Atoms2

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