(6,7-Dihydroxy-2-oxo-2H-chromen-4-yl)methyl 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylate CAS 735289-89-1

Purity 97%+In StockPharmaceutical Standards
CAS No.735289-89-1
Molecular FormulaC25H16N2O7
Molecular Weight456.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(6,7-Dihydroxy-2-oxo-2H-chromen-4-yl)methyl 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylate CAS 735289-89-1 chemical structure

Description

(6,7-Dihydroxy-2-oxo-2H-chromen-4-yl)methyl 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylate (CAS 735289-89-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H16N2O7. Molecular weight: 456.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC25H16N2O7
Molecular Weight456.40 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms2

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