2-(4-Bromophenyl)-5-chloro-4-(4-methoxyphenoxy)-2,3-dihydropyridazin-3-one CAS 551921-42-7

Purity 97%+In StockPharmaceutical Standards
CAS No.551921-42-7
Molecular FormulaC17H12BrClN2O3
Molecular Weight407.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Bromophenyl)-5-chloro-4-(4-methoxyphenoxy)-2,3-dihydropyridazin-3-one CAS 551921-42-7 chemical structure

Description

2-(4-Bromophenyl)-5-chloro-4-(4-methoxyphenoxy)-2,3-dihydropyridazin-3-one (CAS 551921-42-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H12BrClN2O3. Molecular weight: 407.65 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC17H12BrClN2O3
Molecular Weight407.65 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentCl/Br-containing
Nitrogen Atoms2

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