5-((4-Bromophenyl)thio)-4-chloro-2-(3-chlorophenyl)pyridazin-3(2H)-one CAS 320421-80-5

Purity 97%+In StockPharmaceutical Standards
CAS No.320421-80-5
Molecular FormulaC16H9BrCl2N2OS
Molecular Weight428.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-((4-Bromophenyl)thio)-4-chloro-2-(3-chlorophenyl)pyridazin-3(2H)-one CAS 320421-80-5 chemical structure

Description

5-((4-Bromophenyl)thio)-4-chloro-2-(3-chlorophenyl)pyridazin-3(2H)-one (CAS 320421-80-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H9BrCl2N2OS. Molecular weight: 428.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC16H9BrCl2N2OS
Molecular Weight428.13 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl/Br-containing
Nitrogen Atoms2
Sulfur Atoms1

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