4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone CAS 175135-72-5

Purity 97%+In StockPharmaceutical Standards
CAS No.175135-72-5
Molecular FormulaC11H9Cl2FN4O
Molecular Weight303.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone CAS 175135-72-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 303.12 g/mol gives 4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone (CAS 175135-72-5), a certified reference material (molecular formula C11H9Cl2FN4O, MW 303.12 g/mol) for analytical method development and quality control.

The molecular framework of 4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone (C11H9Cl2FN4O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-Chloro-2-(3-chloro-4-fluorophenyl)-5-(1-methylhydrazino)-3-(2H)-pyridazinone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC11H9Cl2FN4O
Molecular Weight303.12 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2007
Halogen ContentF/Cl-containing
Nitrogen Atoms4

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