4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one CAS 3707-27-5

Purity 97%+In StockPharmaceutical Standards
CAS No.3707-27-5
Molecular FormulaC12H12ClN3O
Molecular Weight249.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one CAS 3707-27-5 chemical structure

Description

The occurrence of 4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one (CAS 3707-27-5) is a high-purity analytical reference standard with the molecular formula C12H12ClN3O and a molecular weight of 249.70 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 249.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 4-Chloro-5-(ethylamino)-2-phenylpyridazin-3(2H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC12H12ClN3O
Molecular Weight249.70 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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.)1958
Halogen ContentCl-containing
Nitrogen Atoms3

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