4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one CAS 1245646-05-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1245646-05-2
Molecular FormulaC10H13ClN2O3
Molecular Weight244.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one CAS 1245646-05-2 chemical structure

Description

CATO manufactures 4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-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.

CATO supplies 4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one (CAS 1245646-05-2), a certified reference material (molecular formula C10H13ClN2O3, MW 244.67 g/mol) for analytical method development and quality control.

Structurally, 4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one (C10H13ClN2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 244.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC10H13ClN2O3
Molecular Weight244.67 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms2

Related Chloro Standards

Recommended Standards

Why CATO?