2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one CAS 296770-22-4

Purity 97%+In StockPharmaceutical Standards
CAS No.296770-22-4
Molecular FormulaC15H12ClN3O
Molecular Weight285.73 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one CAS 296770-22-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 285.73 g/mol gives 2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one (CAS 296770-22-4), a certified reference material (molecular formula C15H12ClN3O, MW 285.73 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H12ClN3O, 2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 285.73 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), 2-(2-Amino-5-chlorophenyl)-4-methylphthalazin-1(2H)-one 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 FormulaC15H12ClN3O
Molecular Weight285.73 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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