Description

2-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl-3H-Pyrazol-3-One is a high-purity, specialized heterocyclic organic compound belonging to the pyrazolone class. This chemical is a critical advanced pharmaceutical intermediate (API) and a versatile building block for the synthesis of more complex molecules. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used as a building block for developing new active ingredients in crop protection and pesticide formulations.
• Material Science: Serves as a monomer or additive in the research of specialty polymers and advanced organic materials.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of high-performance, complex organic colorants.
• Academic & Industrial R&D: Employed in chemical research for studying reaction mechanisms and developing new synthetic methodologies.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	2-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl-3H-Pyrazol-3-One
CAS No.	277299-70-4
Molecular Formula	C12H14N2O
Molecular Weight	202.25 g/mol
Synonyms	5-Methyl-2-(3,4-dimethylphenyl)-2,4-dihydro-3H-pyrazol-3-one; 2-(3,4-Dimethylphenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 2-(3,4-dimethylphenyl)-1,2-dihydro-5-methyl-; Pyrazolone derivative CAS 277299-70-4; 3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one; 1-(3,4-Dimethylphenyl)-3-methyl-5-pyrazolone
EINECS	Contact for details

Quality Control

Our production of 2-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl-3H-Pyrazol-3-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. We support cGMP and ISO compliant manufacturing for pharmaceutical-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.