Description

3H-Pyrazol-3-One, 1-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl- is a high-purity, specialized heterocyclic compound belonging to the pyrazolone class. This chemical serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block in organic synthesis. It is essential for research and development chemists and manufacturers in the pharmaceutical, agrochemical, and material science sectors who require precise molecular structures for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used as a core scaffold for developing new-generation herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic systems for material science applications, including organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology Probe: Serves as a molecular tool for studying enzyme inhibition and protein-ligand interactions in biochemical research.
• Dye & Pigment Intermediate: Potential use in the synthesis of specialized colorants and photographic chemicals due to its conjugated structure.

Basic Information

Product Name	3H-Pyrazol-3-One, 1-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl-
CAS No.	1782285-05-5
Molecular Formula	C12H14N2O
Molecular Weight	202.25 g/mol
Synonyms	1-(3,4-Dimethylphenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one; 5-Methyl-1-(3,4-dimethylphenyl)-1,2-dihydro-3H-pyrazol-3-one; 1-(3,4-Dimethylphenyl)-5-methyl-2H-pyrazol-3(1H)-one; 1,2-Dihydro-5-methyl-1-(3,4-dimethylphenyl)-3H-pyrazol-3-one; 1-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one; 3H-Pyrazol-3-one, 1-(3,4-dimethylphenyl)-1,2-dihydro-5-methyl-; 1782285-05-5
EINECS	Contact for details

Quality Control

Our 3H-Pyrazol-3-One, 1-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.