Description

1,2-Dihydro-2-Methyl-3H-Indazol-3-One is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its indazole core structure makes it a valuable intermediate for the development of pharmaceuticals and agrochemicals. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those targeting central nervous system and inflammatory pathways.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic reactivity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure or functional group donor in the synthesis of electron-transport or host materials for display technologies.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing specialized azo dyes and high-performance pigments.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities and reaction methodologies in medicinal and synthetic chemistry.
• Coordination Chemistry: Can function as a ligand or precursor for metal-organic frameworks (MOFs) and catalytic complexes.

Basic Information

Product Name	1,2-Dihydro-2-Methyl-3H-Indazol-3-One
CAS No.	1848-40-4
Molecular Formula	C8H8N2O
Molecular Weight	148.16 g/mol
Synonyms	2-Methyl-1,2-dihydro-3H-indazol-3-one; 2-Methyl-2,3-dihydro-1H-indazol-3-one; 2-Methylindazol-3-one; 2-Methyl-3H-indazol-3-one; 3H-Indazol-3-one, 1,2-dihydro-2-methyl-; 2-Methyl-1,2-dihydroindazol-3-one; 2-Methyl-2H-indazol-3-ol (tautomer); 1848-40-4
EINECS	217-428-8

Quality Control

Our 1,2-Dihydro-2-Methyl-3H-Indazol-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and tests for residual solvents and heavy metals, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting all specifications are available upon request, and we support compliance with cGMP, ISO, and REACH regulations for global supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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 (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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