Description

3H-Indazol-3-One, 5-Methyl- (9Ci) is a high-purity heterocyclic organic compound, a key building block in advanced chemical synthesis. This specialized intermediate is critical for research and development in life sciences, enabling the creation of novel molecular architectures. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers focused on developing new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold in the synthesis of novel drug candidates, particularly in oncology and CNS therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Acts as a precursor for advanced organic electronic materials and specialty polymers.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO laboratories.
• Chemical Biology: Employed as a probe or linker in the development of biochemical tools and diagnostic agents.

Basic Information

Product Name	3H-Indazol-3-One, 5-Methyl- (9Ci)
CAS No.	705927-67-9
Molecular Formula	C8H8N2O
Molecular Weight	148.16 g/mol
Synonyms	5-Methyl-1H-indazol-3(2H)-one; 5-Methyl-3H-indazol-3-one; 5-Methylindazol-3-one; 5-Methyl-2,3-dihydro-1H-indazol-3-one; 5-Methyl-1,2-dihydro-3H-indazol-3-one
EINECS	Contact for details

Quality Control

Our 3H-Indazol-3-One, 5-Methyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to minimize moisture exposure.

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	≤ 10 ppm

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