Indazole

CAS 271-44-3C7H6N2Chemical Synthesis

Indazole (CAS: 271-44-3), a heterocyclic organic compound with the formula C7H6N2 and a molecular weight of 118.14 g/mol, serves as a key building block in chemical synthesis. Its structure, featuring a benzene ring fused to a pyrazole ring, makes it valuable for creating more complex molecules. Indazole and its derivatives are frequently employed in the development of pharmaceuticals and agrochemicals, owing to their diverse biological activities.

IUPAC: 1,2-Benzodiazole,1,2-Benzopyrazole
Synonyms: 1,2-Benzodiazole1,2-Benzopyrazole

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Indazole (C7H6N2) — chemical structure, CAS 271-44-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksIndazoles

01 /Applications

Pharmaceutical Intermediate

Indazole is widely utilised as a foundational component in the synthesis of active pharmaceutical ingredients (APIs). Its structural motif is found in various drug candidates targeting a range of therapeutic areas.

Agrochemical Development

The compound serves as a precursor for the creation of novel agrochemicals, including herbicides, fungicides, and insecticides. Its derivatives can exhibit potent biological activity against agricultural pests and diseases.

Organic Synthesis Reagent

As a versatile heterocyclic building block, indazole is employed in complex organic synthesis for constructing intricate molecular architectures beyond the pharmaceutical and agrochemical sectors.

02 /Properties

Molecular weight	118.14
Empirical formula	C7H6N2
Assay	98%
Boiling point	270 °C/743 mmHg(lit.)
Melting point	145-148 °C(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

271-44-3

MDL number

MFCD00005691

PubChem substance

24895976

Beilstein registry

109676

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Indazole used for?

Indazole is primarily used as a building block in chemical synthesis, particularly for developing pharmaceuticals and agrochemicals. It also serves as a reagent in broader organic synthesis applications.

What is the CAS number and formula for Indazole?

The CAS number for Indazole is 271-44-3, and its chemical formula is C7H6N2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Indazole with an assay of 98%. This product is not classified as USP, BP, or EP grade; it is suitable for research and chemical synthesis purposes.

How should Indazole be handled safely?

Safe handling of Indazole requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Observe all general laboratory safety protocols.