C7H6N2
118.14 g/mol
OtherWarning
1H-Indazole
CAS271-44-3EC205-978-4
Category
Other
Compound Class
n.a
Primary Use
research compound
1H-Indazole is a bicyclic aromatic organic compound formed by the fusion of a benzene ring with a pyrazole ring. It is the parent structure for a variety of indazole derivatives.
laboratory reagentpharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 1H-Indazole (CAS 271-44-3) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1H-indazole
InChIKey
BAXOFTOLAUCFNW-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=NN2
Synonyms (21)
- 1,2-Benzodiazole
- 1,2-Benzopyrazole
- 1,2-Diazaindene
- 1,2-Diazaindene (VAN)
- 1H-Benzopyrazole
- 1H-Indazole
- 1H-indazol
- 2-Azaindole
- 2-Azoindole
- 2H-indazole
- 2vta
- 4b2i
- Azaindole
- Benzopyrazole
- Indazole
- Indazole, 5
- Indazole, 6
- Indazoles
- Isoindazole
- indazol
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