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1H-Indazole-6-carboxylic acid

Also known as: 1H-Indazole-6-carboxylic acid, Indazole-6-carboxylic acid, 6-Carboxy-1H-indazole, 6-(1H)Indazole carboxylic acid

1H-Indazole-6-carboxylic acid (CAS 704-91-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2 and a molecular weight of 162.145 g/mol. Key properties include a melting point of 302-307ºC, a boiling point of 443.7±18.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 222.2±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
704-91-6
Jingsj CID
J-1526142-4
Molecular Formula
C8H6N2O2
Molecular Weight
162.145 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point302-307ºC
Boiling Point443.7±18.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point222.2±21.2 °C
Exact Mass162.042923
PSA65.98000
LogP1.50
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.743

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1H-Indazole-6-carboxylic acid?

The CAS number of 1H-Indazole-6-carboxylic acid is 704-91-6.

What are the molecular formula and molecular weight of 1H-Indazole-6-carboxylic acid?

1H-Indazole-6-carboxylic acid has molecular formula C8H6N2O2 and molecular weight 162.145 g/mol.

What are the upstream and downstream products of 1H-Indazole-6-carboxylic acid?

For 1H-Indazole-6-carboxylic acid, Upstream Products: Methyl 1H-indazole-6-carboxylate, 1H-Indazole-6-carbonitrile, 3-Amino-4-methylbenzoic acid; Downstream Products: 1H-Indazol-6-ylmethanol, Methyl 3-iodo-1H-indazole-6-carboxylate, Methyl 1H-indazole-6-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1H-Indazole-6-carboxylic acid (CAS 704-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526142-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.