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6-Methyl-1H-indole-3-carboxylic acid

Also known as: 6-Methylindole-3-carboxylic acid, 6-Methyl-3-indolecarboxylic acid, 1H-Indole-3-carboxylic acid, 6-methyl-, 6-Methyl-1H-indole-3-carboxylic acid

6-Methyl-1H-indole-3-carboxylic acid (CAS 209920-43-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.184 g/mol. Key properties include a boiling point of 411.5±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 202.7±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
209920-43-4
Jingsj CID
J-1493976-5
Molecular Formula
C10H9NO2
Molecular Weight
175.184 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point411.5±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point202.7±23.2 °C
Exact Mass175.063324
PSA53.09000
LogP2.45
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.696
Storage Conditions2-8°C

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 6-Methyl-1H-indole-3-carboxylic acid?

The CAS number of 6-Methyl-1H-indole-3-carboxylic acid is 209920-43-4.

What are the molecular formula and molecular weight of 6-Methyl-1H-indole-3-carboxylic acid?

6-Methyl-1H-indole-3-carboxylic acid has molecular formula C10H9NO2 and molecular weight 175.184 g/mol.

What are the upstream and downstream products of 6-Methyl-1H-indole-3-carboxylic acid?

For 6-Methyl-1H-indole-3-carboxylic acid, Upstream Products: 6-Methyl-1H-indole; Downstream Products: 6-Methyl-1H-indole.

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

Last updated:

How to cite: Jingsj. "6-Methyl-1H-indole-3-carboxylic acid (CAS 209920-43-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493976-5 (accessed 2026-11-09).

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