1H-Indole-2-carboxaldehyde, 3-methyl-

3-甲基-1H-吲哚-2-甲醛

Also known as: 3-Methyl-1H-indole-2-carbaldehyde, 3-Methylindole-2-carboxaldehyde, 3-Methylindole-2-carbaldehyde, 2-Formyl-3-methylindole, NSC125870, TIMTEC-BB SBB010412

1H-Indole-2-carboxaldehyde, 3-methyl- (CAS 5257-24-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.18500 g/mol. It is also known as 3-Methyl-1H-indole-2-carbaldehyde, 3-Methylindole-2-carboxaldehyde and 3-Methylindole-2-carbaldehyde. Key properties include a melting point of 140-142°C, a boiling point of 344.2ºC at 760mmHg, a density of 1.226g/cm3 and a flash point of 169.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5257-24-9
Jingsj CID
J-1445246-6
Molecular Formula
C10H9NO
Chinese Name
3-甲基-1H-吲哚-2-甲醛
Molecular Weight
159.18500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140-142°C
Boiling Point344.2ºC at 760mmHg
Density1.226g/cm3
Flash Point169.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1H-Indole-2-carboxaldehyde, 3-methyl-?

The CAS number of 1H-Indole-2-carboxaldehyde, 3-methyl- is 5257-24-9.

What are the molecular formula and molecular weight of 1H-Indole-2-carboxaldehyde, 3-methyl-?

1H-Indole-2-carboxaldehyde, 3-methyl- has molecular formula C10H9NO and molecular weight 159.18500 g/mol.

Is 1H-Indole-2-carboxaldehyde, 3-methyl- hazardous?

1H-Indole-2-carboxaldehyde, 3-methyl- has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1H-Indole-2-carboxaldehyde, 3-methyl- (CAS 5257-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445246-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.