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

1-甲基吲哚-2-甲醛

Also known as: 1-Methyl-1H-indole-2-carbaldehyde, 1-Methyl-2-formylindole, 1-Methylindole-2-carboxaldehyde, 2-Formyl-1-methyl-1H-indole, 2-Formyl-1-methylindole, MFCD01863665, N-methyl-2-indolecarboxaldehyde, NSC 106285, 1H-Indole-2-carboxaldehyde, 1-methyl- (9CI), 1-methylindole-2-carbaldehyde

1H-Indole-2-carboxaldehyde, 1-methyl- (CAS 27421-51-8) 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 1-Methyl-1H-indole-2-carbaldehyde, 1-Methyl-2-formylindole and 1-Methylindole-2-carboxaldehyde. Key properties include a melting point of 81-85ºC(lit.), a boiling point of 318.7ºC at 760mmHg, a density of 1.1g/cm3 and a flash point of 146.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27421-51-8
Jingsj CID
J-35095-2
Molecular Formula
C10H9NO
Chinese Name
1-甲基吲哚-2-甲醛
Molecular Weight
159.18500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point81-85ºC(lit.)
Boiling Point318.7ºC at 760mmHg
Density1.1g/cm3
Flash Point146.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 1H-Indole-2-carboxaldehyde, 1-methyl- is 27421-51-8.

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

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

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

1H-Indole-2-carboxaldehyde, 1-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, 1-methyl- (CAS 27421-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35095-2 (accessed 2026-10-22).

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