4-Methylindole-3-carboxaldehyde

Also known as: 4-Methyl-1H-indole-3-carbaldehyde, 1H-Indole-3-carboxaldehyde, 4-methyl- (9CI), 4-Methyl-3-indolecarboxaldehyde, 4-Methyl-3-carboxaldehyde, 3-Formyl-4-methylindole, 4-METHYLINDOLE-3-ALDEHYDE, 4-METHYLINDOLE-3-CARBALDEHYDE

4-Methylindole-3-carboxaldehyde (CAS 4771-48-6) 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. Key properties include a melting point of 192-194ºC, a boiling point of 347ºC at 760 mmHg, a density of 1.226g/cm3 and a flash point of 171.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4771-48-6
Jingsj CID: J-40303-2
Molecular Formula: C₁₀H₉NO
Molecular Weight: 159.18500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	192-194ºC
Boiling Point	347ºC at 760 mmHg
Density	1.226g/cm3
Flash Point	171.6ºC
Exact Mass	159.06800
PSA	32.86000
LogP	2.28880
Refractive Index	1.698

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 4-Methylindole-3-carboxaldehyde?

The CAS number of 4-Methylindole-3-carboxaldehyde is 4771-48-6.

What are the molecular formula and molecular weight of 4-Methylindole-3-carboxaldehyde?

4-Methylindole-3-carboxaldehyde has molecular formula C10H9NO and molecular weight 159.18500 g/mol.

What are the upstream and downstream products of 4-Methylindole-3-carboxaldehyde?

For 4-Methylindole-3-carboxaldehyde, Upstream Products: 4-Methylindole, N,N-Dimethylformamide, Tetramethyltin; Downstream Products: 1,4-dimethyl-1H-indole-3-carbaldehyde.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Methylindole-3-carboxaldehyde (CAS 4771-48-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40303-2 (accessed 2026-11-09).

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