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5-Methylindole

Also known as: 1H-Indole, 5-methyl-, 5-Methylindol, 5-Methyl-1H-indole, MFCD00005680, EINECS 210-400-9, NSC 522562

5-Methylindole (CAS 614-96-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N and a molecular weight of 131.17 g/mol. Key properties include a melting point of 60-62 °C(lit.), a boiling point of 269.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 114.7±11.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
614-96-0
Jingsj CID
J-898640-1
Molecular Formula
C9H9N
Molecular Weight
131.17 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point60-62 °C(lit.)
Boiling Point269.0±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point114.7±11.3 °C
Exact Mass131.073502
PSA15.79000
LogP2.60
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.655

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 5-Methylindole?

The CAS number of 5-Methylindole is 614-96-0.

What are the molecular formula and molecular weight of 5-Methylindole?

5-Methylindole has molecular formula C9H9N and molecular weight 131.17 g/mol.

Is 5-Methylindole hazardous?

5-Methylindole has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 5-Methylindole?

For 5-Methylindole, Upstream Products: 2-Ethynyl-4-methylaniline, 5-methyl-1H-indole-3-carbaldehyde, Triethanolamine hydrochloride; Downstream Products: 5-Methylindolin-2-one, 1-(tert-Butoxycarbonyl)-5-methyl-1H-indol-2-ylboronic acid, 6-Methyl-2H-3,1-benzoxazine-2,4(1H)-dione.

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

Last updated:

How to cite: Jingsj. "5-Methylindole (CAS 614-96-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-898640-1 (accessed 2026-11-09).

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