2,3,7-Trimethylindole
2,3,7-三甲基吲哚
Also known as: 2,3,7-Trimethyl-1H-indole, 1H-Indole,2,3,7-trimethyl-, 2,3,7-Trimethyl-indol, NSC 90785, MFCD00044721
2,3,7-Trimethylindole (CAS 27505-78-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13N and a molecular weight of 159.228 g/mol. It is also known as 2,3,7-Trimethyl-1H-indole, 1H-Indole,2,3,7-trimethyl- and 2,3,7-Trimethyl-indol. Key properties include a boiling point of 282.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 123.9±11.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27505-78-8
- Jingsj CID
- J-6435-8
- Molecular Formula
- C11H13N
- Chinese Name
- 2,3,7-三甲基吲哚
- Molecular Weight
- 159.228 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 282.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 123.9±11.3 °C |
| Exact Mass | 159.104797 |
| PSA | 15.79000 |
| LogP | 3.52 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.621 |
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 2,3,7-Trimethylindole?
The CAS number of 2,3,7-Trimethylindole is 27505-78-8.
What are the molecular formula and molecular weight of 2,3,7-Trimethylindole?
2,3,7-Trimethylindole has molecular formula C11H13N and molecular weight 159.228 g/mol.
What are the upstream and downstream products of 2,3,7-Trimethylindole?
For 2,3,7-Trimethylindole, Upstream Products: o-Tolylhydrazine hydrochloride, o-Toluidine, 2,3-Butanediol; Downstream Products: 1-(2-Amino-3-methylphenyl)ethanone.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,7-Trimethylindole (CAS 27505-78-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6435-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.