5-methoxy-3-methyl-1H-indole
Also known as: 1H-Indole, 5-methoxy-3-methyl-, 3-methyl-5-methoxyindole, 5-Methoxy-3-methyl-indol, 5-methoxy-3-methylindole, 5-methoxyskatole
5-methoxy-3-methyl-1H-indole (CAS 21987-25-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11NO and a molecular weight of 161.200 g/mol. Key properties include a boiling point of 308.5±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 113.1±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21987-25-7
- Jingsj CID
- J-1034599-0
- Molecular Formula
- C10H11NO
- Molecular Weight
- 161.200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 308.5±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 113.1±12.6 °C |
| Exact Mass | 161.084061 |
| PSA | 25.02000 |
| LogP | 2.52 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.622 |
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 5-methoxy-3-methyl-1H-indole?
The CAS number of 5-methoxy-3-methyl-1H-indole is 21987-25-7.
What are the molecular formula and molecular weight of 5-methoxy-3-methyl-1H-indole?
5-methoxy-3-methyl-1H-indole has molecular formula C10H11NO and molecular weight 161.200 g/mol.
What are the upstream and downstream products of 5-methoxy-3-methyl-1H-indole?
For 5-methoxy-3-methyl-1H-indole, Upstream Products: 5-Methoxygramine, Triisopropanolamine, p-Anisidine.
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-methoxy-3-methyl-1H-indole (CAS 21987-25-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034599-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.