4-Methoxyindole
Also known as: 4-METHOXY-1H-INDOLE, 4-METHOXYINDOLE, 4-METHOXYLINDOLE, AKOS JY2082619, Methoxyindole,98%, 1H-Indole, 4-methoxy-, MFCD00009737, 4-Methoxyindole,99%
4-Methoxyindole (CAS 4837-90-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.17 g/mol. Key properties include a melting point of 69-70 °C(lit.), a boiling point of 306.9±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 109.2±10.1 °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.
- 4837-90-5
- Jingsj CID
- J-19126-4
- Molecular Formula
- C9H9NO
- Molecular Weight
- 147.17 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 69-70 °C(lit.) |
|---|---|
| Boiling Point | 306.9±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 109.2±10.1 °C |
| Exact Mass | 147.068420 |
| PSA | 25.02000 |
| LogP | 2.06 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.637 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Methoxyindole?
The CAS number of 4-Methoxyindole is 4837-90-5.
What are the molecular formula and molecular weight of 4-Methoxyindole?
4-Methoxyindole has molecular formula C9H9NO and molecular weight 147.17 g/mol.
Is 4-Methoxyindole hazardous?
4-Methoxyindole 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 4-Methoxyindole?
For 4-Methoxyindole, Upstream Products: 4-Methoxyindole-2-carboxylic acid, 4-Hydroxyindole, iodomethane; Downstream Products: 4-Methoxy-1H-indole-3-carbaldehyde, 2-(4-methoxy-1H-indol-3-yl)acetonitrile, 4-Methoxy-1-methyl-1H-indole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methoxyindole (CAS 4837-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19126-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.