1-Methyl-1H-indole-6-carbaldehyde
Also known as: 1-Methyl-1H-indole-6-carboxaldehyde, 1-Methyl-1H-indol-6-carbaldehyde, 6-Formyl-1-methylindole, 1H-Indole-6-carboxaldehyde, 1-methyl- (9CI), 1-methyl-6-indolecarbaldehyde, 1-methylindole-6-carbaldehyde
1-Methyl-1H-indole-6-carbaldehyde (CAS 21005-45-8) 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 81ºC, a boiling point of 318.7ºC at 760mmHg, a density of 1.1g/cm3 and a flash point of 146.5ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H412 — Harmful to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21005-45-8
- Jingsj CID
- J-1526783-1
- Molecular Formula
- C10H9NO
- Molecular Weight
- 159.18500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 81ºC |
|---|---|
| Boiling Point | 318.7ºC at 760mmHg |
| Density | 1.1g/cm3 |
| Flash Point | 146.5ºC |
| Exact Mass | 159.06800 |
| PSA | 22.00000 |
| LogP | 1.99080 |
| Vapor Pressure | 0.000356mmHg at 25°C |
| Refractive Index | 1.585 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H412 — Harmful to aquatic life with long lasting effects
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 1-Methyl-1H-indole-6-carbaldehyde?
The CAS number of 1-Methyl-1H-indole-6-carbaldehyde is 21005-45-8.
What are the molecular formula and molecular weight of 1-Methyl-1H-indole-6-carbaldehyde?
1-Methyl-1H-indole-6-carbaldehyde has molecular formula C10H9NO and molecular weight 159.18500 g/mol.
Is 1-Methyl-1H-indole-6-carbaldehyde hazardous?
1-Methyl-1H-indole-6-carbaldehyde has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H412 — Harmful to aquatic life with long lasting effects.
What are the upstream and downstream products of 1-Methyl-1H-indole-6-carbaldehyde?
For 1-Methyl-1H-indole-6-carbaldehyde, Upstream Products: Indole-6-carboxaldehyde, iodomethane, 1H-Indol-6-ylmethanol; Downstream Products: N-Methyl-1-(1-methyl-1H-indol-6-yl)methanamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-1H-indole-6-carbaldehyde (CAS 21005-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526783-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.