5-Fluoroindole-2-carboxylic acid
Also known as: 5-Fluoro-1H-indole-2-carboxylic acid, 2-Carboxy-5-fluoroindole, 5-Fluorindole-2-carboxylic acid
5-Fluoroindole-2-carboxylic acid (CAS 399-76-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6FNO2 and a molecular weight of 179.148 g/mol. Key properties include a melting point of 259 °C (dec.)(lit.), a boiling point of 422.2±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 209.1±23.2 °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.
- 399-76-8
- Jingsj CID
- J-34601-0
- Molecular Formula
- C9H6FNO2
- Molecular Weight
- 179.148 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 259 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 422.2±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 209.1±23.2 °C |
| Exact Mass | 179.038254 |
| PSA | 53.09000 |
| LogP | 2.45 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.692 |
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 5-Fluoroindole-2-carboxylic acid?
The CAS number of 5-Fluoroindole-2-carboxylic acid is 399-76-8.
What are the molecular formula and molecular weight of 5-Fluoroindole-2-carboxylic acid?
5-Fluoroindole-2-carboxylic acid has molecular formula C9H6FNO2 and molecular weight 179.148 g/mol.
Is 5-Fluoroindole-2-carboxylic acid hazardous?
5-Fluoroindole-2-carboxylic acid 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-Fluoroindole-2-carboxylic acid?
For 5-Fluoroindole-2-carboxylic acid, Upstream Products: Ethyl 5-fluoro-1H-indole-2-carboxylate, 4-Fluorophenylhydrazine hydrochloride, 4-Fluoroaniline; Downstream Products: Ethyl 5-fluoro-1H-indole-2-carboxylate, (5-Fluoro-1H-indol-3-yl)acetic acid, 5-Fluoroindole.
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-Fluoroindole-2-carboxylic acid (CAS 399-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34601-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.