5-Chloro-1H-indole-2-carboxylic acid
Also known as: 5-chloroindole-2-carboxylic acid, 5-chloro-2-indolecarboxylic acid, 5-chloro-2-indolecarboxylate, 5-chloroindole-2-carboxylate, 5-Cl-ICA
5-Chloro-1H-indole-2-carboxylic acid (CAS 10517-21-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO2 and a molecular weight of 195.602 g/mol. Key properties include a melting point of 287 °C (dec.)(lit.), a boiling point of 449.7±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 225.8±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10517-21-2
- Jingsj CID
- J-24200-2
- Molecular Formula
- C9H6ClNO2
- Molecular Weight
- 195.602 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 287 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 449.7±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 225.8±23.2 °C |
| Exact Mass | 195.008713 |
| PSA | 53.09000 |
| LogP | 3.09 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.728 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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-Chloro-1H-indole-2-carboxylic acid?
The CAS number of 5-Chloro-1H-indole-2-carboxylic acid is 10517-21-2.
What are the molecular formula and molecular weight of 5-Chloro-1H-indole-2-carboxylic acid?
5-Chloro-1H-indole-2-carboxylic acid has molecular formula C9H6ClNO2 and molecular weight 195.602 g/mol.
Is 5-Chloro-1H-indole-2-carboxylic acid hazardous?
5-Chloro-1H-indole-2-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-Chloro-1H-indole-2-carboxylic acid?
For 5-Chloro-1H-indole-2-carboxylic acid, Upstream Products: Ethyl 5-chloro-1H-indole-2-carboxylate, 4-Chlorophenylhydrazine hydrochloride, 4-Chloroaniline; Downstream Products: 5-chloro-1-methyl-1H-indole-2-carboxylic acid, 5-Chloroindole, Ethyl 5-chloro-1H-indole-2-carboxylate.
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-Chloro-1H-indole-2-carboxylic acid (CAS 10517-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24200-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.