5-Nitro-1H-indole-2-carboxylic acid
Also known as: 5-Nitroindole-2-carboxylic acid, 1H-Indole-2-carboxylic acid, 5-nitro-, 2-Carboxy-5-nitro-1H-indole, 5-Nitro-2-indolecarboxylic acid, 5-Nitroindole-2-carboxylicaicd
5-Nitro-1H-indole-2-carboxylic acid (CAS 16730-20-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O4 and a molecular weight of 206.155 g/mol. Key properties include a melting point of >300ºC, a boiling point of 520.8±30.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 268.8±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 16730-20-4
- Jingsj CID
- J-19191-3
- Molecular Formula
- C9H6N2O4
- Molecular Weight
- 206.155 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 520.8±30.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 268.8±24.6 °C |
| Exact Mass | 206.032761 |
| PSA | 98.91000 |
| LogP | 2.70 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.761 |
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-Nitro-1H-indole-2-carboxylic acid?
The CAS number of 5-Nitro-1H-indole-2-carboxylic acid is 16730-20-4.
What are the molecular formula and molecular weight of 5-Nitro-1H-indole-2-carboxylic acid?
5-Nitro-1H-indole-2-carboxylic acid has molecular formula C9H6N2O4 and molecular weight 206.155 g/mol.
What are the upstream and downstream products of 5-Nitro-1H-indole-2-carboxylic acid?
For 5-Nitro-1H-indole-2-carboxylic acid, Upstream Products: Ethyl 5-nitro-1H-indole-2-carboxylate, Methyl 5-nitro-1H-indole-2-carboxylate, ethyl (2E)-2-[(4-nitrophenyl)hydrazinylidene]propanoate; Downstream Products: 5-Nitroindole, 1H-Indol-5-amine, Methyl 5-nitro-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-Nitro-1H-indole-2-carboxylic acid (CAS 16730-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19191-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.