5,6-dihydroxy-1H-indole-2-carboxylic acid
Also known as: 5,6-dihydroxyindole-2-carboxylic acid, 5,6-Dihydroxy-2-carboxyindole, 2-Carboxy-5,6-dihydroxyindole, 1H-Indole-2-carboxylic acid, 5,6-dihydroxy-, Dopamine Impurity 8, Levodopa Impurity 13, Levodopa Impurity 4
5,6-dihydroxy-1H-indole-2-carboxylic acid (CAS 4790-08-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO4 and a molecular weight of 193.15600 g/mol. Key properties include a boiling point of 578.6ºC at 760mmHg, a density of 1.736g/cm3 and a flash point of 303.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4790-08-3
- Jingsj CID
- J-1001845-8
- Molecular Formula
- C9H7NO4
- Molecular Weight
- 193.15600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 578.6ºC at 760mmHg |
|---|---|
| Density | 1.736g/cm3 |
| Flash Point | 303.8ºC |
| Exact Mass | 193.03800 |
| PSA | 93.55000 |
| LogP | 1.27730 |
| Refractive Index | 1.838 |
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 5,6-dihydroxy-1H-indole-2-carboxylic acid?
The CAS number of 5,6-dihydroxy-1H-indole-2-carboxylic acid is 4790-08-3.
What are the molecular formula and molecular weight of 5,6-dihydroxy-1H-indole-2-carboxylic acid?
5,6-dihydroxy-1H-indole-2-carboxylic acid has molecular formula C9H7NO4 and molecular weight 193.15600 g/mol.
What are the upstream and downstream products of 5,6-dihydroxy-1H-indole-2-carboxylic acid?
For 5,6-dihydroxy-1H-indole-2-carboxylic acid, Upstream Products: 5,6-Dimethoxy-1H-indole-2-carboxylic acid, DL-3-(3,4-Dihydroxyphenyl)alanine, Levodopa; Downstream Products: 5,6-Dihydroxyindole, 1H-Pyrrole-2,3,5-tricarboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,6-dihydroxy-1H-indole-2-carboxylic acid (CAS 4790-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001845-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.