1-Aminobenzimidazole-2-sulfonic acid
Also known as: 1H-Benzimidazole-2-sulfonic acid, 1-amino-, 1-Amino-1H-benzimidazole-2-sulfonic acid
1-Aminobenzimidazole-2-sulfonic acid (CAS 120341-04-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3O3S and a molecular weight of 213.21400 g/mol. Key properties include a melting point of 252-253ºC and a density of 1.8g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 120341-04-0
- Jingsj CID
- J-47941-4
- Molecular Formula
- C7H7N3O3S
- Molecular Weight
- 213.21400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 252-253ºC |
|---|---|
| Density | 1.8g/cm3 |
| Exact Mass | 213.02100 |
| PSA | 106.59000 |
| LogP | 1.65880 |
| Refractive Index | 1.773 |
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-Aminobenzimidazole-2-sulfonic acid?
The CAS number of 1-Aminobenzimidazole-2-sulfonic acid is 120341-04-0.
What are the molecular formula and molecular weight of 1-Aminobenzimidazole-2-sulfonic acid?
1-Aminobenzimidazole-2-sulfonic acid has molecular formula C7H7N3O3S and molecular weight 213.21400 g/mol.
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-Aminobenzimidazole-2-sulfonic acid (CAS 120341-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47941-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.