4-Amino-1,2,5-oxadiazole-3-carboxylic acid
Also known as: 3-Aminofurazan-4-carboxylic acid, 4-Aminofurazan-3-carboxylic acid, 5-Aminofurazane-4-carboxylic acid, 4-Amino-3-furazanecarboxylic acid, 4-Amino-furazan-3-carboxylic acid, 1,2,5-Oxadiazole-3-carboxylic acid, 4-amino-
4-Amino-1,2,5-oxadiazole-3-carboxylic acid (CAS 78350-50-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H3N3O3 and a molecular weight of 129.074 g/mol. Key properties include a boiling point of 385.4±52.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 186.9±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78350-50-2
- Jingsj CID
- J-1411124-1
- Molecular Formula
- C3H3N3O3
- Molecular Weight
- 129.074 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 385.4±52.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 186.9±30.7 °C |
| Exact Mass | 129.017441 |
| PSA | 102.24000 |
| LogP | 1.39 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.623 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 4-Amino-1,2,5-oxadiazole-3-carboxylic acid?
The CAS number of 4-Amino-1,2,5-oxadiazole-3-carboxylic acid is 78350-50-2.
What are the molecular formula and molecular weight of 4-Amino-1,2,5-oxadiazole-3-carboxylic acid?
4-Amino-1,2,5-oxadiazole-3-carboxylic acid has molecular formula C3H3N3O3 and molecular weight 129.074 g/mol.
What are the upstream and downstream products of 4-Amino-1,2,5-oxadiazole-3-carboxylic acid?
For 4-Amino-1,2,5-oxadiazole-3-carboxylic acid, Upstream Products: Ethyl cyanoglyoxylate-2-oxime; Downstream Products: methyl 4-amino-1,2,5-oxadiazole-3-carboxylate, Ethyl 4-amino-1,2,5-oxadiazole-3-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. "4-Amino-1,2,5-oxadiazole-3-carboxylic acid (CAS 78350-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411124-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.