5-Aminopyrazine-2-carboxylic acid
Also known as: 5-Amino-2-pyrazinecarboxylic acid, 2-Pyrazinecarboxylic acid, 5-amino-, Pyrazinecarboxylic acid, 5-amino- (7CI,9CI), 5-AMINO-2-PYRAZINECARBOXYLIC ACID
5-Aminopyrazine-2-carboxylic acid (CAS 40155-43-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5N3O2 and a molecular weight of 139.112 g/mol. Key properties include a boiling point of 431.8±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 214.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40155-43-9
- Jingsj CID
- J-1408356-8
- Molecular Formula
- C5H5N3O2
- Molecular Weight
- 139.112 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 431.8±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 214.9±28.7 °C |
| Exact Mass | 139.038177 |
| PSA | 89.10000 |
| LogP | -0.71 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.663 |
| Storage Conditions | 2-8°C |
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-Aminopyrazine-2-carboxylic acid?
The CAS number of 5-Aminopyrazine-2-carboxylic acid is 40155-43-9.
What are the molecular formula and molecular weight of 5-Aminopyrazine-2-carboxylic acid?
5-Aminopyrazine-2-carboxylic acid has molecular formula C5H5N3O2 and molecular weight 139.112 g/mol.
What are the upstream and downstream products of 5-Aminopyrazine-2-carboxylic acid?
For 5-Aminopyrazine-2-carboxylic acid, Upstream Products: 2-Amino-5-bromopyrazine.
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-Aminopyrazine-2-carboxylic acid (CAS 40155-43-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408356-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.