5-Methylpyrazine-2-carboxylic acid
Also known as: 5-Methyl-2-pyrazinecarboxylic acid, 2-Carboxy-5-methylpyrazine, 2-Methyl-5-pyrazinecarboxylic acid, 5-Methylpyrazine-2-carboxylic acid, 5-Methylpyrazinecarboxylic acid, MFCD00068241, EINECS 413-260-9
5-Methylpyrazine-2-carboxylic acid (CAS 5521-55-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O2 and a molecular weight of 138.12 g/mol. Key properties include a melting point of 167-171 °C(lit.), a boiling point of 316.5±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 145.2±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5521-55-1
- Jingsj CID
- J-23432-2
- Molecular Formula
- C6H6N2O2
- Molecular Weight
- 138.12 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 167-171 °C(lit.) |
|---|---|
| Boiling Point | 316.5±37.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 145.2±26.5 °C |
| Exact Mass | 138.042923 |
| PSA | 63.08000 |
| LogP | -0.90 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.567 |
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-Methylpyrazine-2-carboxylic acid?
The CAS number of 5-Methylpyrazine-2-carboxylic acid is 5521-55-1.
What are the molecular formula and molecular weight of 5-Methylpyrazine-2-carboxylic acid?
5-Methylpyrazine-2-carboxylic acid has molecular formula C6H6N2O2 and molecular weight 138.12 g/mol.
What are the upstream and downstream products of 5-Methylpyrazine-2-carboxylic acid?
For 5-Methylpyrazine-2-carboxylic acid, Upstream Products: (5-Methylpyrazin-2-yl)methanol, 5-Methyl-2,3-pyrazinedicarboxylic acid, 2,5-Dimethylpyrazine; Downstream Products: 5-Methylpyrazine-2-carbaldehyde, 5-Methylpyrazine-2-carboxamide, Ethyl 5-methylpyrazine-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-Methylpyrazine-2-carboxylic acid (CAS 5521-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23432-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.