2-Pyrazinecarboxylic acid
Synonym(s):Pyrazinecarboxylic acid;Pyrazinoic acid
- CAS NO.：98-97-5
- Empirical Formula: C5H4N2O2
- Molecular Weight: 124.1
- MDL number: MFCD00006130
- EINECS: 202-718-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is 2-Pyrazinecarboxylic acid?
Chemical properties
WHITE TO OFF-WHITE CRYSTALLINE POWDER
The Uses of 2-Pyrazinecarboxylic acid
Pyrazinecarboxylic Acid is a very potent urate retaining drug. Pyrazinecarboxylic Acid is a metabolite of the antibacterial agent Pyrazinamide (P840600).
The Uses of 2-Pyrazinecarboxylic acid
Labelled analogue of Pyrazinecarboxylic Acid, a very potent urate retaining drug. Pyrazinecarboxylic Acid is a metabolite of the antibacterial agent Pyrazinamide (P840600).
Definition
ChEBI: The parent compound of the class of pyrazinecarboxylic acids, that is pyrazine bearing a single carboxy substituent. The active metabolite of the antitubercular drug pyrazinamide.
Synthesis Reference(s)
The Journal of Organic Chemistry, 40, p. 1187, 1975 DOI: 10.1021/jo00896a050
Flammability and Explosibility
Not classified
Purification Methods
It crystallises from water. The methyl ester has m 62o (from pet ether). [Sauville & Spoerri J Am Chem Soc 63 3153 1941, Beilstein 25 III/IV 771.]
Properties of 2-Pyrazinecarboxylic acid
| Melting point: | 222-225 °C (dec.)(lit.) |
| Boiling point: | 230.85°C (rough estimate) |
| Density | 1.4317 (rough estimate) |
| vapor pressure | 0.011Pa at 25℃ |
| refractive index | 1.4800 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Crystalline Powder |
| pka | pK (25°) 2.92 |
| color | White to off-white |
| Water Solubility | SOLUBLE IN COLD WATER |
| Merck | 14,8970 |
| BRN | 112305 |
| CAS DataBase Reference | 98-97-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazinoic acid(98-97-5) |
Safety information for 2-Pyrazinecarboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Pyrazinecarboxylic acid
| InChIKey | NIPZZXUFJPQHNH-UHFFFAOYSA-N |
2-Pyrazinecarboxylic acid manufacturer
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product: 2-Pyrazinecarboxylic acid
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