5-Ethynylpyrazin-2(1H)-one CAS 1933597-36-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1933597-36-4 |
| Molecular Formula | C6H4N2O |
| Molecular Weight | 120.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Ethynylpyrazin-2(1H)-one (CAS 1933597-36-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H4N2O. Molecular weight: 120.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H4N2O |
| Molecular Weight | 120.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related Ethynylpyrazin Standards
Recommended Standards
- 5-Ethynylpyridazin-3(2H)-one (CAS 1933587-79-1)
- (S)-2-Amino-3-(hydroxyamino)propanoic acid (CAS 5854-96-6)
- 6-Ethynylpyridazin-3(2H)-one (CAS 1927878-39-4)
- Tert-butyl 3-[(2-chloroacetamido)methyl]piperidine-1-carboxylate (CAS 642443-45-6)
- 1-[7-(4-Methoxyphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-1H-pyrrole (CAS 303146-11-4)
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- Imipenem Impurity 13 (CAS 93788-47-7)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com