5-Chloropyrazin-2(1H)-one CAS 89180-45-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89180-45-0 |
| Molecular Formula | C4H3ClN2O |
| Molecular Weight | 130.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloropyrazin-2(1H)-one (CAS 89180-45-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H3ClN2O. Molecular weight: 130.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2O |
| Molecular Weight | 130.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloropyrazin Standards
- (3-Chloropyrazin-2-yl)methanamine (CAS 771581-15-8)
- (6-chloropyrazin-2-yl)methanamine (CAS 1060814-52-9)
- 2-(6-chloropyrazin-2-yl)acetonitrile (CAS 1378332-54-7)
- 2-(5-Chloropyrazin-2-yl)acetonitrile (CAS 1433707-71-1)
- 2-(5-Chloropyrazin-2-yl)ethanamine (CAS 1196151-14-0)
- 1-(3-Chloropyrazin-2-yl)-N-methylmethanamine (CAS 1353945-50-2)
- 1-(3-Chloropyrazin-2-yl)ethan-1-amine (CAS 1379302-21-2)
- (5-Chloropyrazin-2-yl)boronic acid (CAS 1309982-45-3)
Recommended Standards
- 5-Chloro-2-furaldehyde (CAS 21508-19-0)
- 5-Chloropyrimidin-2-ol (CAS 214290-50-3)
- 4-Chloro-6-hydroxypyrimidine (CAS 4765-77-9)
- 1-(Triethyl-lambda4-boranyl)propane-1,3-diamine (CAS 148861-07-8)
- 3,17-Dihydroxy-16-methyl-(3β,16β)-pregn-5-en-20-one (CAS 13900-61-3)
- 2-(2,4-Dichlorophenoxy)acetonitrile (CAS 3956-63-6)
- 3-Bromo-3-butenenitrile (CAS 22468-43-5)
- 5-(4-Chlorophenyl)-1,3-oxazole-2-thiol (CAS 49656-34-0)
- 2-Fluoro-6-methoxy-4-nitrobenzaldehyde (CAS 2183512-38-9)
- Galanin (1-13)-Neuropeptide Y (25-36) amide (CAS 147138-51-0)
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