3-Chloro-6-methylpyrazin-2(3H)-one CAS 89283-34-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89283-34-1 |
| Molecular Formula | C5H5ClN2O |
| Molecular Weight | 144.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Chloro-6-methylpyrazin-2(3H)-one (CAS 89283-34-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5ClN2O. Molecular weight: 144.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O |
| Molecular Weight | 144.56 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 |
Recommended Standards
- 3-Chloro-2-(hydroxymethyl)pyrazine (CAS 89283-32-9)
- 3-Chloro-6-methylpyridazin-4-ol (CAS 22390-52-9)
- 3-Chloro-1-methyl-1H-pyrazole-5-carbaldehyde (CAS 221276-16-0)
- 2,2,2-Trichloro-1-(4,5,6,7-tetrahydro-1H-indol-2-yl)ethanone (CAS 1346672-30-7)
- 3-Methylimidazo[1,2-a]pyridin-2(3H)-one (CAS 744146-23-4)
- Ethyl 5-(3-fluorophenyl)-1H-pyrazole-3-carboxylate (CAS 943542-76-5)
- 1,6-Dimethyl-2-oxo-1,2,3,4-tetrahydroquinoline-4-carboxylic acid (CAS 1269528-34-8)
- (3S,4S)-1-benzyl-4-(methoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 111138-64-8)
- 2-(1-Oxo-2-isoindolinyl)acetic Acid (CAS 39221-42-6)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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