4-Chloro-1-methylpyrimidin-2(1H)-one CAS 136308-22-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 136308-22-0 |
| Molecular Formula | C5H5ClN2O |
| Molecular Weight | 144.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Chloro-1-methylpyrimidin-2(1H)-one (CAS 136308-22-0) pharmaceutical standards reference standard. Molecular formula: C5H5ClN2O. Molecular weight: 144.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 6-Chloro-5-methylpyrimidin-2(1H)-one (CAS 101080-24-4)
- 4-Chloro-2-methylpyrimidin-5-ol (CAS 103660-23-7)
- 5-Chloro-4-methyl-2,3-dihydropyridazin-3-one (CAS 104566-45-2)
- 2-Chloro-5-(hydroxymethyl)pyrimidine (CAS 1046816-75-4)
- 4-Chloro-5-methyl-1H-pyrazole-3-carbaldehyde (CAS 1050642-24-4)
- 5-Chloro-3-methylpyrazin-2(1H)-one (CAS 105985-18-0)
- 5-Chloro-4-methylpyrimidine 1-oxide (CAS 114969-55-0)
- 5-Chloro-4-methoxypyrimidine (CAS 114969-94-7)
Recommended Standards
- 5-Amino-3-chloro-2(1H)-pyridinone (CAS 1314916-27-2)
- 5-Amino-2-chloropyridin-3-ol (CAS 1367944-42-0)
- O-(3-Chloropyridin-2-yl)hydroxylamine (CAS 128080-08-0)
- 7,9-Dimethyl-2-((4-methylbenzyl)thio)-4-(naphthalen-2-yloxy)pyrido[3',2':4,5]thieno[3,2-d]pyrimidine (CAS 439111-33-8)
- 1-Cyanato-4-methoxybenzene (CAS 2983-74-6)
- 3-(Acetyloxy)-2-naphthalenecarbonyl Chloride (CAS 53855-64-4)
- 5'-(Trifluoromethyl)-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1433189-29-7)
- 5-Bromo-2-(3,4-difluorophenyl)-4-(3-hydroxy-3-methylbutoxy)pyridazin-3(2H)-one (CAS 266320-84-7)
- 6-Fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1065094-02-1)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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