5-Chloro-2-methylpyrimidine CAS 54198-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54198-89-9 |
| Molecular Formula | C5H5ClN2 |
| Molecular Weight | 128.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-2-methylpyrimidine (CAS 54198-89-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5ClN2. Molecular weight: 128.56 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2 |
| Molecular Weight | 128.56 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-chloro-3-methyl-pyridazine (CAS 101346-01-4)
- 4-Chloro-1-vinyl-1H-pyrazole (CAS 1219568-16-7)
- 2-Chloro-4-methylpyrimidine (CAS 13036-57-2)
- 2-Chloro-5-methylpyrazine (CAS 59303-10-5)
- 2-Chloro-5-methylpyrimidine (CAS 22536-61-4)
- 2-Chloro-5-vinylfuran (CAS 63269-95-4)
- 3-chloro-4-methylpyridazine (CAS 68206-04-2)
- 3-chloro-5-methylpyridazine (CAS 89283-31-8)
Recommended Standards
- 4-Chloro-6-methylpyrimidine (CAS 3435-25-4)
- 5-Chloro-3-methylpyridazine (CAS 808773-40-2)
- 4-Chloro-5-methylpyrimidine (CAS 51957-32-5)
- 2-(4-(Methylthio)phenyl)isonicotinic acid (CAS 1261906-11-9)
- tert-Butyl-1,2,3,4-tetrahydro-naphthalen-1,4-imine-9-carboxylate (CAS 5176-32-9)
- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (CAS 1260151-69-6)
- N'-(6-Methoxybenzo[d]thiazol-2-yl)-2-phenoxyacetohydrazide (CAS 851979-95-8)
- Amorolfine Impurity 46 (CAS CATO-C4X-154246)
- 2-Chlorocyclohexane-1,3-dione (CAS 932-23-0)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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