5-Chloro-6-methylpyrimidine-2,4(1H,3H)-dione CAS 16018-87-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16018-87-4 |
| Molecular Formula | C5H5ClN2O2 |
| Molecular Weight | 160.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 16018-87-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5ClN2O2. Molecular weight: 160.56 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O2 |
| Molecular Weight | 160.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-1h-pyrazole-3-carbohydrazide (CAS 1005584-54-2)
- 5-Chloro-2-methyl-1H-imidazole-4-carboxylic acid (CAS 1093261-72-3)
- 5-chloro-3-methyl-1H-pyrazole-4-carboxylic acid (CAS 1093414-62-0)
- 4-Chloro-6-methoxypyridazin-3(2H)-one (CAS 113707-82-7)
- 5-Chloro-6-methoxypyridazin-3(2H)-one (CAS 113707-83-8)
- 5-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid, 97% (CAS 1173246-76-8)
- Methyl 5-chloro-1H-imidazole-4-carboxylate (CAS 1192372-11-4)
- methyl 5-chloro-1H-imidazole-2-carboxylate (CAS 1211589-29-5)
Recommended Standards
- 4-Chloro-1-methyl-1H-imidazole-5-carboxylic acid (CAS 1554457-38-3)
- 6-Chloro-5-methylpyrimidine-2,4(1H,3H)-dione (CAS 1627-28-7)
- 2-Chloro-4-methyl-1H-imidazole-5-carboxylic acid (CAS 1537506-41-4)
- Methyl 2-((4-chloro-2-nitrophenyl)thio)benzoate (CAS 92161-65-4)
- 5,8-Dibromo-2,3-bis(5-(2-ethylhexyl)thiophen-2-yl)-6-fluoroquinoxaline (CAS 1643613-59-5)
- 3-(5-(Chloromethyl)-1,2,4-oxadiazol-3-yl)-N-ethyl-N-methylbenzamide (CAS 1119449-61-4)
- 4-Fluoro-3-methoxybenzaldehyde (CAS 128495-46-5)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
- 3-Iodo-4-((tetrahydro-2H-pyran-4-yl)oxy)benzoic acid (CAS 1131614-77-1)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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