3-Chloro-1-(difluoromethyl)pyrazin-2(1H)-one CAS 1603237-94-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1603237-94-0 |
| Molecular Formula | C5H3ClF2N2O |
| Molecular Weight | 180.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-1-(difluoromethyl)pyrazin-2(1H)-one (CAS 1603237-94-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H3ClF2N2O. Molecular weight: 180.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H3ClF2N2O |
| Molecular Weight | 180.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1993 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 3-Chloro-6-(difluoromethoxy)pyridazine (CAS 1084812-45-2)
- 4-Chloro-6-(difluoromethyl)-1,3,5-triazin-2-amine (CAS 1139245-06-9)
- 2-Chloro-5-(difluoromethoxy)pyrimidine (CAS 1192813-64-1)
- 2-Chloro-4-(difluoromethoxy)pyrimidine (CAS 1261598-55-3)
- 4-Chloro-2-(difluoromethoxy)pyrimidine (CAS 1261632-49-8)
- 2-Chloro-3-(difluoromethoxy)pyrazine (CAS 1261634-52-9)
- 4-Chloro-5-(difluoromethoxy)pyrimidine (CAS 1261737-58-9)
- 2-Chloro-5-(difluoromethoxy)pyrazine (CAS 1261799-42-1)
Recommended Standards
- 4-Chloro-1-(difluoromethyl)-1H-pyrazole-3-carbaldehyde (CAS 1357098-11-3)
- 5-Chloro-2,4-difluoro-6-methoxypyrimidine (CAS 27265-89-0)
- 5-Chloro-6-(difluoromethyl)pyrimidin-4-ol (CAS 425394-28-1)
- 6-Bromo-2-methylhept-6-en-3-yn-2-ol (CAS 100379-06-4)
- 1-Cyclopropylprop-2-yn-1-one (CAS 1088610-48-3)
- 5-Methyl-[1,1'-biphenyl]-3-ol (CAS 50715-82-7)
- 6-(trifluoromethyl)-1,2-dihydroquinazolin-2-one (CAS 113082-33-0)
- 1187830-78-9 Ethyl (5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)acetate--hydrogen chloride (1/1) DTXSID90718480 (CAS 1187830-78-9)
- trans-2-fluorocyclopropanecarboxamide (CAS 1771691-58-7)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
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