4-Chloro-5-cyano-6-difluoromethylpyrimidine CAS 425394-90-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 425394-90-7 |
| Molecular Formula | C6H2ClF2N3 |
| Molecular Weight | 189.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-cyano-6-difluoromethylpyrimidine (CAS 425394-90-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H2ClF2N3. Molecular weight: 189.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H2ClF2N3 |
| Molecular Weight | 189.55 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 1006433-28-8 1-Methyl-4-nitro-1H-pyrazole-3-carbonyl chloride MFCD03421426 (CAS 1006433-28-8)
- 1-Methyl-4-nitro-1H-pyrazole-5-carbonyl chloride (CAS 1006962-20-4)
- 1-Methyl-5-nitro-1H-pyrazole-4-carbonyl chloride (CAS 121568-18-1)
- (S)-4-Bromo-5-fluoro-2-((1,1,1-trifluoropropan-2-yl)oxy)benzoic acid (CAS 2222743-02-2)
- 3-Methyl-2-(propan-2-yl)butane-1-thiol (CAS 110501-99-0)
- (3-Fluoro-2-propoxyphenyl)boronic acid (CAS 1010097-72-9)
- 3-(Trifluoromethoxy)isonicotinaldehyde (CAS 1361769-59-6)
- 3-Bromo-3-(4-fluorophenyl)propiophenone (CAS 898768-14-4)
- 2-(Benzylamino)-3-methylbutanamide (CAS 1248364-76-2)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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