5-Chloro-2,4-difluoropyrimidine CAS 25151-07-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25151-07-9 |
| Molecular Formula | C4HClF2N2 |
| Molecular Weight | 150.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2,4-difluoropyrimidine (CAS 25151-07-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4HClF2N2. Molecular weight: 150.51 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4HClF2N2 |
| Molecular Weight | 150.51 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.) | 1964 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-4,5-difluoropyrimidine (CAS 894791-89-0)
- 2-Chloro-4,6-difluoropyrimidine (CAS 38953-30-9)
- 4-Chloro-2,5-difluoropyrimidine (CAS 99429-06-8)
- 4-Chloro-5,6-difluoropyrimidine (CAS 220518-09-2)
- 3-Chloro-1,1,1,3-tetrafluoropropane (CAS 149329-29-3)
- Ethyl 2-chloro-3-hydroxyacrylate (CAS 10229-12-6)
- 4-chloro-1H-imidazole-2-carboxylic acid (CAS 1824084-44-7)
- 2-Chloro-N-(methylcarbamoyl)acetamide (CAS 4791-22-4)
Recommended Standards
- 4-Chlorobenzene-1,3-diol-1,2,3,4,5,6-13C6 (CAS 953390-32-4)
- 2-Chlorobut-2-enedioic acid (CAS 19071-21-7)
- 2-Chlorofumaric acid (CAS 617-42-5)
- 1-(3-(Aminomethyl)tetrahydrofuran-3-yl)-2-methylbutan-1-ol (CAS 1558916-31-6)
- N-(4-methoxy-2-nitrophenyl)-N-(phenylsulfonyl)benzenesulfonamide (CAS 159383-46-7)
- 3-Nitro-1H-pyrrolo[2,3-c]pyridine (CAS 67058-77-9)
- (E)-{[1-(4-chlorophenyl)-4-[(4-methylphenyl)sulfanyl]-2-phenyl-6,7-dihydro-1H-indol-5-yl]methylidene}amino 4-fluorobenzoate (CAS 477887-83-5)
- 1-(2-(Azetidin-3-yloxy)phenyl)ethanone hydrochloride (CAS 1956382-39-0)
- Choline Fenofibrate Impurity 29 (CAS CATO-C4X-101829)
- [2-31]-Semaglutide C (x TFA Salt) (CAS CATO-C4X-2226118)
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