4-Chloro-7-(difluoromethoxy)quinazoline CAS 2225142-46-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2225142-46-9 |
| Molecular Formula | C9H5ClF2N2O |
| Molecular Weight | 230.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-7-(difluoromethoxy)quinazoline (CAS 2225142-46-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5ClF2N2O. Molecular weight: 230.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5ClF2N2O |
| Molecular Weight | 230.60 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(Chloromethyl)-5-(2,4-difluorophenyl)-1,2,4-oxadiazole (CAS 942035-93-0)
- 5-(Chloromethyl)-1-(3,4-difluorophenyl)-1h-tetrazole (CAS 941867-81-8)
- 2-(Chloromethyl)-5-(2,4-difluorophenyl)-1,3,4-oxadiazole (CAS 937633-19-7)
- (R)-1-(tert-Butoxycarbonyl)-4-oxoazetidine-2-carboxylic acid (CAS 2771010-90-1)
- Ethyl 2-amino-4-(4-methoxyphenyl)-5-methylthiophene-3-carboxylate (CAS 350989-93-4)
- Acetamide-15N (CAS 1449-72-5)
- N-((5-(2,4-Difluorophenyl)isoxazol-3-yl)methyl)picolinamide (CAS 1211648-44-0)
- (6-(2,2,2-Trifluoroethyl)pyridin-3-yl)boronic acid (CAS 1356109-90-4)
- 5-Boc-2-Amino-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine (CAS 365996-05-0)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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