2-(Difluoromethyl)-4-Methyl-1,3-Oxazol-5(2H)-One CAS 154140-57-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 154140-57-5 |
| Molecular Formula | C5H5F2NO2 |
| Molecular Weight | 149.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Difluoromethyl)-4-Methyl-1,3-Oxazol-5(2H)-One (CAS 154140-57-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5F2NO2. Molecular weight: 149.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5F2NO2 |
| Molecular Weight | 149.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoromethyl Standards
- (4-(Difluoromethyl)oxazol-5-yl)methanol (CAS 1936361-74-8)
- (5-(Difluoromethyl)oxazol-4-yl)methanol (CAS 2025187-85-1)
- 5-(Difluoromethyl)-2-methyl-1H-1,2,4-triazol-3(2H)-one (CAS 343314-82-9)
- 4-(Difluoromethyl)-2-methylthiazole (CAS 1849218-92-3)
- 5-(Difluoromethyl)-4-methylthiazole (CAS 1965305-15-0)
- 4-(Difluoromethyl)thiophen-3-amine (CAS 2002442-01-3)
- 4-(Difluoromethyl)cyclohexanamine (CAS 1314939-44-0)
- 1-(Difluoromethyl)cyclohexan-1-amine (CAS 1461704-88-0)
Recommended Standards
- 421-85-2 Trifluoromethylsulfonamide Methanesulfonamide, 1,1,1-trifluoro- Trifluoromethyl sulfonamide (CAS 421-85-2)
- (2R,3R)-2-Amino-3-hydroxysuccinic acid (CAS 16417-36-0)
- dimethyl (cyanomethyl)phosphonate (CAS 21658-92-4)
- Ethyl 3-(1-Boc-4-hydroxy-4-piperidyl)propiolate (CAS 374794-90-8)
- 3-Methylpyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 1025054-80-1)
- 2-Acetyl-6-formylpyridine-4-sulfonyl chloride (CAS 1393582-72-3)
- 3,5-Dimethyl-1H-pyrazole-4-sulfonyl chloride hydrochloride (CAS 1239479-56-1)
- Atosiban Acetate (CAS 914453-95-5)
- (3-Phenoxyphenyl)methanethiol (CAS 64930-95-6)
- Fibrinopeptide A (human) (CAS 25422-31-5)
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