4,4-Dimethyl-2-(trifluoromethyl)oxazol-5(4H)-one CAS 705-20-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 705-20-4 |
| Molecular Formula | C6H6F3NO2 |
| Molecular Weight | 181.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4-Dimethyl-2-(trifluoromethyl)oxazol-5(4H)-one (CAS 705-20-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H6F3NO2. Molecular weight: 181.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H6F3NO2 |
| Molecular Weight | 181.11 g/mol |
| Appearance | 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 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.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- 3,3-Dimethyl-1-(trifluoroacetyl)-2-aziridinone (CAS 84758-80-5)
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- (4,5-Dimethyl-2-nitrophenyl)hydrazine (CAS 1248766-92-8)
- 2-(4-Acetyl-5,5-dimethyl-4,5-dihydro-1,3,4-oxadiazol-2-yl)acetonitrile (CAS 130781-62-3)
- 2,2-Dimethyl-3-(1h-1,2,4-triazol-3-yl)cyclopropane-1-carboxylic acid (CAS 1339078-51-1)
- 2-(4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)acetic acid (CAS 1518990-45-8)
- Methyl 1,5-dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 1660118-40-0)
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Recommended Standards
- 4-(Trifluoromethyl)piperidine-2,6-dione (CAS 356518-29-1)
- 5-Methyl-5-(trifluoromethyl)pyrrolidine-2,4-dione (CAS 1997200-27-7)
- 5-Nitrobenzo[c][1,2,5]oxadiazol-4-ol (CAS 22250-52-8)
- 7-(3,4,5-Trimethoxyphenyl)-7-oxoheptanoic acid (CAS 951891-88-6)
- 2-(4-Phenoxyphenyl)ethan-1-amine (CAS 118468-18-1)
- N-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)propan-2-amine (CAS 21398-64-1)
- 2,3,5-Trifluoro-6-methoxypyridine (CAS 3746-18-7)
- (3,5-Dichlorophenyl)(3-fluoro-5-methylphenyl)methanone (CAS 951887-03-9)
- (2S)-2-((Tetrahydro-2H-pyran-2-yl)oxy)propanal (CAS 76438-34-1)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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