4-(difluoromethyl)-1,3-oxazole-5-carboxylic acid CAS 1849376-53-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1849376-53-9 |
| Molecular Formula | C5H3F2NO3 |
| Molecular Weight | 163.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(difluoromethyl)-1,3-oxazole-5-carboxylic acid (CAS 1849376-53-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3F2NO3. Molecular weight: 163.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3F2NO3 |
| Molecular Weight | 163.08 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related difluoromethyl Standards
- 1-(Difluoromethyl)-3-nitro-1h-pyrazole (CAS 1002034-26-5)
- 5-(Difluoromethyl)isoxazole-4-carboxylic acid (CAS 1340252-15-4)
- 2-(Difluoromethyl)oxazole-4-carboxylic acid (CAS 1627894-70-5)
- 5-(Difluoromethyl)isoxazole-3-carboxylic acid (CAS 1785023-01-9)
- 3-(Difluoromethyl)isoxazole-5-carboxylic acid (CAS 1935503-24-4)
- 3-(Difluoromethyl)isoxazole-4-carboxylic acid (CAS 2118317-97-6)
- 1-(difluoromethyl)-4-nitro-1H-pyrazole (CAS 956477-64-8)
- 2-(Difluoromethyl)-5-fluoropyridin-4-ol (CAS 1804703-31-8)
Recommended Standards
- 3,3,4,4,4-Pentafluorobutan-1-amine (CAS 139978-28-2)
- ((1H-1,2,4-Triazol-1-yl)methyl)phosphonic acid (CAS 111911-03-6)
- 4-nitro-1,2,5-oxadiazole-3-carboxylic acid (CAS 159014-11-6)
- 6,7-Dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde (CAS 1706433-45-5)
- 3-(1-(tert-Butoxycarbonyl)piperidin-3-yl)isoxazole-4-carboxylic acid (CAS 1334491-82-5)
- (5Z,9E)-3,10-Dimethyl-4,7,8,11-tetrahydrocyclodeca[b]furan-6-carboxylic acid (CAS 32180-36-2)
- 2-(4-Amino-2-fluorophenyl)acetic acid (CAS 914224-31-0)
- 2-(2,5-Dimethyl-1H-indol-3-yl)-1-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)ethanone (CAS 1197769-65-5)
- Rosuvastatin Acyl-ß-D-glucuronide (CAS 503610-44-4)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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