tert-Butyl ((2R,5R)-5-(2-fluoro-5-nitrophenyl)-2,5-dimethyl-2-(trifluoromethyl)-5,6-dihydro-2H-1,4-oxazin-3-yl)carbamate CAS 1262859-69-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1262859-69-7 |
| Molecular Formula | C18H21F4N3O5 |
| Molecular Weight | 435.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl ((2R,5R)-5-(2-fluoro-5-nitrophenyl)-2,5-dimethyl-2-(trifluoromethyl)-5,6-dihydro-2H-1,4-oxazin-3-yl)carbamate (CAS 1262859-69-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H21F4N3O5. Molecular weight: 435.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H21F4N3O5 |
| Molecular Weight | 435.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-(3-(4-Fluorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(trifluoromethoxy)benzyl)propanamide (CAS 1226454-06-3)
- 2-((4-Butyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(3,4-dichlorophenyl)acetamide (CAS 868256-60-4)
- 1-(2,4-Difluorophenyl)-6,8-difluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 106795-36-2)
- 2,2-Diethoxy-N,N-dimethylethan-1-amine (CAS 3616-56-6)
- 2-((1-Benzyl-4-chloro-1H-pyrazol-3-yl)oxy)-2-methylpropanoic acid (CAS 68429-96-9)
- 3-(4-Chlorophenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 852854-16-1)
- 4-Thiomorpholinomethyl-2-trifluoromethyl-benzophenone (CAS 898782-96-2)
- 1-N-(4-methoxyphenyl)benzene-1,2-diamine (CAS 25914-22-1)
- 2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, 2-oxiranylmethyl 2-methyl-2-propenoate and 2-propenenitrile (CAS 26355-73-7)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
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