(R)-1-(2-chlorophenyl)ethyl (5-(4-bromophenyl)-3-methylisoxazol-4-yl)carbamate CAS 1228690-20-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1228690-20-7 |
| Molecular Formula | C19H16BrClN2O3 |
| Molecular Weight | 435.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-1-(2-chlorophenyl)ethyl (5-(4-bromophenyl)-3-methylisoxazol-4-yl)carbamate (CAS 1228690-20-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H16BrClN2O3. Molecular weight: 435.70 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H16BrClN2O3 |
| Molecular Weight | 435.70 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related R Standards
- 6-(4-Chlorophenyl)-1-[(2,6-dichlorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478042-89-6)
- 6-(4-Chlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478042-95-4)
- 3-[(2-Chlorophenyl)methanesulfonyl]-2-hydroxy-2-methyl-N-[4-(trifluoromethyl)phenyl]propanamide (CAS 338956-22-2)
- 3-[(4-Chlorophenyl)methanesulfonyl]-2-hydroxy-2-methyl-N-[3-(trifluoromethyl)phenyl]propanamide (CAS 339275-64-8)
- (3S)-4-(2-chlorophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(2-chlorophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(2-chlorophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270596-37-7 Fmoc-(S)-3-Amino-4-(2-chlorophenyl)-butyric acid (CAS 270596-37-7)
- (3S)-4-(3-chlorophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(3-chlorophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(3-chlorophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270596-40-2 Fmoc-(S)-3-Amino-4-(3-chlorophenyl)-butyric acid (CAS 270596-40-2)
- 1-((4-Chlorophenyl)sulfonyl)-N'-(4-methylbenzoyl)piperidine-4-carbohydrazide (CAS 477872-85-8)
- 2-((4-(4-Chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(o-tolyl)acetamide (CAS 476484-03-4)
Recommended Standards
- [5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester (CAS 1228689-78-8)
- Cathasterone-d3 (CAS 1380235-47-1)
- ethyl 3-(6-chloro-3-pyridyl)-1-(iodomethyl)-2-oxabicyclo[2.2.2]octane-4-carboxylate (CAS 2703779-12-6)
- (2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl 3-(4-hydroxyphenyl)acrylate (CAS 7139-64-2)
- 2-(Phenethylamino)-2-(p-tolyl)-acetonitrile hydrochloride (CAS 1440535-78-3)
- tert-Butyl ((1-((S)-2-aminopropanoyl)piperidin-2-yl)methyl)(cyclopropyl)carbamate (CAS 1354028-60-6)
- (S)-tert-Butyl 3-(3-nitropyridin-2-yloxy)pyrrolidine-1-carboxylate (CAS 1286207-41-7)
- Diazoxide Impurity 17 (CAS 89639-39-4)
- 2-Hydroxy Fluorene-d9 (CAS 922510-18-7)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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