[5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester CAS 1228689-78-8
| CAS No. | 1228689-78-8 |
| Molecular Formula | C19H16BrClN2O3 |
| Molecular Weight | 435.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, [5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester (C19H16BrClN2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 435.70 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies [5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester (CAS 1228689-78-8), a certified reference material (molecular formula C19H16BrClN2O3, MW 435.70 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures [5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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 |
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Recommended Standards
- ethyl 3-(6-chloro-3-pyridyl)-1-(iodomethyl)-2-oxabicyclo[2.2.2]octane-4-carboxylate (CAS 2703779-12-6)
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- 3-(Cycloheptyloxy)-2-methylpropane-1-sulfonyl chloride (CAS 1339709-20-4)
- 5-Chloro-2'-fluoro-3'-methoxy-[1,1'-biphenyl]-3-ol (CAS 1261920-31-3)
- Methyl (1R,2R,3R,5R)-2-hydroxybicyclo[3.1.0]Hexane-3-carboxylate (CAS 2166232-26-2)
- (S)-2-Amino-N-(4-methoxycyclohexyl)propanamide (CAS 1354002-46-2)
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