Ethyl 4-(4-chlorobenzoyl)isoxazole-3-carboxylate CAS 952182-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 952182-77-3 |
| Molecular Formula | C13H10ClNO4 |
| Molecular Weight | 279.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-(4-chlorobenzoyl)isoxazole-3-carboxylate (CAS 952182-77-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H10ClNO4. Molecular weight: 279.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H10ClNO4 |
| Molecular Weight | 279.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- Ethyl 4-(3-chlorobenzoyl)isoxazole-3-carboxylate (CAS 338761-68-5)
- 2-(4-Chlorobenzoyl)benzoyl chloride (CAS 42156-76-3)
- 1-(4-Chlorobenzoyl)-N-methyl-4-nitro-1H-pyrazol-3-amine (CAS 318517-38-3)
- 2-(5-(4-Chlorobenzoyl)thiophen-2-yl)acetic acid (CAS 33061-80-2)
- 2-{[(4-chlorobenzoyl)oxy]ethanimidoyl}-1,3-thiazole 866050-61-5 KS-00002WRJ (CAS 866050-61-5)
- 3-(3-Chlorobenzoyl)quinoline (CAS 1178743-28-6)
- 3-(3-chlorobenzoyl)-4H,5H,6H-cyclopenta[b]thiophen-2-amine (CAS 399043-34-6)
- 3-(4-Chlorobenzoyl)-4h,5h,6h-cyclopenta[b]thiophen-2-amine (CAS 304018-04-0)
Recommended Standards
- Ethyl 5-(2-chloronicotinoyl)furan-2-carboxylate (CAS 884504-83-0)
- Ethyl 3-(4-chlorophenyl)-5-hydroxy-1,2,4-triazine-6-carboxylate (CAS 36286-77-8)
- Ethyl 8-chloro-2H-[1,3]dioxolo[4,5-g]quinoline-7-carboxylate (CAS 26893-17-4)
- [(4-fluorophenyl)methyl](prop-2-yn-1-yl)amine hydrochloride (CAS 1158359-45-5)
- Thiazole-2-sulfonic acid (CAS 172412-76-9)
- 4-Methoxy-3-methylbutan-2-ol (CAS 1344094-45-6)
- N-Benzyl-N,N-dibutylbutan-1-aminium iodide (CAS 60754-76-9)
- N-methyl-1-(naphthalen-2-yl)methanimine oxide (CAS 41106-04-1)
- (1R,3S)-2,2-dimethylcyclobutane-1,3-dicarboxylic acid (CAS 3211-48-1)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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