Methyl 5-(1-(3-chlorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)-3-(2,6-dichlorophenyl)isoxazole-4-carboxylate CAS 318949-23-4
| CAS No. | 318949-23-4 |
| Molecular Formula | C21H11Cl3F3N3O3 |
| Molecular Weight | 516.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 5-(1-(3-chlorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)-3-(2,6-dichlorophenyl)isoxazole-4-carboxylate 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.
CATO supplies Methyl 5-(1-(3-chlorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)-3-(2,6-dichlorophenyl)isoxazole-4-carboxylate (CAS 318949-23-4), a certified reference material (molecular formula C21H11Cl3F3N3O3, MW 516.68 g/mol) for analytical method development and quality control.
Structurally, Methyl 5-(1-(3-chlorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)-3-(2,6-dichlorophenyl)isoxazole-4-carboxylate (C21H11Cl3F3N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 516.68 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H11Cl3F3N3O3 |
| Molecular Weight | 516.68 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- N-(4-Chlorophenyl)-2-((3-(4-chlorophenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 577987-67-8)
- 1-((4-Chlorophenyl)sulfonyl)-4-(5-(methylthio)-4-(3-(trifluoromethyl)phenyl)-4H-1,2,4-triazol-3-yl)piperidine (CAS 478042-33-0)
- Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate (CAS 1710202-77-9)
- N-(2-chlorophenyl)-2-((3-cyano-4-(3,4-dimethoxyphenyl)-6-phenylpyridin-2-yl)thio)acetamide (CAS 444152-27-6)
- N-(4-Chlorophenyl)-1-[(E,Z)-N'-[(3,4-dichlorophenyl)amino]-N-[(3,4-dichlorophenyl)imino]carbamimidoyl]formamide (CAS 338420-19-2)
- N-(4-chlorophenyl)-2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)acetamide (CAS 338967-35-4)
- Ethyl 5-({[5-({[3-(2-chlorophenyl)-5-methyl-1,2-oxazol-4-yl]formamido}methyl)-4,5-dihydro-1,2-oxazol-3-yl]formamido}methyl)-4,5-dihydro-1,2-oxazole-3-carboxylate (CAS 338399-16-9)
- 2-((5-(((4-Chlorophenyl)amino)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 332930-58-2)
Recommended Standards
- PAMAM dendrimers solution (CAS 155773-72-1)
- N-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}phenyl)-4-iodobenzamide (CAS 478246-32-1)
- 1-(9H-fluoren-9-yl)-8,8-dimethyl-3,13-dioxo-2-oxa-7,9-dithia-4,12-diazahexadecan-16-oic acid (CAS CATO-CIM-100210)
- tert-Butyl 2-(4-(4-((5-(tosyloxy)pentyl)oxy)butoxy)butoxy)acetate (CAS 2681389-23-9)
- 2-Amino-3-(4-cyclopropylphenyl)propanoic acid (CAS 1540375-41-4)
- 3-Methyl-3-(4-(methylsulfonyl)phenyl)pyrrolidine-2,5-dione (CAS 1096903-71-7)
- N-[(1-Aminocyclohexyl)methyl]-3,5-dimethyl-1,2-oxazole-4-sulfonamide hydrochloride (CAS 1308319-49-4)
- 5-Azaspiro[2.4]Heptan-7-amine dihydrochloride (CAS 400841-22-7)
- Sodium O,O-dimethyl phosphorodithioate (CAS 26377-29-7)
- (2-methyl-2H-1,2,3-triazol-4-yl)methanamine hydrochloride (CAS 612511-65-6)
- tert-Butyl (S)-3-aminopiperidine-1-carboxylate hydrochloride (CAS 1217753-75-7)
- 4-[(3-Bromobenzyl)oxy]-3-methoxybenzoic acid (CAS 1016873-65-6)
- 125035-34-9 (2-Chloropyridin-3-yl)(thiophen-2-yl)methanone DTXSID10568823 (CAS 125035-34-9)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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 18665070610 / Nicole.chen@cato-chem.com