4-(Oxazol-2-yl)-N-(4-(trifluoromethyl)phenyl)benzenesulfonamide CAS 646039-66-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 646039-66-9 |
| Molecular Formula | C16H11F3N2O3S |
| Molecular Weight | 368.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Oxazol-2-yl)-N-(4-(trifluoromethyl)phenyl)benzenesulfonamide (CAS 646039-66-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H11F3N2O3S. Molecular weight: 368.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H11F3N2O3S |
| Molecular Weight | 368.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Oxazol Standards
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- 3-{4-[3-(3-ethyl-1,2-oxazol-5-yl)propoxy]-3,5-dimethylphenyl}-5-(trifluoromethyl)-1,2,4-oxadiazole (CAS 153168-30-0)
- 4-Methyl-6-(1,2-oxazol-5-yl)-2-[3-(trifluoromethyl)phenyl]-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 477859-33-9)
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Recommended Standards
- 2-((3-Cyanothiophen-2-yl)amino)-2-oxoethyl 2-(3-(trifluoromethyl)phenyl)acetate (CAS 338777-44-9)
- 5-(2-(Methylsulfonyl)phenyl)-3-(3-(trifluoromethyl)phenyl)-1,2,4-oxadiazole (CAS 339015-71-3)
- (E)-N'-(4-(3-fluoropropoxy)benzylidene)-4-(trifluoromethyl)benzohydrazide (CAS 477889-02-4)
- 2-(tert-Butyl)-7,8-dihydro-5(6H)-quinazolinone (CAS 499206-35-8)
- 1-[(2-fluorophenyl)carbamoyl]piperidine-3-carboxylic acid (CAS 923226-69-1)
- 4-Bromo-2-(methylamino)benzoic acid (CAS 861526-61-6)
- 2-chloro-5-fluoro-[1,2,4]triazolo[1,5-a]pyridine (CAS 1935530-29-2)
- 2-(Isopropoxymethyl)cycloheptan-1-ol (CAS 1502304-79-1)
- Atracurium Impurity 105 (CAS CATO-C4X-1850105)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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