n-(5-Methylisoxazol-3-yl)-4-(3-(3-(trifluoromethyl)phenyl)ureido)benzenesulfonamide CAS 793677-83-5
| CAS No. | 793677-83-5 |
| Molecular Formula | C18H15F3N4O4S |
| Molecular Weight | 440.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures n-(5-Methylisoxazol-3-yl)-4-(3-(3-(trifluoromethyl)phenyl)ureido)benzenesulfonamide 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.
n-(5-Methylisoxazol-3-yl)-4-(3-(3-(trifluoromethyl)phenyl)ureido)benzenesulfonamide (CAS 793677-83-5), molecular formula C18H15F3N4O4S and molecular weight 440.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, n-(5-Methylisoxazol-3-yl)-4-(3-(3-(trifluoromethyl)phenyl)ureido)benzenesulfonamide (C18H15F3N4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine 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 440.40 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C18H15F3N4O4S |
| Molecular Weight | 440.40 g/mol |
| 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.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related n Standards
- 2-((4-(n-(5-Methylisoxazol-3-yl)sulfamoyl)phenyl)carbamoyl)benzoic acid (CAS 68274-44-2)
- N-(5-Methylisoxazol-3-yl)-2-((4-(thiophen-2-yl)-6-(trifluoromethyl)pyrimidin-2-yl)thio)acetamide (CAS 505056-50-8)
- N-(5-Methylisoxazol-3-yl)-1-(2-phenylthiazole-4-carbonyl)piperidine-4-carboxamide (CAS 1226441-83-3)
- (2-(4-((7-(3-Methylisoxazol-5-yl)heptyl)oxy)phenyl)-4,5-dihydrooxazol-5-yl)methanol (CAS 98033-97-7)
- N-(5-Methylisoxazol-3-yl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide (CAS 852372-81-7)
- N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide (CAS 90059-35-1)
- 3-(5-Methylisoxazol-3-yl)-6-[(1-methyl-1H-1,2,3-triazol-4-yl)methoxy][1,2,4]triazolo[3,4-a]phthalazine (CAS 215874-86-5)
- N-(3-Methylisoxazol-5-yl)-1-(thiophen-2-ylsulfonyl)piperidine-3-carboxamide (CAS 1021250-26-9)
Recommended Standards
- H-Resorcinol [Spectrophotometric reagent for the determination of B by FIA] (CAS 3627-01-8)
- Tris(diethylamido)(ethylimido)tantalum(V) (CAS 67313-80-8)
- Estramustine (CAS 2998-57-4)
- 2-Chloroclomiphene Mixture of E & Z Isomer (CAS 1795130-17-4)
- 2,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)terephthalic acid (CAS 1374006-27-5)
- 6-ethyl-3-(propan-2-yl)-1H,4H,7H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 501916-70-7)
- 6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazole-5-carbonitrile (CAS 143541-65-5)
- 4-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096330-85-5)
- 1-(3-Bromo-1H-pyrazolo[3,4-c]pyridin-5-yl)ethanone (CAS 1935607-50-3)
- tert-Butyl (4-methyl-5-nitropyridin-2-yl)carbamate (CAS 1062134-46-6)
- 4-Chloro-5-methyl-2-(1H-pyrazol-5-yl)phenol (CAS 206986-84-7)
- Ethyl 2-amino-2-(oxan-4-yl)acetate hydrochloride (CAS 1423025-06-2)
- 2-Cyclohepten-1-one (CAS 1121-66-0)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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