Ethyl 4-[3-(4-fluorobenzenesulfonamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate CAS 478065-33-7
| CAS No. | 478065-33-7 |
| Molecular Formula | C20H18FN3O5S2 |
| Molecular Weight | 463.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-[3-(4-fluorobenzenesulfonamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate (CAS 478065-33-7), molecular formula C20H18FN3O5S2 and molecular weight 463.50 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H18FN3O5S2, Ethyl 4-[3-(4-fluorobenzenesulfonamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 463.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Ethyl 4-[3-(4-fluorobenzenesulfonamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-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.
Physical & Chemical Properties
| Molecular Formula | C20H18FN3O5S2 |
| Molecular Weight | 463.50 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Ethyl Standards
- 3,5-Bis(4-fluorobenzenesulfonamido)benzoic acid (CAS 329908-32-9)
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- 2-{[2-(4-fluorobenzenesulfonamido)phenyl]sulfanyl}-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]acetamide (CAS 478045-36-2)
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Recommended Standards
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- Tafenoquine (CAS 106635-80-7)
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-3-(5-methyl-7-oxo-3-phenyl-7H-furo[3,2-g]chromen-6-yl)propanamide (CAS 920443-95-4)
- 4,7-Dichloro-6-methoxy-2-methylquinoline (CAS 1315346-63-4)
- 2-(Chloromethyl)-6-(difluoromethyl)-3-hydroxy-5-methoxypyridine (CAS 1805450-59-2)
- 1-(3-Fluoro-5-(pentafluoro-l6-sulfanyl)phenyl)ethan-1-one (CAS 1240257-57-1)
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- 3-Ethyl-N,N-dimethyl-1H-pyrazole-1-sulfonamide (CAS 917899-19-5)
- N-(2-Methoxyethyl)-N,1-dimethyl-6-(piperidin-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine (CAS 1422066-91-8)
- 1-(4-Chloro-3-(trifluoromethyl)phenyl)-2,2,2-trifluoroethan-1-ol (CAS 2228631-83-0)
- 2-Methyl-5-((5-methyl-1H-imidazol-1-yl)methyl)pyrimidin-4-amine (CAS 805946-52-5)
- 9a-(aminomethyl)-hexahydro-1H-[1,4]oxazino[3,4-c]morpholin-4-one hydrochloride (CAS 2060004-94-4)
- Semaglutide impurity 109 (CAS CATO-C4X-2226109)
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