4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride CAS 1803703-74-3
| CAS No. | 1803703-74-3 |
| Molecular Formula | C7H4ClF4NO3S |
| Molecular Weight | 293.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride (CAS 1803703-74-3), a certified reference material (molecular formula C7H4ClF4NO3S, MW 293.62 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H4ClF4NO3S, 4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride 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 | C7H4ClF4NO3S |
| Molecular Weight | 293.62 g/mol |
| 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, ethanol, DMSO, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluoro Standards
- 4-Fluoro-2-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride (CAS 1804738-37-1)
- 4-Fluoro-5-methyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride (CAS 1805954-13-5)
- 4-Fluoro-3-(2-chloro-phenylcarbamoyl)phenylboronic acid (CAS 1451393-31-9)
- 4-Fluoro-N-(5-(prop-2-yn-1-ylthio)-1,3,4-thiadiazol-2-yl)benzamide (CAS 647031-48-9)
- 9-Fluoro-5,6-dihydrobenzo[c]acridine-7-carboxylic acid (CAS 1536-29-4)
- 3-Fluoro-N'-((5-nitrothiophen-2-yl)methylene)benzohydrazide (CAS 394694-98-5)
- 4-Fluoro-5-(2-methoxybenzamido)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1707392-95-7)
- 2-Fluoro-3-formyl-5-iodobenzoic acid (CAS 2387023-24-5)
Recommended Standards
- 2-Bromo-2-(6-chlorophenyl)cyclohexanol-d4 (1.0mg/ml in Acetonitrile) (CAS 1795011-67-4)
- 2-Chloro-1-(2-morpholino-1,3-selenazol-5-yl)ethanone (CAS 883992-49-2)
- 1-(Trichloromethyl)-1H,2H,3H,4H,9H-pyrido[3,4-b]indole-d4 (CAS 1794886-07-9)
- 7-Chloro-1-(2,4-dichlorophenyl)heptan-1-one (CAS 898786-16-8)
- 5-((6-((1-(Piperidin-4-yl)ethyl)amino)pyrimidin-4-yl)amino)pyrazine-2-carbonitrile (CAS 1137475-37-6)
- 4-Chloro-5-(difluoromethyl)-2-iodo-3-nitropyridine (CAS 1806886-39-4)
- alpha-Methylferrocenemethanol (CAS 1277-49-2)
- R(-)-2-Hydroxy-N-propylnorapomorphine Hydrobromide Salt (1.0mg/ml in Acetonitrile) (CAS 79640-85-0)
- Ketoprofen EP Impurity K（And Their Enantiomers） (CAS CATO-C4X-147116)
- Imipenem impurity 135 (CAS CATO-C4X-1662135)
- 6-methoxy-5-nitro-benzofuran (CAS 90322-46-6)
- 5-tert-Butyl 1-ethyl 3-amino-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-1,5-dicarboxylate (CAS 1053656-67-9)
- 2-Hydroxy-N,N,N-trimethylethanaminium methyl sulfate (CAS 65151-62-4)
- Hexapeptide-11 (CAS 161258-30-6)
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