4-Methoxy-3-(trifluoromethoxy)benzenesulfonyl chloride CAS 956468-19-2
| CAS No. | 956468-19-2 |
| Molecular Formula | C8H6ClF3O4S |
| Molecular Weight | 290.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Methoxy-3-(trifluoromethoxy)benzenesulfonyl chloride (C8H6ClF3O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 290.64 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Methoxy-3-(trifluoromethoxy)benzenesulfonyl chloride (CAS 956468-19-2), a certified reference material (molecular formula C8H6ClF3O4S, MW 290.64 g/mol) for analytical method development and quality control.
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.
CATO manufactures 4-Methoxy-3-(trifluoromethoxy)benzenesulfonyl 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 | C8H6ClF3O4S |
| Molecular Weight | 290.64 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2-Methoxy-5-(trifluoromethoxy)benzenesulfonyl chloride (CAS 1010422-55-5)
- 2-methoxy-6-(trifluoromethoxy)benzene-1-sulfonyl chloride (CAS 1261457-38-8)
- 2-Methoxy-4-(trifluoromethoxy)benzenesulfonyl chloride (CAS 905077-08-9)
- 3-Methoxy-2-[(2-methylbenzyl)oxy]benzoyl chloride (CAS 1160250-32-7)
- 3-Methoxy-4-[(2-methylbenzyl)oxy]benzoyl chloride (CAS 1160250-34-9)
- 3-Methoxy-4-[(4-methylbenzyl)oxy]benzoyl chloride (CAS 1160250-76-9)
- 3-Methoxy-4-[(3-methylbenzyl)oxy]benzoyl chloride (CAS 1160250-84-9)
- 3-Methoxy-2-[(3-methylbenzyl)oxy]benzoyl chloride (CAS 1160251-17-1)
Recommended Standards
- Vanadium(III) bromide 99% (CAS 13470-26-3)
- 5-Chloro-4-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol (CAS 1963448-86-3)
- 5-(Chloromethyl)-3-(4-(difluoromethoxy)-3-methoxyphenyl)-1,2,4-oxadiazole (CAS 852399-92-9)
- 2-Chloro-5-methoxyphenyl trifluoromethanesulfonate (CAS 193353-36-5)
- 5-Bromo-2,3-difluoro-4-formylphenylboronic acid (CAS 2377610-13-2)
- N-(4-methoxyphenyl)-4-nitrobenzamide (CAS 24730-11-8)
- (2E)-7-Chloro-2-{[(2-chlorophenyl)amino]methylidene}-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-08-6)
- methyl 3-(3-methoxyphenyl)-3-(1H-1,2,3,4-tetrazol-1-yl)propanoate (CAS 2060031-50-5)
- 1-Phenylhex-5-en-3-ol (CAS 60340-28-5)
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