3-Methyl-4-(trifluoromethyl)benzene-1-sulfonyl chloride CAS 1261753-79-0
| CAS No. | 1261753-79-0 |
| Molecular Formula | C8H6ClF3O2S |
| Molecular Weight | 258.65 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.
3-Methyl-4-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1261753-79-0), molecular formula C8H6ClF3O2S and molecular weight 258.65 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6ClF3O2S, 3-Methyl-4-(trifluoromethyl)benzene-1-sulfonyl chloride contains 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 258.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-Methyl-4-(trifluoromethyl)benzene-1-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H6ClF3O2S |
| Molecular Weight | 258.65 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-Methyl-3-(trifluoromethyl)benzenesulfonyl chloride (CAS 1191545-46-6)
- 3-methyl-5-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1211524-22-9)
- 2-methyl-4-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1261764-47-9)
- (3-(Trifluoromethyl)phenyl)methanesulfonylchloride (CAS 127162-96-3)
- [4-(Trifluoromethyl)phenyl]methanesulfonyl chloride (CAS 163295-75-8)
- 2-Methyl-5-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 491850-53-4)
- (2,6-Bis(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1639789-15-3)
- (2,6-Bis(trifluoromethyl)pyridin-4-yl)boronic acid (CAS 1653975-45-1)
Recommended Standards
- 4-Chloro-3-difluoromethyl-5-(4-methoxyphenyl)pyrazole (CAS 1029635-77-5)
- 3-(2,2,2-Trifluoroethyl)benzenesulfonyl chloride (CAS 1393532-54-1)
- 2-Chloro-1-(methylsulfonyl)-4-(trifluoromethyl)benzene (CAS 1000339-68-3)
- 2-(2,2,2-Trifluoroethyl)benzenesulfonyl chloride (CAS 1393540-80-1)
- 2-(Ethylthio)-3-(piperidin-2-yl)pyridine (CAS 1352512-67-4)
- 1-(2-Bromo-1-(3-methoxypropoxy)ethyl)-4-methylbenzene (CAS 1249388-98-4)
- p-Methoxyphenyl 1-thio-b-D-galactopyranoside (CAS 41341-62-2)
- 2-chloro-6-(4-chlorophenoxy)pyridine-4-carboxylic acid (CAS 42521-19-7)
- ethyl 2-amino-4-[(diethylamino)methyl]-5-[(methylamino)carbonyl]thiophene-3-carboxylate hydrobromide (CAS 1177292-85-1)
- 2-[(furan-2-yl)formamido]propanoic acid (CAS 1001616-79-0)
- 5-(Morpholinomethyl)thiophene-2-carboxylic acid (CAS 865471-58-5)
- 3-Hydroxy-2-naphthaldehyde (CAS 581-71-5)
- 5-Amino-2-phenoxybenzonitrile (CAS 288252-04-0)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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