4-Cyano-3-methoxybenzenesulfonyl chloride CAS 942199-52-2
| CAS No. | 942199-52-2 |
| Molecular Formula | C8H6ClNO3S |
| Molecular Weight | 231.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.66 g/mol gives 4-Cyano-3-methoxybenzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Cyano-3-methoxybenzenesulfonyl chloride (CAS 942199-52-2), a certified reference material (molecular formula C8H6ClNO3S, MW 231.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6ClNO3S, 4-Cyano-3-methoxybenzenesulfonyl chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.66 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H6ClNO3S |
| Molecular Weight | 231.66 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 |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cyano Standards
- 2-Cyano-5-methoxybenzene-1-sulfonyl chloride (CAS 1261573-04-9)
- 4-Cyano-2-methoxybenzene-1-sulfonyl chloride (CAS 1261791-90-5)
- 3-Cyano-5-methoxybenzenesulfonyl chloride (CAS 1261862-05-8)
- 3-Cyano-4-methoxybenzene-1-sulfonyl chloride (CAS 1261873-96-4)
- 4-Cyano-2-hydroxy-3-methylbenzenesulfonyl chloride (CAS 1803758-93-1)
- 4-Cyano-2-hydroxy-5-methylbenzene-1-sulfonyl chloride (CAS 1807236-96-9)
- 2-Cyano-3-methoxybenzenesulfonyl chloride (CAS 850154-04-0)
- 5-Cyano-2-methoxybenzenesulfonyl chloride (CAS 409359-25-7)
Recommended Standards
- 2-Oxoindoline-5-sulfonyl Chloride (CAS 199328-31-9)
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- 6-Chloro-2-methylbenzo[d]isothiazol-3(2h)-one 1,1-dioxide (CAS 6202-68-2)
- 4-Bromo-3-iodo-7-methoxy-1H-indole (CAS 1360922-64-0)
- cyclohexylmethanesulfonyl fluoride (CAS 4352-31-2)
- 4-(Bromomethyl)-6-chloropyrimidin-2-amine (CAS 688782-77-6)
- 6-(Tert-butoxycarbonyl)-9-hydroxy-6-azaspiro[3.5]Nonane-2-carboxylic acid (CAS 2387600-92-0)
- Valnemulin EP Impurity C (CAS CATO-C4X-19993)
- 5α-PREGNAN-3α, 11β, 17, 21-TETROL-20-ONE 3, 21-DIACETATE (CAS 4004-70-0)
- 4-(1,3-Dithiolan-2-yl)phenyl 4-nitrobenzoate (CAS 329079-33-6)
- 3-[(5-chloro-2,4-dimethoxyphenyl)sulfamoyl]-4-methylbenzoic acid (CAS 438021-93-3)
- N-cyclohexyl-5-nitropyridin-2-amine (CAS 25948-14-5)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
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