3-Methoxy-5-methylbenzenesulfonyl chloride CAS 861560-21-6
| CAS No. | 861560-21-6 |
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 220.67 g/mol gives 3-Methoxy-5-methylbenzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Methoxy-5-methylbenzenesulfonyl chloride (CAS 861560-21-6), a certified reference material (molecular formula C8H9ClO3S, MW 220.67 g/mol) for analytical method development and quality control.
Structurally, 3-Methoxy-5-methylbenzenesulfonyl chloride (C8H9ClO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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 220.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Methoxy-5-methylbenzenesulfonyl 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 | C8H9ClO3S |
| Molecular Weight | 220.67 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 | Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 3-Methoxy-4-methylbenzenesulfonyl chloride (CAS 152708-83-3)
- 2-Methoxy-4-methylbenzene-1-sulfonyl chloride (CAS 216394-11-5)
- 2-Methoxy-5-methylbenzenesulfonyl Chloride (CAS 88040-86-2)
- 4-Methoxy-3-methylbenzenesulfonyl chloride (CAS 84910-98-5)
- 5-Methoxy-2-methylbenzenesulfonyl Chloride (CAS 861374-10-9)
- 3-Methoxy-2-naphthoyl chloride (CAS 58778-69-1)
- 4-Methoxy-1-naphthoyl Chloride (CAS 70696-57-0)
- 6-Methoxy-2-naphthoyl chloride (CAS 58601-32-4)
Recommended Standards
- 3-Ethoxybenzene-1-sulfonyl chloride (CAS 69129-60-8)
- 4-(2-Chloroethyl)benzenesulfonic acid (CAS 7296-73-3)
- 2-Phenoxy-ethanesulfonyl chloride (CAS 3384-01-8)
- 4-Chloro-3-methylphenyl methanesulfonate (CAS 90555-52-5)
- (S)-2-(2-((4,4,4-trifluorobutyl)sulfonyl)ethyl)pyrrolidine (CAS 1670272-83-9)
- 3,5-Dibromo-4-chlorophenol (CAS 74104-19-1)
- N-(2-(2,5-Dichlorophenyl)-5-phenyl-2H-1,2,3-triazol-4-yl)benzamide (CAS 830336-16-8)
- 1-Cyclopropyl-1-(6-methoxynaphthalen-2-yl)ethan-1-ol (CAS 1443355-47-2)
- 4-[(Benzenesulfinyl)methyl]-2-phenyl-6-(phenylsulfanyl)pyrimidine (CAS 320421-36-1)
- (2-[(2-Oxo-2-phenylethyl)thio]-1,3-thiazol-4-yl)acetic acid (CAS 1105192-66-2)
- 1-[Chloro(difluoro)methoxy]-4-nitro-2-(trifluoromethyl)benzene (CAS 104678-89-9)
- Diketone-PEG4-Biotin (CAS 2353409-85-3)
- 6-Bromo-4-hydroxy-7-(trifluoromethyl)quinoline-3-carboxylic acid (CAS 1065093-93-7)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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