3-[(2-methylprop-2-en-1-yl)oxy]benzene-1-sulfonyl chloride CAS 1339767-38-2
| CAS No. | 1339767-38-2 |
| Molecular Formula | C10H11ClO3S |
| Molecular Weight | 246.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(2-methylprop-2-en-1-yl)oxy]benzene-1-sulfonyl chloride (CAS 1339767-38-2), molecular formula C10H11ClO3S and molecular weight 246.71 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H11ClO3S, 3-[(2-methylprop-2-en-1-yl)oxy]benzene-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-[(2-methylprop-2-en-1-yl)oxy]benzene-1-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 | C10H11ClO3S |
| Molecular Weight | 246.71 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 5-(5-chlorothiophen-2-yl)-5-oxopentanoate (CAS 1267764-49-7)
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- 2-(2,4,6-Trichlorophenyl)-5a,10b-dihydro-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-2-ium tetrafluoroborate (CAS 2243461-14-3)
- 6-Hydroxymethyl-6,7-dihydro-5h,9h-imidazo[1,5-a][1,4]diazepine-8-carboxylic acid tert-butyl ester (CAS 1250999-49-5)
- 3-(3-(Trifluoromethyl)-3H-diazirin-3-yl)aniline (CAS 130973-96-5)
- (2,4-Dichlorobenzyl)tri-p-tolylphosphonium chloride (CAS 73790-42-8)
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- 5-Oxo-3-(thiophen-2-yl)-5-((2-(thiophen-2-yl)ethyl)amino)pentanoic acid (CAS 1428367-00-3)
- 4-Fluoro-3-hydroxy-7-nitro 1H-indazole (CAS 501650-69-7)
- 3,4-Dimethoxy-5-(prop-2-en-1-yl)benzoic acid (CAS 647855-45-6)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
Why CATO?
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