3-Methylcyclobutane-1-sulfonyl chloride CAS 1691815-73-2
| CAS No. | 1691815-73-2 |
| Molecular Formula | C5H9ClO2S |
| Molecular Weight | 168.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Methylcyclobutane-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.
3-Methylcyclobutane-1-sulfonyl chloride (CAS 1691815-73-2), molecular formula C5H9ClO2S and molecular weight 168.64 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H9ClO2S, 3-Methylcyclobutane-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 168.64 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.
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.
Physical & Chemical Properties
| Molecular Formula | C5H9ClO2S |
| Molecular Weight | 168.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methylcyclobutane Standards
- 1-Methylcyclobutane-1-sulfonyl chloride (CAS 2090155-98-7)
- 3-Methylcyclobutane-1,1-dicarboxylic acid (CAS 57252-84-3)
- 1-Methylcyclobutane-1-sulfinate (sodium) (CAS 2917638-81-2)
- 1-butyl-3-methylcyclobutane-1-carbaldehyde (CAS 1707364-79-1)
- 1-Methylcyclobutane-1-sulfonamide (CAS 2126177-13-5)
- 1-Ethyl-3-methylcyclobutane-1-carboxylic acid (CAS 1512036-84-8)
- 3-Ethyl-3-methylcyclobutane-1-carboxylic acid (CAS 66016-23-7)
- 1-methylcyclobutane-1-carbonyl chloride (CAS 21890-82-4)
Recommended Standards
- 2-Methylenebutane-1-sulfonyl chloride (CAS 1483737-50-3)
- (1-methylcyclopropyl)methanesulfonyl chloride (CAS 1314903-62-2)
- 2-(chloromethyl)-1$l^{6}-thiolane-1,1-dione (CAS 58474-58-1)
- 1-Ethylcyclopropane-1-sulfonyl chloride (CAS 1310730-52-9)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com