Methyl 3-(chlorosulfonyl)cyclobutane-1-carboxylate CAS 1248799-94-1
| CAS No. | 1248799-94-1 |
| Molecular Formula | C6H9ClO4S |
| Molecular Weight | 212.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 212.65 g/mol gives Methyl 3-(chlorosulfonyl)cyclobutane-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 3-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1248799-94-1), molecular formula C6H9ClO4S and molecular weight 212.65 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Methyl 3-(chlorosulfonyl)cyclobutane-1-carboxylate (C6H9ClO4S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), Methyl 3-(chlorosulfonyl)cyclobutane-1-carboxylate 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 | C6H9ClO4S |
| Molecular Weight | 212.65 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, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- methyl 2-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1595733-28-0)
- methyl 1-[(chlorosulfonyl)methyl]cyclopropane-1-carboxylate (CAS 1820703-07-8)
- Methyl 1-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1909305-18-5)
- 3-[(chlorosulfonyl)(ethyl)amino]-2-methylpropanenitrile (CAS 1247700-03-3)
- Methyl 5-(Chlorosulfonyl)pentanoate (CAS 1408058-14-9)
- Methyl 2-(chlorosulfonyl)-3-methylbutanoate (CAS 144037-05-8)
- Butyl 2-(chlorosulfonyl)acetate (CAS 866128-20-3)
- ethyl 2-(chlorosulfonyl)-2-methylpropanoate (CAS 55896-99-6)
Recommended Standards
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- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
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