Rel-methyl (1s,3s)-3-(chlorosulfonyl)cyclobutane-1-carboxylate CAS 1932811-28-3
| CAS No. | 1932811-28-3 |
| Molecular Formula | C6H9ClO4S |
| Molecular Weight | 212.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Rel-methyl (1s,3s)-3-(chlorosulfonyl)cyclobutane-1-carboxylate.
Rel-methyl (1s,3s)-3-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1932811-28-3) is a high-purity analytical reference standard with the molecular formula C6H9ClO4S and a molecular weight of 212.65 g/mol.
Based on its molecular formula C6H9ClO4S, Rel-methyl (1s,3s)-3-(chlorosulfonyl)cyclobutane-1-carboxylate 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 212.65 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.
As a certified reference material (CRM), Rel-methyl (1s,3s)-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.) | 1996 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(2-oxooxolan-3-yl)ethane-1-sulfonyl chloride (CAS 1909312-89-5)
- (2-Chloro-4-fluorophenyl)(cyclobutyl)methanone (CAS 898791-03-2)
- Methyl 1-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1909305-18-5)
- (3-Chloro-4-fluorophenyl)(cyclobutyl)methanone (CAS 898790-88-0)
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