propan-2-yl 2-(chlorosulfonyl)acetate CAS 303153-12-0
| CAS No. | 303153-12-0 |
| Molecular Formula | C5H9ClO4S |
| Molecular Weight | 200.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
propan-2-yl 2-(chlorosulfonyl)acetate (CAS 303153-12-0) is a high-purity analytical reference standard with the molecular formula C5H9ClO4S and a molecular weight of 200.64 g/mol.
Structurally, propan-2-yl 2-(chlorosulfonyl)acetate (C5H9ClO4S) contains a carbohydrate-derived structure, a sulfone group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 200.64 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C5H9ClO4S |
| Molecular Weight | 200.64 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) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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- 5-Methoxy-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine (CAS 1260672-63-6)
- N-Benzyl-3-methoxypropan-1-amine (CAS 32857-21-9)
- 2-(2-((tert-Butoxycarbonyl)amino)benzo[d]thiazol-6-yl)acetic acid (CAS 1440526-62-4)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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