(S)-4-Methyl-1,2,3-oxathiazolidine 2,2-dioxide CAS 1025505-82-1
| CAS No. | 1025505-82-1 |
| Molecular Formula | C3H7NO3S |
| Molecular Weight | 137.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-4-Methyl-1,2,3-oxathiazolidine 2,2-dioxide (CAS 1025505-82-1), molecular formula C3H7NO3S and molecular weight 137.16 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-4-Methyl-1,2,3-oxathiazolidine 2,2-dioxide (C3H7NO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 (S)-4-Methyl-1,2,3-oxathiazolidine 2,2-dioxide 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 | C3H7NO3S |
| Molecular Weight | 137.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Ethyl-d5-Malonic Acid (CAS 66311-22-6)
- 3-Methyloxathiazolidine 2,2-dioxide (CAS 1201897-41-7)
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- 2-Ethynylthiazole-4-carbaldehyde (CAS 1211537-62-0)
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Why CATO?
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