| CAS No. | 1209467-60-6 |
| Molecular Formula | C13H23NO5S |
| Molecular Weight | 305.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
tert-butyl (4R)-2,2-dioxo-4-phenyl-1,2λ⁶,3-oxathiazolidine-3-carboxylate (CAS 1209467-60-6), molecular formula C13H23NO5S and molecular weight 305.39 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H23NO5S, tert-butyl (4R)-2,2-dioxo-4-phenyl-1,2λ⁶,3-oxathiazolidine-3-carboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 305.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures tert-butyl (4R)-2,2-dioxo-4-phenyl-1,2λ⁶,3-oxathiazolidine-3-carboxylate 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.
| Molecular Formula | C13H23NO5S |
| Molecular Weight | 305.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |