(4R,5S)-4,5-Diphenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% CAS 1293372-65-2
| CAS No. | 1293372-65-2 |
| Molecular Formula | C19H21NO5S |
| Molecular Weight | 375.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 375.44 g/mol gives (4R,5S)-4,5-Diphenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (4R,5S)-4,5-Diphenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% (CAS 1293372-65-2), a certified reference material (molecular formula C19H21NO5S, MW 375.44 g/mol) for analytical method development and quality control.
(4R,5S)-4,5-Diphenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% (C19H21NO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (4R,5S)-4,5-Diphenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% 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 | C19H21NO5S |
| Molecular Weight | 375.44 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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