(S)-O-((2-Methylisoxazolidin-5-yl)methyl) ethanethioate CAS 404572-56-1
| CAS No. | 404572-56-1 |
| Molecular Formula | C7H13NO2S |
| Molecular Weight | 175.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 175.25 g/mol gives (S)-O-((2-Methylisoxazolidin-5-yl)methyl) ethanethioate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-O-((2-Methylisoxazolidin-5-yl)methyl) ethanethioate (CAS 404572-56-1), molecular formula C7H13NO2S and molecular weight 175.25 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (S)-O-((2-Methylisoxazolidin-5-yl)methyl) ethanethioate (C7H13NO2S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), (S)-O-((2-Methylisoxazolidin-5-yl)methyl) ethanethioate 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 | C7H13NO2S |
| Molecular Weight | 175.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (S)-2-Methyl-N-(oxetan-3-ylidene)propane-2-sulfinamide (CAS 2105234-95-3)
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- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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