| CAS No. | 205249-06-5 |
| Molecular Formula | C9H17NO6S |
| Molecular Weight | 267.30 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.
Des-[4,5-O-(1-methylethylidene)] Topiramate (CAS 205249-06-5), molecular formula C9H17NO6S and molecular weight 267.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H17NO6S, Des-[4,5-O-(1-methylethylidene)] Topiramate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 267.30 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 Des-[4,5-O-(1-methylethylidene)] Topiramate 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 | C9H17NO6S |
| Molecular Weight | 267.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |