3a,6,7,7a-Tetrahydro-5-(hydroxymethyl)-2-(methyl)-(3aR,5R,6S,7R,7aR)-5H-Pyrano[3,2-d]thiazole-6,7-diol-d CAS 944070-25-1
| CAS No. | 944070-25-1 |
| Molecular Formula | - |
| Molecular Weight | 222.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H10D3NO4S, 3a,6,7,7a-Tetrahydro-5-(hydroxymethyl)-2-(methyl)-(3aR,5R,6S,7R,7aR)-5H-Pyrano[3,2-d]thiazole-6,7-diol-d contains deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 222.28 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.
3a,6,7,7a-Tetrahydro-5-(hydroxymethyl)-2-(methyl)-(3aR,5R,6S,7R,7aR)-5H-Pyrano[3,2-d]thiazole-6,7-diol-d (CAS 944070-25-1), molecular formula C8H10D3NO4S and molecular weight 222.28 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H10D3NO4S |
| Molecular Weight | 222.28 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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