((3AR,4S,6R,6aR)-2,2,2',2'-tetramethyldihydro-6H-spiro[furo[3,4-d][1,3]dioxole-4,4'-[1,3]dioxolan]-6-yl)methanol CAS 34626-95-4
| CAS No. | 34626-95-4 |
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
((3AR,4S,6R,6aR)-2,2,2',2'-tetramethyldihydro-6H-spiro[furo[3,4-d][1,3]dioxole-4,4'-[1,3]dioxolan]-6-yl)methanol (C12H20O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
((3AR,4S,6R,6aR)-2,2,2',2'-tetramethyldihydro-6H-spiro[furo[3,4-d][1,3]dioxole-4,4'-[1,3]dioxolan]-6-yl)methanol (CAS 34626-95-4) is a high-purity analytical reference standard with the molecular formula C12H20O6 and a molecular weight of 260.28 g/mol.
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.
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 | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
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- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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