(3aR,4S,5S,5aR,8aR,8bR)-2,2,7,7-Tetramethylhexahydrobenzo[1,2-d:3,4-d']bis([1,3]dioxole)-4,5-diol CAS 40617-60-5
| CAS No. | 40617-60-5 |
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (3aR,4S,5S,5aR,8aR,8bR)-2,2,7,7-Tetramethylhexahydrobenzo[1,2-d:3,4-d']bis([1,3]dioxole)-4,5-diol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 260.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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,5S,5aR,8aR,8bR)-2,2,7,7-Tetramethylhexahydrobenzo[1,2-d:3,4-d']bis([1,3]dioxole)-4,5-diol (CAS 40617-60-5) is a high-purity analytical reference standard with the molecular formula C12H20O6 and a molecular weight of 260.28 g/mol.
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), (3aR,4S,5S,5aR,8aR,8bR)-2,2,7,7-Tetramethylhexahydrobenzo[1,2-d:3,4-d']bis([1,3]dioxole)-4,5-diol 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 | 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.) | 1968 |
Recommended Standards
- (2S,3S,4aR,8R,8aR)-Hexahydro-8-hydroxy-2,3-dimethoxy-2,3-dimethyl-1,4-benzodioxin-6(5H)-one (CAS 286936-08-1)
- (3aR,5S,6R,6aR)-5-((S)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-ol (CAS 26597-74-0)
- ((3AS,5S,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)methanol (CAS 70932-37-5)
- (3aR,5S,6S,6aR)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-ol (CAS 350255-13-9)
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- Peptide Impurity 04 (CAS 2913424-91-4)
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