(3aR,4S,5R,6aS)-4-(tert-Butyldimethylsilyloxy)methyl-5-tetrahydropyranyloxy-hexahydro-2H-cyclopenta[b]furan-2-one CAS 65025-95-8
| CAS No. | 65025-95-8 |
| Molecular Formula | C19H34O5Si |
| Molecular Weight | 370.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(3aR,4S,5R,6aS)-4-(tert-Butyldimethylsilyloxy)methyl-5-tetrahydropyranyloxy-hexahydro-2H-cyclopenta[b]furan-2-one (CAS 65025-95-8) is a high-purity analytical reference standard with the molecular formula C19H34O5Si and a molecular weight of 370.56 g/mol.
Based on its molecular formula C19H34O5Si, (3aR,4S,5R,6aS)-4-(tert-Butyldimethylsilyloxy)methyl-5-tetrahydropyranyloxy-hexahydro-2H-cyclopenta[b]furan-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 370.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), (3aR,4S,5R,6aS)-4-(tert-Butyldimethylsilyloxy)methyl-5-tetrahydropyranyloxy-hexahydro-2H-cyclopenta[b]furan-2-one 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 | C19H34O5Si |
| Molecular Weight | 370.56 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
Recommended Standards
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- 8-Bromo-6-chloro-N-(3-fluoropyridin-4-yl)imidazo[1,2-b]pyridazine-3-carboxamide (CAS 1177415-98-3)
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- (3-(Adamantan-1-yl)-1H-pyrazol-5-yl)methanol (CAS 493038-57-6)
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- 1-(2,6-Dimethylpiperazin-1-yl)ethan-1-one hydrochloride (CAS 1955554-68-3)
- 1-(Methylsulfonyl)-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine (CAS 1428329-80-9)
- Ethyl (S)-tetrahydrothiophene-2-carboxylate (CAS 2155869-82-0)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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