![Molecular structure of (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one (CAS 65025-95-8)](/images/chem_structures_svg/260/65025-95-8.svg)
(3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one
Also known as: (3aR,4S,5R,6aS)-4-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]hexahydro-5-[(tetrahydro-2H-pyran-2-yl)oxy]-2H-cyclopenta[b]furan-2-one, (3aR,4S,5R,6aS)-4-({[tert-Butyl(dimethyl)silyl]oxy}methyl)-5-(tetrahydro-2H-pyran-2-yloxy)hexahydro-2H-cyclopenta[b]furan-2-one, Corey lactone THP ether TBS ether, THP-protected Corey lactone TBS ether, 4-((tert-Butyldimethylsilyloxy)methyl)-5-(tetrahydro-2H-pyran-2-yloxy)hexahydro-2H-cyclopenta[b]furan-2-one
(3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one (CAS 65025-95-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H34O5Si and a molecular weight of 370.556 g/mol. Key properties include a melting point of 40-53ºC(lit.), a boiling point of 451.8±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 188.6±24.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65025-95-8
- Jingsj CID
- J-72841-6
- Molecular Formula
- C19H34O5Si
- Molecular Weight
- 370.556 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-53ºC(lit.) |
|---|---|
| Boiling Point | 451.8±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 188.6±24.3 °C |
| Exact Mass | 370.217560 |
| PSA | 53.99000 |
| LogP | 2.21 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.489 |
Frequently Asked Questions
What is the CAS number of (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one?
The CAS number of (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one is 65025-95-8.
What are the molecular formula and molecular weight of (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one?
(3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one has molecular formula C19H34O5Si and molecular weight 370.556 g/mol.
What are the upstream and downstream products of (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one?
For (3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one, Upstream Products: 3,4-Dihydro-2H-pyran, Corey lactone, tert-Butyldimethylchlorosilane; Downstream Products: (-)-Corey lactone diol, Corey lactone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3aR,4S,5R,6aS)-4-(((tert-Butyldimethylsilyl)oxy)methyl)-5-((tetrahydro-2H-pyran-2-yl)oxy)hexahydro-2H-cyclopenta[b]furan-2-one (CAS 65025-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-72841-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.