![Molecular structure of 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)- (CAS 61305-35-9)](/images/chem_structures_svg/122/61305-35-9.svg)
2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)-
Also known as: (R)-4-(tert-Butyldimethylsilyloxy)-2-cyclopenten-1-one, (4R)-(+)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-cyclopenten-1-one, (4R)-4-((tert-Butyldimethylsilyl)oxy)-2-cyclopenten-1-one, (R)-(+)-4-[(tert-Butyldimethylsilyl)oxy]-2-cyclopentenone, (R)-4-tert-Butyldimethylsilyloxy-2-cyclopenten-1-one
2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)- (CAS 61305-35-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H20O2Si and a molecular weight of 212.36100 g/mol. Key properties include a boiling point of 246.1ºC at 760 mmHg, a density of 0.94g/cm3 and a flash point of 85.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 61305-35-9
- Jingsj CID
- J-1990308-3
- Molecular Formula
- C11H20O2Si
- Molecular Weight
- 212.36100 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 246.1ºC at 760 mmHg |
|---|---|
| Density | 0.94g/cm3 |
| Flash Point | 85.4ºC |
| Exact Mass | 212.12300 |
| PSA | 26.30000 |
| LogP | 2.90580 |
| Refractive Index | 1.458 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)-?
The CAS number of 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)- is 61305-35-9.
What are the molecular formula and molecular weight of 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)-?
2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)- has molecular formula C11H20O2Si and molecular weight 212.36100 g/mol.
What are the upstream and downstream products of 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)-?
For 2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)-, Downstream Products: Methyl (R)-(+)-3-(tert-butyldimethylsilyloxy)-5-oxo-1-cyclopentene-1-heptanoate, Prostaglandin D2, Prostaglandin E1.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Cyclopenten-1-one, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4R)- (CAS 61305-35-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990308-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.