![Molecular structure of (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone (CAS 149249-91-2)](/images/chem_structures_svg/033/149249-91-2.svg)
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone
Also known as: (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]azetidin-2-one, (3R,4S)-1-benzoyl-4-phenyl-3-(triethylsilyloxy)azetidin-2-one, (3R,4S)-1-benzoyl-4-phenyl-3-triethylsilyloxyazetidin-2-one, (3R,4S)-3-triethylsilanyloxy-4-phenyl-N-benzoyl-2-azetidinone, 1-benzoyl-4-phenyl-3-triethylsilanyloxy-azetidin-2-one, 1-benzoyl-4-phenyl-3-triethylsilyloxy-2-azetidinone, 2-Azetidinone, 1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-, (3R,4S)-, MFCD08273950, N-benzoyl-3-triethylsilyloxy-4-phenylazetidin-2-one, PACLITAXEL SIDE CHAIN NO 2
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone (CAS 149249-91-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H27NO3Si and a molecular weight of 381.540 g/mol. Key properties include a boiling point of 467.2±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 236.4±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149249-91-2
- Jingsj CID
- J-1112160-1
- Molecular Formula
- C22H27NO3Si
- Molecular Weight
- 381.540 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 467.2±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 236.4±31.5 °C |
| Exact Mass | 381.176025 |
| PSA | 46.61000 |
| LogP | 4.45 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.567 |
Frequently Asked Questions
What is the CAS number of (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone?
The CAS number of (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone is 149249-91-2.
What are the molecular formula and molecular weight of (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone?
(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone has molecular formula C22H27NO3Si and molecular weight 381.540 g/mol.
What are the upstream and downstream products of (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone?
For (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone, Upstream Products: Benzoyl chloride, (3R,4S)-4-Phenyl-3-[(triethylsilyl)oxy]-2-azetidinone, Chlorotriethylsilane; Downstream Products: Paclitaxel.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone (CAS 149249-91-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1112160-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.