![CAS 76855-69-1 (3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone molecular structure](https://starshinechemical.com/wp-content/uploads/2022/03/a1124-jpgcontextbwfzdgvyfhjvb3r8mzqynjd8aw1hz2uvanblz3xoywuvadazlzg5mjgynzu0njqymjivqtexmjquanbnfgexztk1zwuyodi1ywyzzwi5otjlzgnmmmq0oguynda0otjkytgxywrkztjinjhjodviyjcyyzzkyzljnjg3njc.jpeg)
CAS RN: 76855-69-1
(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone
Product Availability
Choose a grade to view its available package options.
1 package records1 with current stock1 grade group
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20251124 | 5g / 25g / 100g / 500g | Confirm by inquiry | Shanghai, Shandong | Inquiry |
- Product code: SSC-186269
Verified Factory Data
Supply Overview & Packaging Options
Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.
- Pack sizes on record: 5g, 10g, 25g, 100g
- Available purity: ≥95%
- Inventory rows with stock: 1
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
76855-69-1 / [(2R)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl] acetate
Basic Information
CAS
76855-69-1
Multi CAS
Yes
Molecular Formula
C13H25NO4Si
Molecular Weight
287.430000
Exact Mass
287.155285
InChI
InChI=1S/C13H25NO4Si/c1-8(18-19(6,7)13(3,4)5)10-11(16)14-12(10)17-9(2)15/h8,10,12H,1-7H3,(H,14,16)/t8-,10+,12-/m1/s1
InChIKey
GWHDKFODLYVMQG-UBHAPETDSA-N
Computed Properties
Structural Parameters
Heavy atom count
19
Fraction Csp3
0.85
Rotatable bonds
4
H-bond acceptors
4
H-bond donors
1
Molar refractivity
74.93
TPSA
64.63
LogP / Solubility
WLOGP
2.03
MLOGP
1.8
XLogP3
2.03
Consensus LogP
1.95
Log S (ESOL)
-2.64
Class (ESOL)
Moderately soluble
Log S (Ali)
-3.38
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.69
Class (SILICOS-IT)
Poorly soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.03
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
Yes
Synthetic Accessibility
3
Applications of CAS 76855-69-1
This compound is commonly used in pharmaceutical research and drug discovery, life science and biochemical research, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 76855-69-1 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | [(2R,3R)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl] acetate |
Safety Information (GHS)
Pictogram(s): GHS07, GHS09. Signal word: Warning.
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Precautionary statements: P261, P264+P265, P272, P273, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, P391, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Store under inert gas. Avoid: Moisture Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
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