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CAS RN: 76855-69-1 | Product Number: A1124
(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone
![Thumbnail of (3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone](/medias/A1124.jpg?context=bWFzdGVyfHJvb3R8MTQzOTJ8aW1hZ2UvanBlZ3xhRGM1TDJnMFlpODRPVE15T1RReE16WTFNamM0TDBFeE1USTBMbXB3Wnd8NzQzNzMyZTQzOGEyM2FiODM3ZjdiMGFkOWI1N2Y0ZWY1YTA1ODNlMzZkZDZkNTE4YmE2NzhhM2IyMDlkZmI3Nw "(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone")
![Chemical Structure of (3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone](/medias/A1124.jpg?context=bWFzdGVyfHJvb3R8NDk0OTh8aW1hZ2UvanBlZ3xhREptTDJnek9DODRPVEU1TlRZMk1qVTBNVEV3TDBFeE1USTBMbXB3Wnd8NTQ3M2RjMWM1ZGZhNjZmMWE4OWMwMWVhNDVkZTc5MjM0NDkyODJjYTc3ZDk1MmUzOTkwYjU4M2Q1NjcyM2I4Ng "(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone")
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![(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone](/_ui/responsive/theme-tci/images/missing_product_zoom.webp "(3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone")
Purity: >98.0%(N)
Synonyms:
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time |
Shipping Information
|
|---|---|---|---|---|---|
| 5G |
$36.00
|
6 | 1 | It can be shipped in about 2 weeks after ordering |
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| Product Number | A1124 |
Purity / Analysis Method 
|
>98.0%(N) |
| Molecular Formula / Molecular Weight | C__1__3H__2__5NO__4Si = 287.43 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive |
| CAS RN | 76855-69-1 |
| Reaxys Registry Number | 4690202 |
| PubChem Substance ID | 87562608 |
| MDL Number | MFCD00077636 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(with Total Nitrogen) | min. 98.0 % |
| Melting point | 107.0 to 110.0 °C |
| Specific rotation [a]20/D | +53.0 to +59.0 deg(C=0.5, Toluene) |
| Solubility in Methanol | almost transparency |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 108 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H319 : Causes serious eye irritation. H317 : May cause an allergic skin reaction. H411 : Toxic to aquatic life with long lasting effects. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust. P273 : Avoid release to the environment. P272 : Contaminated work clothing should not be allowed out of the workplace. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P391 : Collect spillage. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention. |
Related Laws:
Transport Information:
| UN Number | UN3077 |
| Class | 9 |
| Packing Group | III |
| H.S.code* | 2933.79-000 |
Application
Riluzole: A Neuroprotective Agent
References
- Y. Nagao, T. Kumagai, S. Tamai, T. Abe, Y. Kuramoto, T. Taga, S. Aoyagi, Y. Nagase, M. Ochiai, Y. Inoue, E. Fujita, J. Am. Chem. Soc. 1986, 108, 4673.
- L. M. Fuentes, I. Shinkai, T. N. Salzmann, ibid. 1986, 108, 4675.
- F. Shirai, T. Nakai, J. Org. Chem. 1987, 52, 5491.
- T. Shibata, K. Iino, T. Tanaka, T. Hashimoto, Y. Kameyama, Y. Sugimura, Tetrahedron Lett. 1985, 26, 4739.
- M. Sugimura, T. Hiraoka, YAKUGAKU ZASSHI 1987, 107, 175.
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