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CAS RN: 165534-43-0 | 產品號碼: D3262
3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one
包裝 | 價格 | 同一天 | 2-3个工作日 |
---|---|---|---|
5G |
NT$3,160
|
30 | ≥80 |
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產品規格
Appearance | White to Almost white powder to crystal |
Purity(HPLC) | min. 98.0 area% |
Purity(with Total Nitrogen) | min. 98.0 % |
Melting point | 72.0 to 76.0 °C |
Solubility in Ethylacetate | almost transparency |
性質
熔點 | 73 °C |
GHS
圖形表示 | |
信號詞 | Warning |
危險性說明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
防範說明 | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. 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. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
相關法規
運輸資料
HS編碼* | 2933.99-000 |
Application
A Condensing Agent
Experimental procedure: to a solution of 1 (1 eq.), 2 (1 eq.) and DEPBT (1 eq.) in THF, triethylamine (2 eq.) is added. The reaction mixture is stirred at room temperature for 2 h. Saturated NaCl solution is added. The peptide is extracted with EtOAc (3 times). The combined organic layer is washed with 1 mol/L HCl, water, 5% Na2CO3, brine and dried over MgSO4. The solvent is removed under reduced pressure and the resulting residue is recrystallized to afford 3 (94% yield).
References
- 3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one (DEPBT): A New Coupling Reagent with Remarkable Resistance to Racemization
考研文獻
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