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CAS RN: 165534-43-0 | Product Number: D3262
3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one
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Purity: >98.0%(HPLC)(N)
Synonyms:
- DEPBT
- Diethyl 3,4-Dihydro-4-oxo-1,2,3-benzotriazin-3-yl Phosphate
Product Documents:
| Size | Unit Price | Philadelphia, PA | Portland, OR | Japan* | Quantity |
|---|---|---|---|---|---|
| 5G |
$56.00
|
Contact Us | Contact Us | ≥100 |
|
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| Product Number | D3262 |
| Purity / Analysis Method | >98.0%(HPLC)(N) |
| Molecular Formula / Molecular Weight | C__1__1H__1__4N__3O__5P = 299.22 |
| 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 | Hygroscopic |
| CAS RN | 165534-43-0 |
| Reaxys Registry Number | 7489262 |
| PubChem Substance ID | 87557985 |
Specifications
| 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 |
Properties (reference)
| Melting Point | 73 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. 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. P302 + P352 : IF ON SKIN: Wash with plenty of soap and water. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P362 : Take off contaminated clothing and wash before reuse. |
Related Laws:
Transport Information:
| HS Number | 2933.99.7900 |
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
PubMed Literature
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