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CAS RN: 333717-40-1 | Product Number: E1306
O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium Hexafluorophosphate
![O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium Hexafluorophosphate No-Image](/medias/E1306.jpg?context=bWFzdGVyfHJvb3R8NDMzOTR8aW1hZ2UvanBlZ3xhRFZqTDJnM01pODRPVEl4TmpZMU5ETTNOekkyTDBVeE16QTJMbXB3Wnd8NzMyN2VhMDNiZDAxYzNlMDJkNDAwYWViYThhMGUzMzVjMzZlN2VlNjY2OTNmYWM0OGEzMjMxZmI4N2U2NWExYQ)
Purity: >98.0%(HPLC)(N)
Synonyms:
- HOTU
Product Documents:
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Product Number | E1306 |
Purity / Analysis Method | >98.0%(HPLC)(N) |
Molecular Formula / Molecular Weight | C__1__0H__1__7F__6N__4O__3P = 386.24 |
Physical State (20 deg.C) | Solid |
Storage Temperature | Refrigerated (0-10°C) |
Condition to Avoid | Heat Sensitive |
CAS RN | 333717-40-1 |
Reaxys Registry Number | 20028743 |
PubChem Substance ID | 354335078 |
MDL Number | MFCD01862832 |
Specifications
Appearance | White to Almost white powder to crystal |
Purity(HPLC) | min. 98.0 area% |
Purity(with Total Nitrogen) | min. 98.0 % |
Melting point | 129.0 to 133.0 °C |
NMR | confirm to structure |
Properties (reference)
Melting Point | 132 °C |
GHS
Pictogram |
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Signal Word | Warning |
Hazard Statements | H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled. H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ 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. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell. P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. |
Related Laws:
Transport Information:
H.S.code* | 2928.00-000 |
Application
Condensing Agent with Less Epimerization
Experimental procedure: HOTU (0.25 mmol) is added to a mixture of Cbz-Phe-OH (0.25 mmol), H-Ala-OCH3·HCl (0.25 mmol) and N-methylmorpholine (0.75 mmol) in dry acetonitrile (5 mL) at 0 °C. The reaction mixture is stirred at the same temperature for 1 h and then at room temperature for 2 h. EtOAc (50 mL) is added and the mixture is subsequently washed with 10% aqueous HCl (v/v), saturated aqueous Na2CO3 and saturated aqueous NaCl solution (2 × 10 mL). Finally, the organic solvent is dried with anhydrous Na2SO4, filtered, and the solvent is removed under reduced pressure. The gummy residue is dried under vacuum to obtain 1 (> 99% yield, DL < 1%).
References
- Synthesis of 2-(4,6-Dimethoxy-1,3,5-triazin-2-yloxyimino) Derivatives: Application in Solution Peptide Synthesis
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