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CAS RN: 148893-10-1 | Product Number: A1797


Purity: >98.0%(HPLC)
  • 1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-Oxide Hexafluorophosphate
9   6   ≥20 
4   7   ≥20 

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Product Number A1797
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__0H__1__5F__6N__6OP = 380.24  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive,Heat Sensitive
CAS RN 148893-10-1
Reaxys Registry Number 11805773
PubChem Substance ID 125307047
MDL Number


Appearance White to Almost white powder to crystaline
Purity(HPLC) min. 98.0 area%
Properties (reference)
Melting Point 186 °C(dec.)
Pictogram 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 2933.99.8290
A Condensing Reagent

Experimental procedure1): L-leucine tert-butyl ester hydrochloride (1, 67 mg, 0.3 mmol), N-Fmoc-L-proline (2, 101 mg, 0.3 mmol) and HATU (171 mg, 0.45 mmol) are added to a flask under argon. Anhydrous dichloromethane (1 mL), anhydrous DMF (0.5 mL), and collidine (79 µL, 0.6 mmol) are added and stirred at room temperature for 3 hr. HCl (1 mol/L, 1 mL) is added and the reaction mixture is diluted with dichloromethane (3 mL) and washed with H2O (3 x 1.5 mL). The crude mixture is concentrated in vacuo and then purified by flash chromatography (hexane:EtOAc = 1:0 ~ 1:1) to yield 3 as a white solid (151 mg, 0.3 mmol) in 99% yield.


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