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CAS RN: 56602-33-6 | Product Number: B1651

1H-Benzotriazol-1-yloxytris(dimethylamino)phosphonium Hexafluorophosphate [Coupling Reagent for Peptide]

Purity: >98.0%(HPLC)
  • BOP
  • Castro's Reagent
2   ≥20 
5   ≥20 
1   ≥20 

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Product Number B1651
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__2H__2__2F__6N__6OP__2 = 442.29  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Moisture Sensitive
CAS RN 56602-33-6
Reaxys Registry Number 4287025
PubChem Substance ID 87564552
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Lambda max. 253.0 to 257.0 nm(CH3CN)
Absorbance min. 0.280(0.02g/L, CH3CN, 253.0 to 257.0 nm)
Properties (reference)
Maximum Absorption Wavelength 255(CH3CN) nm
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.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
EC Number 260-279-1
Transport Information:
HS Number 2933998090
A Condensing Agent

Total Synthesis of the Cyclopeptide Alkaloid Abyssenine A. Application of Inter- and Intramolecular Copper-Mediated Coupling Reactions in Organic Synthesis

M. Toumi, F. Couty, G. Evano, J. Org. Chem. 2007, 72, 9003.

PubMed Literature

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