BOP

Castro′s Reagent, Benzotriazole-1-yl-oxy-tris-(dimethylamino)-phosphonium hexafluorophosphate.

Phosphonium coupling reagent for peptide synthesis. Useful in difficult couplings.

CAS No: 56602-33-6

Molecular Formula: C₁₂H₂₂F₆N₆OP₂

MW: 442.28

Purity>98%

Alternative reagent: PyBOP – 60-1005