CAS Registry Number

CAS 165534-43-0 — 3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4-(3H)-one (DEPBT)

3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4-(3H)-one (DEPBT) is a versatile coupling reagent used in peptide synthesis and organic chemistry to facilitate amide bond formation under mild conditions. It is particularly valued for its efficiency in coupling challenging substrates with minimal racemization or side reactions. DEPBT has a CAS number of 165534-43-0, a molecular formula of C11H14N3O5P, and a molecular weight of 299.22 g/mol. Store at 2 to 8°C, with a signal word of Warning. Molekula supplies DEPBT from research to bulk quantities with full documentation and ISO 9001:2015 traceability.