|Appearance||White to off-white powder|
|Storage||+2 … +8 °C|
Alcohol group of the 28-Acetalbetulinaldehyde group can be used for different ester or ether synthesis, or for oxidation purposes, to introduce aldehyde group at C(28) position for introduction of heteroatoms, nucleophilic reactions, or homologation reactions. Late-stage removal of protecting group at C(3) position allows obtaining unprotected betulin derivatives. For more betulin derivatives click here.