Alpha Campholenic Aldehyde, identified by CAS 4501-58-0, is a specialized monoterpene aldehyde that serves as a critical building block in the fine chemical industry. Derived primarily from the rearrangement of alpha-pinene oxide, this colorless to pale yellow liquid exhibits a distinctive woody and slightly herbal aroma profile. Its chemical structure, characterized by a five-membered ring with an unsaturated side chain, makes it a versatile intermediate for complex organic synthesis.
In industrial and research contexts, this compound is valued for its reactive aldehyde functional group and its specific stereochemical configuration. Proper handling is essential, as it is sensitive to oxidation and should be stored under inert conditions to maintain its high purity. Its role as a precursor is foundational for developing sophisticated aroma chemicals that mimic natural scents, particularly those in the sandalwood family.