Gastrodin (CAS 62499?27?8), chemical name 4?(Hydroxymethyl)phenyl?β?D?glucopyranoside, is an active pharmaceutical ingredient extracted from Gastrodia elata. It appears as white crystalline powder with stable chemical properties under normal conditions. Freely soluble in water and methanol, slightly soluble in ethanol, incompatible with strong oxidants. Avoid high?temperature exposure; store in sealed and dry environment.

It is a key pharmaceutical raw material with neuroprotective, sedative and analgesic activities. Widely used in formulations for headache, vertigo and neurasthenia. It can also serve as reference standard for related pharmaceutical analysis.