Phytocannabinoid Mixture 4 (CRM) by Cayman Chemical Co.
Phytocannabinoid Mixture 4 (CRM) (Item No. 25106) is a certified reference material mixture designed for use as a reference standard for these major controlled substances during routine analytical checks using HPLC-UV or LC- or GC-MS instrumentation. Included are ?9-THC, ?8-THC, THCA-A, and cannabidiol. The mixture is supplied in an amber ampule in which the headspace has been purged with argon.