This product is intended for customers who require an alternate batch for Phytocannabinoid Mixture 11 (Item No. 32841). Phytocannabinoid Mixture 11 (Alt. Batch CRM) (0.5 ml, 1 mg/ml) (Item No. 41236) is a certified reference material mixture containing compounds that can be isolated from plants in the genus Cannabis. This mixture contains Δ⁹-THC, Δ⁸-THC, THCA-A, and cannabinol, among others. The mixture is supplied in an amber ampule where the headspace is purged with argon. It is designed for method development and as a reference standard for these substances during routine analytical checks using LC-MS and HPLC-UV instrumentation.