Supplier Page from Cayman Chemical for Fentanyl-13C6 (hydrochloride) (CRM)
(±)-cis-3-methyl Norfentanyl from Cayman Chemical
(–)-11-nor-9-carboxy-Δ9-THCP from Cayman Chemical
Caffeine-d3 from Cayman Chemical
N-Benzyl-4-piperidone from Cayman Chemical