Supplier Page from Cayman Chemical for 4'-methyl Fentanyl (hydrochloride) (exempt preparation)
4-methyl Fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
Caffeine-d3 from Cayman Chemical
Escaline (hydrochloride) from Cayman Chemical
GC-MS Drug Standard Mixture 3 from Cayman Chemical