Supplier Page from Cayman Chemical for Normeperidine (hydrochloride) (CRM)
(±)-cis-3-methyl Norfentanyl from Cayman Chemical
4'-methyl Acetyl fentanyl (hydrochloride) from Cayman Chemical
Tapentadol-d3 (hydrochloride) (CRM) from Cayman Chemical
U-47700 from Cayman Chemical