Supplier Page from Cayman Chemical for GC-MS Drug Standard Mixture 1
4'-methyl Fentanyl (hydrochloride) (exempt preparation) from Cayman Chemical
JWH 307 3'-isomer from Cayman Chemical
Tapentadol-d3 (hydrochloride) (CRM) from Cayman Chemical
Terbutaline (hemisulfate) from Cayman Chemical