Supplier Page from Cayman Chemical for Butorphanol (tartrate) (CRM)
(±)-Norpseudoephedrine (hydrochloride) from Cayman Chemical
4-Methylphenmetrazine (hydrochloride) from Cayman Chemical
para-methyl Norfentanyl (hydrochloride) from Cayman Chemical
Sufentanil-d5 (CRM) from Cayman Chemical