Tel/ wbpcoltd Buy Etorne HCL Powder at 99.8% Purity FOR SALEWe are offering Etorne (M99) at 99.8% Purity. Etorne (M99) is a semi-synthetic possessing an analgesic potency approximately 1,000â3,000 times that of morne. M99 (etorne hydrochloride) was synthesized by Bentley & Hardy (1963) and is chemically related to morne. When given subcutaneously, M99 is 1,000 to 80,000 times more potent than morne as an analgesic. Its use for immobilizing game animals results largely from its ability to cause catatonia at very low dose levels (for example, the total dose for a rhino may be as low as 5 mg).EtorneOther names: M99, ImmoblionCAS 14521-96-1Formula: C25H33NO4Purity: 99,8% minAppearance: white powderOrders are sent out ASAP, 1st class mail, vacuum sealed, and in stealthy packaging..us anytime