Buy U-49900 Powder Online | Get Price For U-49900 Online | Order CAS 67579-76-4


A new synthetic opioid gaining presence is U-49900. U-49900 is a structural analogue of U-47700, another synthetic opioid recently scheduled by the drug enforcement administration (DEA) to address toxicity-related fatalities as a result of its inappropriate use in the past two years.

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