Because dextromethorphan is an optical isomer from the Agenda II opiate levomethorphan (but won't act like an opiate), an exemption was essential to hold it an uncontrolled substance. The Federal Analog Act does not apply to dextromethorphan simply because a whole new drug software is submitted for it.[citation needed] Thanks https://chemicalglobe.com/product-tag/buy-pure-dxm-dextromethorphan-powder-online/