4-FIBF, 4-Fluorobutyrylfentanyl (also known as 4-FBF and p-FBF) is an opioid analgesic that is an analog of butyrfentanyl .It is closely related to 4-fluorofentanyl,
FIBF (hydrochloride) is an analytical reference material that is structurally categorized as an opioid. The physiological and toxicological properties of this compound are not known. This product is intended for research and forensic application.
ONrhemicals is a worldwide leader since 2008 in the distribution of Research Chemicals as well as an international research chemicals manufacturing company. We work along side a highly professional laboratory mainly creating custom synthesis, research, and pharmaceutical chemicals.
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