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.
RChemicals is a one of the leaders in the distribution of Research Chemicals as well as an international research chemicals manufacturing company. We work along side with a highly professional laboratory mainly creating custom synthesis, research, and pharmaceutical chemicals.
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