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1799 Fluorophen
dc13bde2882bbd3effa3b929e54040aaab817f450070addfc6226dc9bb73f865

Properties

Background

Purple
Bottle

Light blue
Cap

Pink
Syringe

Light green
Bubbles
No
Drops
No
Label
Leaf

Chemistry

Formula
C22H26FNO
Carbon
22
Polarity
Neutral

Fluorophen, or fluorofen, is a fluorinated analogue of phenazocine, an opioid drug of the benzomorphan group, which was developed as a radioligand for the purpose of labeling opioid receptors during PET scans (with ¹⁸F). Unlike most other benzomorphan derivatives, fluorophen acts as a full agonist of the opioid receptors with preferential affinity for the μ-opioid receptor (approximately 6x that of morphine), similar but slightly lower affinity for the δ-opioid receptor, and very low affinity for the κ-opioid receptor.

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