An Analytical Reference Standard
Features
  • This product has been formulated as an exempt preparation which meets criteria established by the US DEA
  • Possession of a DEA Controlled Substance registration is not necessary nor is a DEA 222 form required to purchase this product
  • This product is intended to be used as an analytical reference standard
  • Bulk material is available for academic research at qualified institutions; please contact our sales department for pricing
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para-Fluorobutyryl fentanyl (hydrochloride) (exempt preparation)

Item No. 44602

Synonyms
Synonyms
  • 4-FBF
  • p-FBF
  • para-FBF
  • 4-Fluorobutyryl fentanyl
  • p-Fluorobutyryl fentanyl
Technical Information
Formal Name
N-(4-fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]-butanamide, monohydrochloride
CAS Number
2306823-23-2
Molecular Formula
C23H29FN2O • HCl
Formula Weight
Purity
≥98%
A 100 µg/ml solution in methanol
SMILES
O=C(CCC)N(C1CCN(CCC2=CC=CC=C2)CC1)C3=CC=C(F)C=C3.Cl
InChi Code
InChI=1S/C23H29FN2O.ClH/c1-2-6-23(27)26(21-11-9-20(24)10-12-21)22-14-17-25(18-15-22)16-13-19-7-4-3-5-8-19;/h3-5,7-12,22H,2,6,13-18H2,1H3;1H
InChi Key
PHLSIUUOEZTSBB-UHFFFAOYSA-N
Regulatory Information
DEA Exempt Notification
This product is a DEA exempt preparation of a scheduled compound - does not require DEA Controlled Substance registration or DEA 222 form. For alternate sizes please contact sales.
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    para-Fluorobutyryl fentanyl (hydrochloride) (exempt preparation) (Item No. 44602) is an analytical reference standard categorized as an opioid.1,2,3 para-Fluorobutyryl fentanyl has antinociceptive activity in mice.2,3 It has been associated with fatal overdoses.4 para-Fluorobutyryl fentanyl is regulated as a Schedule I compound in the United States. para-Fluorobutyryl fentanyl (hydrochloride) (exempt preparation) (Item No. 44602) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Kanamori, T., Okada, Y., Segawa, H., et alEvaluation of agonistic activity of fluorinated and nonfluorinated fentanyl analogs on μ-opioid receptor using a cell-based assay system. Biol. Pharm. Bull. 44(2), 159-161 (2021).

    2. Varshneya, N.B., Walentiny, D.M., Moisa, L.T., et alOpioid-like antinociceptive and locomotor effects of emerging fentanyl-related substances. Neuropharmacology 151, 171-179 (2019).

    3. Varshneya, N.B., Hassanien, S.H., Holt, M.C., et alFentanyl analog structure-activity relationships demonstrate determinants of diverging potencies for antinociception and respiratory depression. Pharmacol. Biochem. Behav. 226, 173572 (2023).

    4. Danaceau, J.P., Wood, M., Ehlers, M.D., et alAnalysis of 17 fentanyls in plasma and blood by UPLC-MS/MS with interpretation of findings in surgical and postmortem casework. Clin. Mass Spec. 18, 38-47 (2020).