AnodyneWiki

Butyrylfentanyl

Butyrylfentanyl

Salts []
Butyrylfentanyl hydrochloride

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	350.5 g/mol ^[1]
Predicted LogP	4.4 ^[1]

Structural Identifiers []
Molecular formula	C₂₃H₃₀N₂O ^[1]
IUPAC name	N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]butanamide ^[1]
SMILES	CCCC(=O)N(C1CCN(CC1)CCC2=CC=CC=C2)C3=CC=CC=C3 ^[1]
InChI	InChI=1S/C23H30N2O/c1-2-9-23(26)25(21-12-7-4-8-13-21)22-15-18-24(19-16-22)17-14-20-10-5-3-6-11-20/h3-8,10-13,22H,2,9,14-19H2,1H3 ^[1]
InChIKey	QQOMYEQLWQJRKK-UHFFFAOYSA-N ^[1]

Butyrylfentanyl (also known as N-Phenyl-N-(1-(2-phenylethyl)-4-piperidinyl)butanamide, Butyrfentanyl, Butyr-fentanyl, Butyryl fentanyl, Butyryl-fentanyl, N-(1-Phenethylpiperidin-4-yl)-N-phenylbutyramide, Nih-10486 free base, N-(1-phenylethyl)-4-piperidinyl)-N-phenylbutyramide, N-Phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]butanamide or Dtxcid20298482) is a opioid substance of the phenethylpiperidine class.

Chemistry

Salts []

Butyrylfentanyl is typically found in the form of its hydrochloride salt.

Stereochemistry []

Butyrylfentanyl is a achiral mixture.

Reagents

There are currently 4 reagent-interactions on DrugsPRO

Reagent	Color change
Marquis
Mecke
Mandelin
Simon's

Subjective effects []

class / Opioid

Physical effects
Constipation Cough suppression Difficulty urinating Itchiness Nausea Pain relief Pupil constriction Respiratory depression Sedation Stomach cramp

Cognitive effects
Anxiety suppression Cognitive euphoria Compulsive redosing Increased music appreciation Thought deceleration

Visual effects
Double vision

Experience reports

Erowid

There are currently 1 experience reports involving butyrylfentanyl on Erowid: []

"Straight to the Point" by SLY303

Legal status []

Brazil: Butyrylfentanyl is a F1 substance.
Canada: Butyrylfentanyl is a Schedule I substance.
Germany: Butyrylfentanyl is a Anlage II substance.
United Kingdom: Butyrylfentanyl is a Class A substance.
United States: Butyrylfentanyl is a Schedule I under the "Controlled Substances Act (CSA)".

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 621174, Butyrylfentanyl. Accessed May 25, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/621174
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Butyrylfentanyl. UNII: 07V1H7R6ZN. Global Substance Registration System. Accessed May 25, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/07V1H7R6ZN