Etonitazepipne

Etonitazepipne

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	408.5 g/mol ^[1]
Predicted LogP	4.4 ^[1]

Structural Identifiers []
Molecular formula	C₂₃H₂₈N₄O₃ ^[1]
IUPAC name	2-[(4-ethoxyphenyl)methyl]-5-nitro-1-(2-piperidin-1-ylethyl)benzimidazole ^[1]
SMILES	CCOC1=CC=C(C=C1)CC2=NC3=C(N2CCN4CCCCC4)C=CC(=C3)[N+](=O)[O-] ^[1]
InChI	InChI=1S/C23H28N4O3/c1-2-30-20-9-6-18(7-10-20)16-23-24-21-17-19(27(28)29)8-11-22(21)26(23)15-14-25-12-4-3-5-13-25/h6-11,17H,2-5,12-16H2,1H3 ^[1]
InChIKey	UMGXRAISFRUVKD-UHFFFAOYSA-N ^[1]

Etonitazepipne (also known as N-piperidinyl etonitazene, 2-((4-Ethoxyphenyl)methyl)-5-nitro-1-(2-(1-piperidinyl)ethyl)-1H-benzimidazole, 1H-Benzimidazole, 2-((4-ethoxyphenyl)methyl)-5-nitro-1-(2-(1-piperidinyl)ethyl)-, Dea no. 9761 or 2-(4-ethoxybenzyl)-5-nitro-1-(2-(piperidin-1-yl)ethyl)-1H-benzimidazole) is a opioid substance of the nitazepipne class.

Chemistry

Stereochemistry []

Etonitazepipne is a achiral mixture.

Reagents

There are currently 3 reagent-interactions on DrugsPRO

Reagent	Color change
Marquis
Mecke
Mandelin

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

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 162623834, Etonitazepipne. Accessed June 7, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/162623834
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Etonitazepipne. UNII: 7AF6EZ8PMY. Global Substance Registration System. Accessed June 7, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/7AF6EZ8PMY

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