N-Ethylpentedrone

N-Ethylpentedrone (also known as α-ethylaminopentiophenone, α-EAPP, α-ethylamino-valerophenone, N-ethylnorpentedrone, Ethylnorpentedrone, Ethylpentedrone and NEP) is a chemical compound and stimulant of the substituted cathinone class.^[5] Since the mid-2010s, NEP has been sold online as a designer drug.^[6][7] It is the N-ethyl analog of pentedrone. N-Ethylpentedrone acts as a norepinephrine-dopamine reuptake inhibitor (NDRI) without inducing monoamine release.

N-Ethylpentedrone

Legal status
Legal status	BR: Class F2 (Prohibited psychotropics)[1] DE: NpSG (Industrial and scientific use only) UK: Class B Illegal in Japan and as of October 2025 legal,[2] but "suspicious" to produce, in China, Controlled substance in Sweden[3][4]
Identifiers
IUPAC name 2-(Ethylamino)-1-phenylpentan-1-one
CAS Number	779974-89-9 18268-16-1 (HCl)
PubChem CID	205592
ChemSpider	178126
UNII	B483GRH93Q
CompTox Dashboard (EPA)	DTXSID201024619
Chemical and physical data
Formula	C13H19NO
Molar mass	205.301 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCCC(C(=O)C1=CC=CC=C1)NCC
InChI InChI=InChI=1S/C13H19NO/c1-3-8-12(14-4-2)13(15)11-9-6-5-7-10-11/h5-7,9-10,12,14H,3-4,8H2,1-2H3 Key:QQAHEGDXEXIQPR-UHFFFAOYSA-N

Legal status

NEP is illegal in Japan and^[8] China, and is classified as a '"potentially harmful substance"', thus, controlled, but not banned in Sweden and UK.^[9][10]

See also

• Pentedrone
• 4-Methylethcathinone
• 4'-Methyl-α-pyrrolidinohexiophenone
• α-Pyrrolidinohexiophenone
• Ethcathinone
• N-Ethylbuphedrone
• N-Ethylhexedrone
• N-Ethylheptedrone
• Ephylone