C13H17NO
203.28 g/mol
Pharmaceutical IntermediateWarning
1-Phenethyl-4-piperidone
CAS39742-60-4EC254-613-5
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
1-Phenethyl-4-piperidone is a chemical compound that serves as an intermediate in the production of certain pharmaceutical substances, including fentanyl.
Pharmaceutical intermediate in fentanyl synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:CN Precursor Chemicals Cat.1UN 1988 Convention Table I PrecursorsUS DEA List I Chemicals
CAS 39742-60-4
Related Compounds
ReferenceSame Category
6-Hydroxy-5-nitro-2-picoline
CAS39745-39-6
pharmaceutical intermediate
ReferenceSame Category
2-Chloro-6-methylpyridin-3-amine
CAS39745-40-9
pharmaceutical intermediate
ReferenceSame Category
(-)-Corey aldehyde benzoate
CAS39746-01-5
pharmaceutical intermediate
ReferenceSame Category
2,6-Adamantanedione
CAS39751-07-0
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 1-Phenethyl-4-piperidone (CAS 39742-60-4) is 2933.37.
HS code (international, 6-digit)
2933.37
EU CN code (8-digit)
2933 37 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-(2-phenylethyl)piperidin-4-one
InChIKey
YDJXNYNKKXZBMP-UHFFFAOYSA-N
SMILES
C1CN(CCC1=O)CCC2=CC=CC=C2
Synonyms (21)
- 1-(2-Phenethyl)-4-Piperidone
- 1-(beta-Phenethyl)piperidone
- 1-Phenethyl-4-piperidinone
- 1-Phenethyl-4-piperidone
- 1-phenethylpiperidin-4-one
- 1-phenylethyl-4-piperidone
- 4-Piperidone, 1-phenethyl-
- J83.625G
- N-(2-Phenethyl)-4-Piperidone
- N-Phenethylpiperidin-4-one
- N-phenethyl-4-piperidinone
- n-phenethyl-4-piperidone