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Home/Compounds/Pharmaceutical Intermediate/1-Ethyl-4-piperidone
C7H13NO
127.18 g/mol
Pharmaceutical IntermediateWarning

1-Ethyl-4-piperidone

CAS3612-18-8EC222-781-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

1-Ethyl-4-piperidone is a piperidine derivative used as a pharmaceutical intermediate. It serves as a building block in the synthesis of various piperidine-based compounds for pharmaceutical manufacturing.

Pharmaceutical intermediate for piperidine derivatives

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.

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Related Compounds

ApplicationSame Use

Tert-butyl (3R,4R)-4-amino-3-hydroxypiperidine-1-carboxylate

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ApplicationSame Use

Tert-butyl 4-(chloromethyl)-4-(hydroxymethyl)piperidine-1-carboxylate

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ApplicationSame Use

4-Benzyl-4-hydroxypiperidine

CAS51135-96-7

pharmaceutical intermediate

ApplicationSame Use

1-Boc-3-piperidinecarboxamide

CAS91419-49-7

pharmaceutical intermediate

ReferenceSame Category

N-benzyl-4-piperidone

CAS3612-20-2

pharmaceutical intermediate

ReferenceSame Category

(1S,3S,5S)-3-(Aminocarbonyl)-2-azabicyclo[3.1.0]hexane-2-carboxylic acid tert-butyl ester

CAS361440-67-7

pharmaceutical intermediate

ReferenceSame Category

(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamide 2,2,2-trifluoroacetate

CAS361440-69-9

pharmaceutical intermediate

ReferenceSame Category

Boc-3-Hydroxy-1-adamantyl-D-glycine

CAS361442-00-4

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Safety Reference

Harmful
Harmful
Warning
H227
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for 1-Ethyl-4-piperidone (CAS 3612-18-8) is 2933.39.

HS code (international, 6-digit)

2933.39

EU CN code (8-digit)

2933 39 99

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-ethylpiperidin-4-one

InChIKey

BDVKAMAALQXGLM-UHFFFAOYSA-N

SMILES

CCN1CCC(=O)CC1

Synonyms (7)
  • 1-Ethyl-4-piperidinone
  • 1-Ethyl-4-piperidone
  • 1-Ethylpiperidin-4-one
  • 1-ethyl-4-oxopiperidine
  • 4-Piperidinone, 1-ethyl-
  • N-ethyl-4-piperidone
  • N-ethylpiperid-4-one

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