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Home/Compounds/API/Α-methylthiofentanyl
C21H28N2OS
356.5 g/mol
API

Alpha-Methylthiofentanyl

CAS103963-66-2
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material

Alpha-Methylthiofentanyl is a DEA Schedule I controlled substance with no currently accepted medical use in the United States, a lack of accepted safety for use under medical supervision, and a high potential for abuse. It is an opioid analgesic that is an analog of fentanyl.

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

ReferenceSame Category

Ceftiofur hydrochloride

CAS103980-44-5

pharmaceutical raw material

ReferenceSame Category

Chlorphenesin

CAS104-29-0

pharmaceutical raw material

ReferenceSame Category

Benzonatate

CAS104-31-4

pharmaceutical raw material

ReferenceSame Category

Laurylpyridinium chloride

CAS104-74-5

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Alpha-Methylthiofentanyl (CAS 103963-66-2) is 2934.92.

HS code (international, 6-digit)

2934.92

EU CN code (8-digit)

2934 92 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

N-phenyl-N-[1-(1-thiophen-2-ylpropan-2-yl)piperidin-4-yl]propanamide

InChIKey

YPOXDUYRRSUFFG-UHFFFAOYSA-N

SMILES

CCC(=O)N(C1CCN(CC1)C(C)CC2=CC=CS2)C3=CC=CC=C3

Synonyms (8)
  • DEA No. 9832
  • alpha-Methylthiofentanyl

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