U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry RACEMIC
Molecular Formula C24H31N3O
Molecular Weight 377.5224
Optical Activity ( + / - )
Defined Stereocenters 0 / 1
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of FAMPROFAZONE

SMILES

CC(CC1=CC=CC=C1)N(C)CC2=C(C(C)C)C(=O)N(N2C)C3=CC=CC=C3

InChI

InChIKey=GNUXVOXXWGNPIV-UHFFFAOYSA-N
InChI=1S/C24H31N3O/c1-18(2)23-22(17-25(4)19(3)16-20-12-8-6-9-13-20)26(5)27(24(23)28)21-14-10-7-11-15-21/h6-15,18-19H,16-17H2,1-5H3

HIDE SMILES / InChI
Famprofazone, a nonsteroidal anti-inflammatory agent, is found in a multi-ingredient medication (Gewodin) used for pain relief. It is available over-the-counter in Taiwan. Famprofazone transforms to methamphetamine (MA) and amphetamine (AM) following administration, which is responsible for the side effects of the drug. For example, famprofazone user might be interpreted as an illicit MA abuser in Taiwan because the user's urine tested positive for MA.

Approval Year

Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Palliative
Unknown

Approved Use

Unknown
PubMed

PubMed

TitleDatePubMed
Famprofazone use can be misinterpreted as methamphetamine abuse.
2010-07-29
Famprofazone as the source of methamphetamine and amphetamine in urine specimen collected during sport competition.
2007-03
Metabolic profile of famprofazone following multidose administration.
2004-09
Metabolic profile of amphetamine and methamphetamine following administration of the drug famprofazone.
2003-10
Precursor medications as a source of methamphetamine and/or amphetamine positive drug testing results.
2002-05
Toxicokinetics of amphetamines: metabolism and toxicokinetic data of designer drugs, amphetamine, methamphetamine, and their N-alkyl derivatives.
2002-04
Patents

Patents

Sample Use Guides

25 mg once per day
Route of Administration: Oral
In Vitro Use Guide
Unknown
Name Type Language
FAMPROFAZONE
INN   MART.   WHO-DD  
INN  
Official Name English
NSC-759244
Preferred Name English
FAMPROFAZONE [MART.]
Common Name English
Famprofazone [WHO-DD]
Common Name English
4-ISOPROPYL-2-METHYL-3-((METHYL(.ALPHA.-METHYLPHENETHYL)AMINO)METHYL)-1-PHENYL-3-PYRAZOLIN-5-ONE
Systematic Name English
famprofazone [INN]
Common Name English
Classification Tree Code System Code
NCI_THESAURUS C257
Created by admin on Mon Mar 31 18:14:15 GMT 2025 , Edited by admin on Mon Mar 31 18:14:15 GMT 2025
Code System Code Type Description
ECHA (EC/EINECS)
245-284-9
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PRIMARY
DRUG CENTRAL
1130
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PRIMARY
NSC
759244
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PRIMARY
CAS
22881-35-2
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PRIMARY
WIKIPEDIA
Famprofazone
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PRIMARY
FDA UNII
HN0NCX453C
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PRIMARY
EPA CompTox
DTXSID3045435
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PRIMARY
NCI_THESAURUS
C65616
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PRIMARY
PUBCHEM
3326
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PRIMARY
MESH
C076013
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PRIMARY
ChEMBL
CHEMBL1475693
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PRIMARY
EVMPD
SUB07506MIG
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PRIMARY
SMS_ID
100000081760
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PRIMARY
INN
2645
Created by admin on Mon Mar 31 18:14:15 GMT 2025 , Edited by admin on Mon Mar 31 18:14:15 GMT 2025
PRIMARY