Famprofazone

Famprofazone (Gewodin, Gewolen) is a nonsteroidal anti-inflammatory agent (NSAID) of the pyrazolone series which is available over-the-counter in some countries such as Taiwan.^[1][2][3] It has analgesic, anti-inflammatory, and antipyretic effects.^[1][2] Famprofazone has been known to produce methamphetamine as an active metabolite, with 15–20% of an oral dose being converted to it.^[4][5] As a result, famprofazone has occasionally been implicated in causing positives on drug tests for amphetamines.^[3]

Routes of
administrationOral

ATC code

• none

Legal status

• In general: ℞ (Prescription only)

CAS Number

• 22881-35-2

Quick facts Clinical data, Routes ofadministration ...

Famprofazone

Clinical data
Routes of administration	Oral
ATC code	none
Legal status
Legal status	In general: ℞ (Prescription only)
Identifiers
IUPAC name 1-methyl-5-{[methyl(1-phenylpropan-2-yl)amino]methyl}-2-phenyl-4-(propan-2-yl)-1,2-dihydro-3H-pyrazol-3-one
CAS Number	22881-35-2
PubChem CID	3326
ChemSpider	3209
UNII	HN0NCX453C
ChEMBL	ChEMBL1475693
CompTox Dashboard (EPA)	DTXSID3045435
ECHA InfoCard	100.041.153
Chemical and physical data
Formula	C24H31N3O
Molar mass	377.532 g·mol−1
3D model (JSmol)	Interactive image
SMILES O=C2\C(=C(/N(N2c1ccccc1)C)CN(C(C)Cc3ccccc3)C)C(C)C

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