Feprazone

Feprazone (or prenazone) is a drug used for joint and muscular pain.^[1]

AHFS/Drugs.comInternational Drug Names

ATC code

• M02AA16 (WHO)

CAS Number

• 30748-29-9 ^Y

PubChem CID

• 35455

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Feprazone

Clinical data
AHFS/Drugs.com	International Drug Names
ATC code	M02AA16 (WHO)
Identifiers
IUPAC name 4-(3-methylbut-2-enyl)-1,2-di(phenyl)pyrazolidine-3,5-dione
CAS Number	30748-29-9 Y
PubChem CID	35455
ChemSpider	32612 Y
UNII	7BVX6J0CGR
KEGG	D01305 Y
CompTox Dashboard (EPA)	DTXSID3023051
ECHA InfoCard	100.045.735
Chemical and physical data
Formula	C20H20N2O2
Molar mass	320.392 g·mol−1
3D model (JSmol)	Interactive image
SMILES O=C2N(c1ccccc1)N(C(=O)C2C\C=C(/C)C)c3ccccc3
InChI InChI=1S/C20H20N2O2/c1-15(2)13-14-18-19(23)21(16-9-5-3-6-10-16)22(20(18)24)17-11-7-4-8-12-17/h3-13,18H,14H2,1-2H3 Y Key:RBBWCVQDXDFISW-UHFFFAOYSA-N Y
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It is an analog of phenylbutazone but instead of a n-butyl group it is prenylated.