Flubromazepam

Flubromazepam is a benzodiazepine derivative which was first synthesized in 1960,^[1] but was never marketed and did not receive any further attention or study until late 2012 when it appeared on the grey market as a novel designer drug.^{[2][3][4][5][6][7][8]}

Routes of
administrationOral

Legal status

• CA: Schedule IV
• DE: Anlage II (Authorized trade only, not prescriptible)
• UK: Class C
• US: Unscheduled (Virginia, Schedule I)

Elimination half-life106 hours

CAS Number

• 2647-50-9 ^Y

Quick facts Clinical data, Routes ofadministration ...

Flubromazepam

Clinical data
Routes of administration	Oral
Legal status
Legal status	CA: Schedule IV DE: Anlage II (Authorized trade only, not prescriptible) UK: Class C US: Unscheduled (Virginia, Schedule I)
Pharmacokinetic data
Elimination half-life	106 hours
Identifiers
IUPAC name 7-Bromo-5-(2-fluorophenyl)-1,3-dihydro-1,4-benzodiazepin-2-one
CAS Number	2647-50-9 Y
PubChem CID	12947024
ChemSpider	10441497
UNII	GKX573279U
CompTox Dashboard (EPA)	DTXSID40513609
ECHA InfoCard	100.428.842
Chemical and physical data
Formula	C15H10BrFN2O
Molar mass	333.160 g·mol−1
3D model (JSmol)	Interactive image
SMILES BrC1=CC(C(C2=CC=CC=C2F)=NC3)=C(C=C1)NC3=O
InChI InChI=1S/C15H10BrFN2O/c16-9-5-6-13-11(7-9)15(18-8-14(20)19-13)10-3-1-2-4-12(10)17/h1-7H,8H2,(H,19,20) Key:ZRKDDZBVSZLOFS-UHFFFAOYSA-N

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It is a structural analog of phenazepam in which the chlorine atom has been replaced by a fluorine atom.

An alternate isomer, 5-(2-bromophenyl)-7-fluoro-1,3-dihydro-2H-1,4-benzodiazepin-2-one or "iso-flubromazepam",^[9] may have been sold under the same name.^[2]