Phenazolam

Phenazolam, (Clobromazolam, DM-II-90, BRN 4550445) is a benzodiazepine derivative which acts as a potent sedative and hypnotic drug. It was first invented in the early 1980s,^[1] but was never developed for medical use. It has been sold over the internet as a designer drug, first being identified in seized samples by a laboratory in Sweden in March 2016.^[2][3]

Phenazolam

Clinical data
Trade names	(none, designer drug)
Legal status
Legal status	CA: Schedule IV DE: NpSG (Industrial and scientific use only) UK: Under Psychoactive Substances Act Illegal in Serbia and Italy
Identifiers
IUPAC name 8-bromo-6-(2-chlorophenyl)-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine
CAS Number	87213-50-1 Y
PubChem CID	1032830
ChemSpider	887985
UNII	2AVB9ZZ4ZS
ChEMBL	ChEMBL1451229
CompTox Dashboard (EPA)	DTXSID10236191
Chemical and physical data
Formula	C17H12BrClN4
Molar mass	387.67 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC1=NN=C2N1C3=C(C=C(C=C3)Br)C(=NC2)C4=CC=CC=C4Cl
InChI InChI=1S/C17H12BrClN4/c1-10-21-22-16-9-20-17(12-4-2-3-5-14(12)19)13-8-11(18)6-7-15(13)23(10)16/h2-8H,9H2,1H3 Key:BUTCFAZTKZDYCN-UHFFFAOYSA-N

Legality

Clobromazolam was made illegal in Serbia in May 2019,^[4] and in Italy in March 2020.^[5]

See also

• Bromazolam
• Clonazolam
• Flubromazolam
• Phenazepam
• SH-I-048A
• Triazolam