Lopirazepam

Lopirazepam
Clinical data
Pregnancy; category	D;
Routes of; administration	Oral
ATC code	none;
Legal status
Legal status	US: Schedule IV;
Identifiers
	IUPAC name (RS)-7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1,3-dihydro-2H-pyrido[3,2-e][1,4]diazepin-2-one;
CAS Number	42863-81-0;
PubChem CID	68672;
ChemSpider	61926;
UNII	8PDI6DY6GV;
CompTox Dashboard (EPA)	DTXSID20866105 ;
ECHA InfoCard	100.050.868
Chemical and physical data
Formula	C14H9Cl2N3O2
Molar mass	322.15 g·mol−1
3D model (JSmol)	Interactive image;
Chirality	Racemic mixture
	SMILES ClC1=CC=CC=C1C2=NC(C(NC3=C2N=C(Cl)C=C3)=O)O;

Lopirazepam (INN)^[1] is a short-acting benzodiazepine analog of the pyridodiazepine type (specifically, the pyridodiazepine analog of lorazepam) with anxiolytic and hypnotic properties.^[2]^[3] It has never been marketed.^[4]

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Clinical data

Pregnancy category	D
Routes of administration	Oral
ATC code	none
Legal status
Legal status	US: Schedule IV
Identifiers
IUPAC name (RS)-7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1,3-dihydro-2H-pyrido[3,2-e][1,4]diazepin-2-one
CAS Number	42863-81-0
PubChem CID	68672
ChemSpider	61926
UNII	8PDI6DY6GV
CompTox Dashboard (EPA)	DTXSID20866105
ECHA InfoCard	100.050.868
Chemical and physical data
Formula	C₁₄H₉Cl₂N₃O₂
Molar mass	322.15 g·mol⁻¹
3D model (JSmol)	Interactive image
Chirality	Racemic mixture
SMILES ClC1=CC=CC=C1C2=NC(C(NC3=C2N=C(Cl)C=C3)=O)O