Desmethylflunitrazepam

Desmethylflunitrazepam
Legal status
Legal status	CA: Schedule IV; DE: NpSG (Industrial and scientific use only); UK: Under Psychoactive Substances Act;
Identifiers
	IUPAC name 5-(2-Fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one;
CAS Number	2558-30-7;
PubChem CID	520217;
ChemSpider	453770;
UNII	055XLQ0YQ6;
ChEMBL	ChEMBL87369;
CompTox Dashboard (EPA)	DTXSID30180268 ;
ECHA InfoCard	100.018.072
Chemical and physical data
Formula	C15H10FN3O3
Molar mass	299.261 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES FC1=C(C=CC=C1)C2=NCC(NC3=C2C=C(C=C3)[N+](=O)[O-])=O;
	InChI InChI=1S/C15H10FN3O3/c16-12-4-2-1-3-10(12)15-11-7-9(19(21)22)5-6-13(11)18-14(20)8-17-15/h1-7H,8H2,(H,18,20); Key:KNGIGRDYBQPXKQ-UHFFFAOYSA-N;

Desmethylflunitrazepam (also known as norflunitrazepam, Ro05-4435 and fonazepam) is a benzodiazepine that is a metabolite of flunitrazepam and has been sold online as a designer drug. It has an IC₅₀ value of 1.499 nM for the GABA_A receptor.

Legal status

Legal status	CA: Schedule IV DE: NpSG (Industrial and scientific use only) UK: Under Psychoactive Substances Act
Identifiers
IUPAC name 5-(2-Fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one
CAS Number	2558-30-7
PubChem CID	520217
ChemSpider	453770
UNII	055XLQ0YQ6
ChEMBL	ChEMBL87369
CompTox Dashboard (EPA)	DTXSID30180268
ECHA InfoCard	100.018.072
Chemical and physical data
Formula	C₁₅H₁₀FN₃O₃
Molar mass	299.261 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES FC1=C(C=CC=C1)C2=NCC(NC3=C2C=C(C=C3)[N+](=O)[O-])=O
InChI InChI=1S/C15H10FN3O3/c16-12-4-2-1-3-10(12)15-11-7-9(19(21)22)5-6-13(11)18-14(20)8-17-15/h1-7H,8H2,(H,18,20) Key:KNGIGRDYBQPXKQ-UHFFFAOYSA-N