Phenylbiguanide

Phenylbiguanide
Legal status
Legal status	UN: Unscheduled;
Identifiers
	IUPAC name 1-Phenylbiguanide;
CAS Number	102-02-3;
PubChem CID	4780;
ChemSpider	4616;
UNII	W8PKA3T2I3;
ChEBI	CHEBI:75377;
ChEMBL	ChEMBL13791;
CompTox Dashboard (EPA)	DTXSID90144508 ;
ECHA InfoCard	100.002.726
Chemical and physical data
Formula	C8H11N5
Molar mass	177.211 gÂ·molâ1
3D model (JSmol)	Interactive image;
Melting point	135â142 Â°C (275â288 Â°F)
	SMILES c1ccc(cc1)NC(=N)NC(=N)N;
	InChI InChI=1S/C8H11N5/c9-7(10)13-8(11)12-6-4-2-1-3-5-6/h1-5H,(H6,9,10,11,12,13); Key:CUQCMXFWIMOWRP-UHFFFAOYSA-N;

Phenylbiguanide (PBG) is a 5-HT3 agonist used to study the role of 5-HT3 receptors in the central nervous system.^[1] It has been found to trigger dopamine release in the nucleus accumbens of rats.^[2]