87051-43-2

87051-43-2 structure

Name: Ritanserin
Chemical Name: ritanserin
CAS Number: 87051-43-2
Molecular Formula: C₂₇H₂₅F₂N₃OS
Molecular Weight: 477.56900
Catalog: Signaling Pathways GPCR/G Protein 5-HT Receptor
Create Date: 2018-05-15 08:00:00
Modify Date: 2026-07-01 18:34:39
Ritanserin (R 55667) is a highly potent, relatively selective, orally active, long acting antagonist of 5-HT2 receptor, with an IC50 of 0.9 nM, less active on Histamine H1, Dopamine D2, Adrenergic α1, Adrenergic α2 receptors[1].

Name	ritanserin
Synonyms	Ritanserin（R 55667） 6-(2-(4-(Bis(4-fluorophenyl)methylene)piperidin-1-yl)-ethyl)-7-methyl-5H-thiazolo[3,2-a]pyrimidin 6-[2-[4-[bis(4-fluorophenyl)methylidene]piperidin-1-yl]ethyl]-7-methyl-[1,3]thiazolo[3,2-a]pyrimidin-5-one Ritanserina 6-[2-[4-[Bis(4-fluorophenyl)Methylidene]piperidin-1-yl]ethyl]-7-Methyl-[1,3]thiazolo[2,3-b]pyriMidin-5-one HCl Inhibitor,Histamine Rector,5-hydroxytryptamine Rector,inhibit,Serotonin Rector,Ritanserin,R-55667,5-HT Rector,R55667,Beta Rector,Adrenergic Rector,Dopamine Rector 6-[2-[4-(bis(4-fluorophenyl)methylene]-1-piperidinyl]ethyl]-7-methyl-5h-thiazolo[3,2-a]pyrimidin-5-one 6-[2-[4-[Bis(4-fluorophenyl)methylene]piperidin-1-yl]ethyl]-7-methyl-5H-thiazolo[3,2-a]pyrimidin-5-one 6-(2-(4-(Bis(4-fluorophenyl)methylene)piperidin-1-yl)-ethyl)-7-methyl-5H-thiazolo[3,2-a]pyrimi 6-(2-[4-(BIS[4-FLUOROPHENYL]METHYLENE)-1-PIPERIDINYL]ETHYL)-7-METHYL-5H-THIAZOLO(3,2-A)PYRIMIDIN-5-ONE risperidone 6-[2-[4-[Bis(4-fluorophenyl)methylene]-piperidino]ethyl]-7-methyl-5H-thiazolo-[3,2-a]pyrimidin-5-one 6-[2-[4-[BIS(4-FLUOROPHENYL)-METHYLENE]-1-PIPERIDINYL]-ETHYL]-5H-THIAZOLO[3,2-A]PYRIMIDIN-5-ONE Ritanserine RITANSERIN SEROTONIN ANTAGONIST 6-[2-[4-[Bis(4-fluorophenyl)Methylidene]piperidin-1-yl]ethyl]-7-Methyl-[1,3]thia Ritanserin, 10 mM in DMSO RITANSERIN 6-(2-{4-[bis(4-fluorophenyl)methylidene]piperidin-1-yl}ethyl)-7-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one Ritanserinum Tiserton 5H-Thiazolo[3,2-a]pyrimidin-5-one, 6-[2-[4-[bis(4-fluorophenyl)methylene]-1-piperidinyl]ethyl]-7-methyl

Description	Ritanserin (R 55667) is a highly potent, relatively selective, orally active, long acting antagonist of 5-HT2 receptor, with an IC50 of 0.9 nM, less active on Histamine H1, Dopamine D2, Adrenergic α1, Adrenergic α2 receptors[1].
Related Catalog	Research Areas >> Neurological Disease Signaling Pathways >> GPCR/G Protein >> 5-HT Receptor Signaling Pathways >> Neuronal Signaling >> 5-HT Receptor
Target	IC50: 0.9 nM (5-HT2 receptor), 35 nM (H1 receptor), 70 nM (D2 receptor), 97 nM (α1 receptor), 150 nM (α2 receptor)[1]
In Vitro	Ritanserin (R 55667) is a highly potent, relatively selective, long acting antagonist of 5-HT2 receptor, with an IC50 of 0.9 nM, less active on Histamine-H1 (IC50, 35 nM), Dopamine-D2 (IC50, 70 nM), Adrenergic-α1 (IC50, 97 nM), Adrenergic-α2 receptor (IC50, 150 nM)[1].
References	[1]. Leysen JE, et al. Receptor-binding properties in vitro and in vivo of ritanserin: A very potent and long acting serotonin-S2 antagonist. Mol Pharmacol. 1985 Jun;27(6):600-11.

Density	1.3g/cm3
Boiling Point	618.7ºC at 760 mmHg
Molecular Formula	C₂₇H₂₅F₂N₃OS
Molecular Weight	477.56900
Flash Point	328ºC
Exact Mass	477.16900
PSA	65.85000
LogP	5.42090
Index of Refraction	1.646

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
RIDADR	NONH for all modes of transport

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