SB-203186 (hydrochloride)


CAS No. : 207572-69-8

207572-69-8
Price and Availability of CAS No. : 207572-69-8
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25mg $250 In-stock
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100mg $600 In-stock
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Cat. No. : HY-101222
M.Wt: 308.80
Formula: C16H21ClN2O2
Purity: >98 %
Solubility: DMSO : 100 mg/mL (ultrasonic)
Introduction of 207572-69-8 :

SB-203186 hydrochloride is a potent, selective and competitive 5-HT4 antagonist. SB-203186 hydrochloride antagonizes the 5-HT4 receptor-mediated relaxations of the carbachol-contracted rat isolated oesophagus against 5-HT with pKB values of 10.9 (rat oesophagus), 9.5 (guinea-pig ileum), and 9.0 (human colon) respectively[1][2][3]. IC50 & Target: pKB: 10.9 (5-HT4 in rat oesophagus), 9.5 (5-HT4 in guinea-pig ileum), and 9.0 (5-HT4 in human colon)[3]. In Vitro: Pretreatment with SB-203186 (10 μM) enhances the 5-HT-induced contractions of the antral strips[2].
In Vivo: Intraduodenally administered SB-203186 (0.3-3 mg/kg) to new-born Camborough piglets produced blockade of 5-HT-evoked tachycardia which was maximal after 20 min and lasted for more than 3 h with 0.3 mg/kg[1].
SB-203186 (0.1-3mg/kg, i.v.) surmountably antagonised 5-HT-evoked tachycardia in anaesthetized Yucatan minipigs or new-born Camborough piglets with similar potency[1].

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