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| Cat. No. : | HY-15008 |
| M.Wt: | 554.77 |
| Formula: | C26H42N4O5S2 |
| Purity: | >98 % |
| Solubility: | 10 mM in DMSO |
L-368,899 is an orally active and selective OT (oxytocin ) receptor antagonist, with IC50s of 8.9 and 26 nM for uterus of rat and human, respectively. L-368,899 can cross the blood-brain barrier (BBB). L-368,899 inhibits oxytocin-stimulated uterine contractions in rats and can be used in study of preterm labor[1][2][3].
IC50 & Target: IC50: 8.9 nM (rat uterus), 26 nM (human uterus)[3].
In Vivo: L-368,899 (0.1, 0.3, 1 mg/kg; infused i.v.; single) shows a dose-related antagonism of OT-stimulated uterine contractions with an AD50 value of 0.35 mg/kg in vivo[1].
L-368,899 (3, 10, 30 mg/kg; i.d.; single) inhibits the contractile effects of OT (AD50= 7 mg/kg) with a long (>4 h) duration of action in vivo (AD50: the dose of L-368,899 required to reduce the response to OT by 50%)[1].
L-368,899 (10 mg/kg, p.o.; single) shows bioavailability (AUC 0-6 h) of 35%[1].
L-368,899 (0.54, 1.8, 5.4 mg/kg; i.v.; single) reduces both oxytocin-induced and endogenous increases in plasma PGFM concentration[2].
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