| Size | Price | Stock |
|---|---|---|
| 5mg | $49 | In-stock |
| 10mg | $77 | In-stock |
| 25mg | $148 | In-stock |
| 50mg | $230 | In-stock |
| 100mg | $350 | In-stock |
| 200 mg | Get quote | |
| 500 mg | Get quote | |
| We match the lowest price on market. | ||
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| Cat. No. : | HY-105542 |
| M.Wt: | 356.44 |
| Formula: | C20H25FN4O |
| Purity: | >98 % |
| Solubility: | DMSO : 100 mg/mL (ultrasonic) |
Niaprazine is a histamine H1-receptor antagonist. Niaprazine has antihistamine and antiserotonin activities and can be used for sleep disorder research[1][2]. In Vitro: Niaprazine exhibits a low affinity for the vesicular monoamine transporter and for D2, α2, β, H1 and mAch receptors. Niaprazine, particularly the (+)stereoisomer, has a higher affinity for α1 (Ki = 77 nM) and 5-HT2 (Ki = 25 nM) binding sites, but is poorly recognized by 5-HT1A and 5-HT1B binding sites[2]. In Vivo: Niaprazine (60 mg/kg; i.p.; once) treatment increases rat brain 5-hydroxyindole acetic acid (5-HIAA) concentrations 30 min after treatment, and reduced them at 3-8 hr after treatment. Niaprazine also produces a short-lasting depletion of rat brain noradrenaline (NA) and dopamine (DA)[3].
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