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Naftopidil

Cat. No. M3457
Naftopidil Structure
Synonym:

KT-611; BM-15275

Size Price Availability Quantity
50mg USD 120 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

Naftopidil (Flivas) is a selective α1-adrenergic receptor antagonist or alpha blocker with a Ki of 58.3 nM. Naftopidil (Flivas) is an antihypertensive agent. Naftopidil (Flivas) binds specifically to alpha 1-adrenoceptors. The Ki values are 58.3 nM for naftopidil, 0.43 nM for prazosin, and 197 nM for urapidil. The affinities of naftopidil to alpha 2- and beta-adrenoceptor sites are very low (> 6,000 and > 2,500 nM). Naftopidil relaxes aortic strips precontracted with norepinephrine concentration-dependently, and naftopidil (Flivas) shifts the concentration-response curve of norepinephrine in a parallel manner to the right. The pA2 values are 7.10 for naftopidil, 8.85 for prazosin, and 6.25 for urapidil.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 392.49
Formula C24H28N2O3
CAS Number 57149-07-2
Purity >98%
Solubility DMSO 70 mg/mL
Storage at -20°C
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  Catalog
Abmole Inhibitor Catalog 2017




Keywords: Naftopidil, KT-611; BM-15275 supplier, Adrenergic Receptor, inhibitors

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