Naftopidil-d<sub>5</sub>

Naftopidil-d5

CAT N°: 33811
Price:

From 313.00 266.05

Naftopidil-d5 is intended for use as an internal standard for the quantification of naftopidil (Item No. 21122) by GC- or LC-MS. Naftopidil is an antagonist of ?1-adrenergic receptors (?1-ARs; Kis = 3.7, 20, and 1.2 nM for ?1A-, ?1B-, and ?1D-ARs, respectively).{33264} It is selective for ?1-ARs over ?2-ARs (Ki = 1,793 nM).{33266} Naftopidil inhibits norepinephrine-induced contractions in various blood vessels isolated from dog, rabbit, guinea pig, or rat with pA2 values ranging from 6.73 to 8.15.{33266} It reduces prostatic pressure and mean blood pressure in anesthetized dogs when administered at doses of 100 or 1,000 µg/kg.{59904} Naftopidil also inhibits the growth of androgen-sensitive LNCaP cells and androgen-insensitive PC3 cancer cells with IC50 values of 22.2 and 33.2 µM, respectively.{33265} Formulations containing naftopidil have been used in the treatment of benign prostatic hyperplasia.

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