Desvenlafaxine S-Isomer with CAS No: 142761-12-4 is an impurity standard of Desvenlafaxine. Desvenlafaxine is an antidepressant medication used in the treatment of major depressive disorder. Structurally, it is the major active metabolite of venlafaxine. Desvenlafaxine belongs to the serotonin-norepinephrine reuptake inhibitor (SNRI) class of antidepressants. It works by inhibiting the reuptake of both serotonin and norepinephrine in the brain, thereby increasing the levels of these neurotransmitters in the synaptic cleft. Administered orally, desvenlafaxine is appreciated for its efficacy in managing depressive symptoms and providing a therapeutic option for individuals experiencing major depressive disorder. Its role in affecting multiple neurotransmitters distinguishes it within the antidepressant class. Buy high quality Desvenlafaxine S-Isomer from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Desvenlafaxine S-Isomer