CAS No. 252742-72-6, 3-(chloromethyl)-1,4-dihydro-1,2,4-triazol-5-one

At Unibest, we offer the key intermediate, 3-(chloromethyl)-1,4-dihydro-1,2,4-triazol-5-one, under the CAS RN 252742-72-6. This compound plays a crucial role in the synthesis of the valuable antiretroviral medication, Doravirine, designed to combat HIV-1 infection, and two potent antiemetics - Aprepitant and Fosaprepitant, widely used in the management of nausea and vomiting induced by chemotherapy. It's noteworthy to mention that Fosaprepitant is a prodrug of Aprepitant.

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