s-Triazolo[3,4-a]phthalazine

S-Triazolo[3,4-a]phthalazine is a heterocyclic compound that is used in a variety of chemical applications. It is a fused-ring system that contains both a triazole and a phthalazine ring, which makes it a unique and versatile molecule. S-Triazolo[3,4-a]phthalazine has a molecular formula of C9H6N4 and a molecular weight of 170.17 g/mol. One of the primary uses of s-Triazolo[3,4-a]phthalazine is as a starting material for the synthesis of various pharmaceutical compounds. It is a key intermediate in the synthesis of antihypertensive drugs, such as losartan and valsartan, which are used to treat high blood pressure. It is also used in the synthesis of anti-inflammatory agents, such as etoricoxib and lumiracoxib, which are used to treat pain and inflammation. Chemically, s-Triazolo[3,4-a]phthalazine is a nitrogen-containing compound that contains two aromatic rings. The triazole ring contains two nitrogen atoms and one carbon atom, while the phthalazine ring contains two nitrogen atoms and four carbon atoms. The compound is relatively stable and has a melting point of around 237-239°C. In summary, s-Triazolo[3,4-a]phthalazine is a versatile and important compound that has a variety of chemical applications. It is used as a starting material for the synthesis of various pharmaceutical compounds and contains a unique fused-ring system that makes it an important building block in organic chemistry.