Pyrimido[5,4-e]-1,2,4-triazine, also known as 1,2,4-triazine-3,5-diamine, is a heterocyclic compound with the molecular formula C4H4N4. It is a white crystalline solid that is soluble in water and has a melting point of 220-222°C. Pyrimido[5,4-e]-1,2,4-triazine (9CI) is a member of the 1,2,4-triazine family, which consists of six-membered rings containing three nitrogen atoms and three carbon atoms. Pyrimido[5,4-e]-1,2,4-triazine is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other chemical compounds due to its unique structure and reactivity. It can undergo a variety of chemical reactions, such as substitution, addition, and condensation, making it a versatile building block in organic synthesis.
The CAS Registry Mumber 254-99-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 4 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 254-99: (5*2)+(4*5)+(3*4)+(2*9)+(1*9)=69 69 % 10 = 9 So 254-99-9 is a valid CAS Registry Number.