6-(4-bromo-phenyl)-4-methoxy-7H-pyrimido[4,5-b][1,4]thiazine is a complex organic chemical compound with the molecular formula C11H8BrN3OS. It features a pyrimido[4,5-b][1,4]thiazine core structure, which is a fused heterocyclic system consisting of a pyrimidine ring and a thiazine ring. The compound has a 4-bromo-phenyl group attached at the 6-position, which introduces a bromine atom that may participate in various chemical reactions, such as halogen dance or nucleophilic substitution. Additionally, a methoxy group is present at the 4-position, providing an electron-donating effect and potentially influencing the compound's reactivity and physical properties. This molecule could be of interest in medicinal chemistry, as its structure suggests potential for interaction with biological targets due to its heterocyclic nature and functional groups.
The CAS Registry Mumber 1981-07-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,8 and 1 respectively; the second part has 2 digits, 0 and 7 respectively. Calculate Digit Verification of CAS Registry Number 1981-07: (6*1)+(5*9)+(4*8)+(3*1)+(2*0)+(1*7)=93 93 % 10 = 3 So 1981-07-3 is a valid CAS Registry Number.