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 ring system consisting of a pyrimidine and a thiazine. The compound has a 4-bromo-phenyl group attached at the 6-position, which introduces a bromine atom that may influence its reactivity and physical properties. Additionally, a methoxy group is present at the 4-position, providing an oxygen atom connected to a methyl group, which can affect the compound's solubility and electronic properties. This chemical is likely to be used in the synthesis of pharmaceuticals or other organic compounds due to its unique structure and functional groups.
The CAS Registry Mumber 4309-33-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,0 and 9 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 4309-33: (6*4)+(5*3)+(4*0)+(3*9)+(2*3)+(1*3)=75 75 % 10 = 5 So 4309-33-5 is a valid CAS Registry Number.