4-bromo-1,1-diphenyl-1,2,3,4-tetrahydro-benzo[b]siline is a complex organic compound with the molecular formula C20H19BrSi. It is a derivative of benzosilene, featuring a benzene ring fused to a silicon-containing ring structure. The presence of a bromine atom at the 4-position and two phenyl groups attached to the silicon atom contribute to its unique chemical properties. 4-bromo-1,1-diphenyl-1,2,3,4-tetrahydro-benzo[b]siline is of interest in the field of organosilicon chemistry, potentially for its electronic and steric effects in various chemical reactions and applications. It is important to note that handling and disposal of such compounds should be done with care, adhering to safety protocols due to their potential reactivity and toxicity.
The CAS Registry Mumber 1235-19-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 5 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 1235-19: (6*1)+(5*2)+(4*3)+(3*5)+(2*1)+(1*9)=54 54 % 10 = 4 So 1235-19-4 is a valid CAS Registry Number.