4,4-Diphenyl-1-brom-1,1-diduterio-buten-3 is a complex organic chemical compound with the molecular formula C18H18BrD2. It is a derivative of 1,1-diphenyl-1,1-dideuterio-buten-3, featuring a bromine atom at the 1-position and two deuterium atoms at the 1,1-position. 4,4-Diphenyl-1-brom-1,1-diduterio-buten-3 is characterized by its unique structure, which consists of a conjugated diene system with two phenyl rings attached to the 4,4-positions. It is primarily used in organic synthesis and as a precursor in the preparation of various pharmaceuticals and other chemical compounds. Due to its specific isotope labeling, it can also be employed in studies involving isotope tracing and kinetic isotope effects.
The CAS Registry Mumber 5761-81-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,6 and 1 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5761-81: (6*5)+(5*7)+(4*6)+(3*1)+(2*8)+(1*1)=109 109 % 10 = 9 So 5761-81-9 is a valid CAS Registry Number.