(1R,8S)-4,5,11,11-Tetramethyl-1,8,9,10-tetraphenyl-11-germa-tricyclo[6.2.1.02,7]undeca-2(7),3,5,9-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 76054-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,0,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 76054-66: (7*7)+(6*6)+(5*0)+(4*5)+(3*4)+(2*6)+(1*6)=135 135 % 10 = 5 So 76054-66-5 is a valid CAS Registry Number.