2,3,4,5-Tetramethyl-7,8-bis-(2,4,6-trimethyl-phenyl)-bicyclo[4.2.0]octa-1(6),2,4,7-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 68980-87-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,8 and 0 respectively; the second part has 2 digits, 8 and 7 respectively. Calculate Digit Verification of CAS Registry Number 68980-87: (7*6)+(6*8)+(5*9)+(4*8)+(3*0)+(2*8)+(1*7)=190 190 % 10 = 0 So 68980-87-0 is a valid CAS Registry Number.