2,3,4,5,7,8,9,10-Octamethyl-syn-tricyclo<4.4.0.02,5>deca-3,7,9-trien-1,6-dicarbonsaeure-dimethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 118920-75-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 118920-75: (8*1)+(7*1)+(6*8)+(5*9)+(4*2)+(3*0)+(2*7)+(1*5)=135 135 % 10 = 5 So 118920-75-5 is a valid CAS Registry Number.