(5Z,9Z)-(1R,4aR,10aR)-1,2,3,4,4a,7,8,10a-Octahydro-benzocyclooctene-1-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 103131-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively. Calculate Digit Verification of CAS Registry Number 103131-16: (8*1)+(7*0)+(6*3)+(5*1)+(4*3)+(3*1)+(2*1)+(1*6)=54 54 % 10 = 4 So 103131-16-4 is a valid CAS Registry Number.