ethyl (2E,4E,6Z,8E)-9-(4-methyoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 69427-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,2 and 7 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 69427-40: (7*6)+(6*9)+(5*4)+(4*2)+(3*7)+(2*4)+(1*0)=153 153 % 10 = 3 So 69427-40-3 is a valid CAS Registry Number.