(2E,4E,6E,8E,10E,12E)-7,11-Dimethyl-13-(2,6,6-trimethyl-cyclohex-1-enyl)-trideca-2,4,6,8,10,12-hexaenoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 42307-09-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,0 and 7 respectively; the second part has 2 digits, 0 and 9 respectively. Calculate Digit Verification of CAS Registry Number 42307-09: (7*4)+(6*2)+(5*3)+(4*0)+(3*7)+(2*0)+(1*9)=85 85 % 10 = 5 So 42307-09-5 is a valid CAS Registry Number.