(2E,4E,6E,8E,10E,14E)-2,7,11,15,19-Pentamethyl-icosa-2,4,6,8,10,14,18-heptaenenitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 136003-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,0,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 136003-72: (8*1)+(7*3)+(6*6)+(5*0)+(4*0)+(3*3)+(2*7)+(1*2)=90 90 % 10 = 0 So 136003-72-0 is a valid CAS Registry Number.