2,4,6,10-Dodecatetraenoic acid, 3,7,11-trimethyl-, methyl ester,
(E,E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19945-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,4 and 5 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 19945-65: (7*1)+(6*9)+(5*9)+(4*4)+(3*5)+(2*6)+(1*5)=154 154 % 10 = 4 So 19945-65-4 is a valid CAS Registry Number.