(5E,9E,13E)-14-Ethynyl-2-methyl-5,6,9,10,13-pentapropyl-heptadeca-5,9,13-triene-3,7,11-triyn-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 709043-08-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,0,4 and 3 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 709043-08: (8*7)+(7*0)+(6*9)+(5*0)+(4*4)+(3*3)+(2*0)+(1*8)=143 143 % 10 = 3 So 709043-08-3 is a valid CAS Registry Number.