(3R,4R,5S,6S,7R,8S,9S)-6-(tert-Butyl-dimethyl-silanyloxy)-3,5,7,9-tetramethyl-undeca-1,10-diene-4,8-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 139016-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,1 and 6 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 139016-67: (8*1)+(7*3)+(6*9)+(5*0)+(4*1)+(3*6)+(2*6)+(1*7)=124 124 % 10 = 4 So 139016-67-4 is a valid CAS Registry Number.