(6E,10E)-(2S,4S,5S,8S,9R)-5,9-Bis-(tert-butyl-dimethyl-silanyloxy)-4,6,8,10-tetramethyl-dodeca-6,10-diene-2,3-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 442159-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,1,5 and 9 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 442159-45: (8*4)+(7*4)+(6*2)+(5*1)+(4*5)+(3*9)+(2*4)+(1*5)=137 137 % 10 = 7 So 442159-45-7 is a valid CAS Registry Number.