(E)-(3R,4S,5S,7R,11S,12R)-4-(tert-butyldimethylsilanyloxy)-12-ethyl-3,5,7,11-tetramethyloxacyclododec-9-ene-2,8-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 56709-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,0 and 9 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 56709-69: (7*5)+(6*6)+(5*7)+(4*0)+(3*9)+(2*6)+(1*9)=154 154 % 10 = 4 So 56709-69-4 is a valid CAS Registry Number.