(1S*,2R*,4R*,5R*,7R*,8R*,10S*)-8-tert-Butyldimethylsilyloxy-4,5-dibromo-10-isopropyl-11-oxatricyclo<5,3,2,02,7>-dodecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 127940-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,4 and 0 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 127940-53: (8*1)+(7*2)+(6*7)+(5*9)+(4*4)+(3*0)+(2*5)+(1*3)=138 138 % 10 = 8 So 127940-53-8 is a valid CAS Registry Number.