(3aS,3bR,5aS,8bS,10aS)-10a-Methyl-2,3,3a,3b,4,5,5a,6,8b,9,10,10a-dodecahydro-dicyclopenta[a,f]naphthalene-1,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72660-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,6 and 0 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 72660-28: (7*7)+(6*2)+(5*6)+(4*6)+(3*0)+(2*2)+(1*8)=127 127 % 10 = 7 So 72660-28-7 is a valid CAS Registry Number.