(3aR,5aS,8R,9aR)-3a-Hydroxy-8-(1-hydroxy-1-methyl-ethyl)-5a-methyl-3a,5a,6,7,8,9-hexahydro-3H-indeno[7a,1-b]furan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81680-27-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,8 and 0 respectively; the second part has 2 digits, 2 and 7 respectively. Calculate Digit Verification of CAS Registry Number 81680-27: (7*8)+(6*1)+(5*6)+(4*8)+(3*0)+(2*2)+(1*7)=135 135 % 10 = 5 So 81680-27-5 is a valid CAS Registry Number.