(3aR*,5aS*,6S*,8aR*,8bS*)-6-Ethyl-3,3a,5a,6,7,8,8a,8b-octahydro-1H-indeno<4,5-c>furan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 76566-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,6 and 6 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 76566-89: (7*7)+(6*6)+(5*5)+(4*6)+(3*6)+(2*8)+(1*9)=177 177 % 10 = 7 So 76566-89-7 is a valid CAS Registry Number.