(4S,4aR,7aS)-6,6,8-trimethyl-1-oxo-1,3,4,4a,5,6,7,7a-octahydroazuleno[5,6-c]furan-4-yl acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 62820-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,2 and 0 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 62820-42: (7*6)+(6*2)+(5*8)+(4*2)+(3*0)+(2*4)+(1*2)=112 112 % 10 = 2 So 62820-42-2 is a valid CAS Registry Number.