(5aS,9aS)-1,3-Dimethoxy-6,6,9a-trimethyl-1,3,4,5,5a,6,7,8,9,9a-decahydro-naphtho[1,2-c]furan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81306-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,0 and 6 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 81306-20: (7*8)+(6*1)+(5*3)+(4*0)+(3*6)+(2*2)+(1*0)=99 99 % 10 = 9 So 81306-20-9 is a valid CAS Registry Number.