(3aR,6aS,9aR,9bR)-9b-Hydroxymethyl-9-methoxy-3,3a,6,6a,9a,9b-hexahydro-benzo[de]chromene-2,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 97654-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,5 and 4 respectively; the second part has 2 digits, 8 and 6 respectively. Calculate Digit Verification of CAS Registry Number 97654-86: (7*9)+(6*7)+(5*6)+(4*5)+(3*4)+(2*8)+(1*6)=189 189 % 10 = 9 So 97654-86-9 is a valid CAS Registry Number.