(3aR,9aR,9bR)-9b-Hydroxymethyl-9,9-dimethoxy-3,3a,6,6a,8,9,9a,9b-octahydro-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 97654-88-1 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 8 respectively. Calculate Digit Verification of CAS Registry Number 97654-88: (7*9)+(6*7)+(5*6)+(4*5)+(3*4)+(2*8)+(1*8)=191 191 % 10 = 1 So 97654-88-1 is a valid CAS Registry Number.