(3aR,3bR,4aS,7aS,7bR,8aR)-7-Benzyl-3b-benzyloxy-2,2-dimethyl-octahydro-1,3,6,8-tetraoxa-7-aza-dicyclopenta[a,e]pentalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 197702-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,0 and 2 respectively; the second part has 2 digits, 0 and 0 respectively. Calculate Digit Verification of CAS Registry Number 197702-00: (8*1)+(7*9)+(6*7)+(5*7)+(4*0)+(3*2)+(2*0)+(1*0)=154 154 % 10 = 4 So 197702-00-4 is a valid CAS Registry Number.