(6aRS,9aSR,9SR)-ethyl 6,6a,7,8,9,9a-hexahydro-7,7-dimethylisoindolo[4,5,6-cd]indole-9-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 98664-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,6 and 4 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 98664-89: (7*9)+(6*8)+(5*6)+(4*6)+(3*4)+(2*8)+(1*9)=202 202 % 10 = 2 So 98664-89-2 is a valid CAS Registry Number.