ent-12cα-ethyl-1,2,3aα,4,6,7,12,12bβ-decahydrocyclopent<1,2>indolizino<8,7-b>indole-3,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 113973-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,9,7 and 3 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 113973-73: (8*1)+(7*1)+(6*3)+(5*9)+(4*7)+(3*3)+(2*7)+(1*3)=132 132 % 10 = 2 So 113973-73-2 is a valid CAS Registry Number.