(6aR,9aS,9bS)-6a-Ethyl-5,6,6a,7,9a,9b-hexahydro-1H,4H-pyrrolo[3,2,1-ij]quinolin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 74209-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,0 and 9 respectively; the second part has 2 digits, 5 and 8 respectively. Calculate Digit Verification of CAS Registry Number 74209-58: (7*7)+(6*4)+(5*2)+(4*0)+(3*9)+(2*5)+(1*8)=128 128 % 10 = 8 So 74209-58-8 is a valid CAS Registry Number.