[(2S,12bS)-3-Eth-(E)-ylidene-4-oxo-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-2-yl]-acetonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67045-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,4 and 5 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 67045-81: (7*6)+(6*7)+(5*0)+(4*4)+(3*5)+(2*8)+(1*1)=132 132 % 10 = 2 So 67045-81-2 is a valid CAS Registry Number.