tert-butyl (4R,4aS,7aR,12bS)-4a-hydroxy-9-methoxy-7-oxo-1,2,4,4a,5,6,7,7a-octahydro-3H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 742075-03-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,7 and 5 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 742075-03: (8*7)+(7*4)+(6*2)+(5*0)+(4*7)+(3*5)+(2*0)+(1*3)=142 142 % 10 = 2 So 742075-03-2 is a valid CAS Registry Number.
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