The CAS Registry Mumber 19712-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,1 and 2 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 19712-33: (7*1)+(6*9)+(5*7)+(4*1)+(3*2)+(2*3)+(1*3)=115 115 % 10 = 5 So 19712-33-5 is a valid CAS Registry Number.
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Get Best Price for19712-33-5N,N-dimethyl-3-(2-methyl-1,2,3,7,8,12b-hexahydrobenzo[6,7]cyclohepta[1,2,3-de]isoquinolin-3-yl)propan-1-amine dihydrochloride