Synonyms: Alfuzosin Impurity 1;6,7-Dimethoxy-N2,N2-dimethylquinazoline-2,4-diamine Hydrochloride;f .?6,7-d i me th oxy-N2,N2-d i me th ylqui na zoli ne -2,4-d i a mi ne ,
The CAS Registry Mumber 19216-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,1 and 6 respectively; the second part has 2 digits, 6 and 8 respectively. Calculate Digit Verification of CAS Registry Number 19216-68: (7*1)+(6*9)+(5*2)+(4*1)+(3*6)+(2*6)+(1*8)=113 113 % 10 = 3 So 19216-68-3 is a valid CAS Registry Number.
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