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720669-61-4

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720669-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 720669-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,6 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 720669-61:
(8*7)+(7*2)+(6*0)+(5*6)+(4*6)+(3*9)+(2*6)+(1*1)=164
164 % 10 = 4
So 720669-61-4 is a valid CAS Registry Number.

720669-61-4Downstream Products

720669-61-4Relevant articles and documents

Methylation of acridin-9-ylthioureas. Structure, fluorescence and biological properties of products

Bernat, Juraj,Balentova, Eva,Kristian, Pavol,Imrich, Jan,Sedlak, Erik,Danihel, Ivan,Boehm, Stanislav,Pronayova, Nad'a,Pihlaja, Kalevi,Klika, Karel D.

, p. 833 - 849 (2007/10/03)

The structure, fluorescence, biological properties and S(N)-methylation reactions of ten 1,1-alkyl/aryl-disubstituted 3-(acridin-9-yl)thioureas 4 have been studied. Various reaction conditions allowed to obtain corresponding S-methyl 5 and S,N-dimethyl de

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