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220965-59-3

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220965-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220965-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,6 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 220965-59:
(8*2)+(7*2)+(6*0)+(5*9)+(4*6)+(3*5)+(2*5)+(1*9)=133
133 % 10 = 3
So 220965-59-3 is a valid CAS Registry Number.

220965-59-3Relevant articles and documents

Studies on the chemistry of thienoannelated O,N- and S,N- containing heterocycles. 16. Synthesis of some thieno[1,4]thiazine derivatives with potential calcium antagonistic activity

Erker, Thomas

, p. 1521 - 1526 (1998)

Substituted thieno[1,4]thiazine derivatives have been synthesized. They are thienoanalogues of compound 3 [2], a potent cerebral protectant and calcium antagonist. Research activities concentrate on the preparation of structurally modified compounds of 3

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