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953726-31-3

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953726-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 953726-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,3,7,2 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 953726-31:
(8*9)+(7*5)+(6*3)+(5*7)+(4*2)+(3*6)+(2*3)+(1*1)=193
193 % 10 = 3
So 953726-31-3 is a valid CAS Registry Number.

953726-31-3Relevant articles and documents

Novel method of synthesizing various five membered heterocycles from an aryl tribromomethyl group

Tynebor, Robert,Millings, Elizabeth

, p. 1902 - 1908 (2013/05/21)

Synthesis of five membered heterocycles from an aryl tribromomethyl functional group is discussed. Exposing a tribromomethyl group to subsequent nucleophilic attacks by a 1,2-di-nucleophilic species promotes the cyclization of five membered heterocycles. Such heterocycles as oxadiazoles, thiadiazole, benzimidazole, benzothioazole, and benzoxazole were synthesized in moderate to good yields. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications to view the free supplemental file.

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