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94639-72-2

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94639-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94639-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,6,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94639-72:
(7*9)+(6*4)+(5*6)+(4*3)+(3*9)+(2*7)+(1*2)=172
172 % 10 = 2
So 94639-72-2 is a valid CAS Registry Number.

94639-72-2Relevant articles and documents

Synthesis and antimicrobial evaluation of several new pyridine, thienopyridine and pyridothienopyrazole derivatives

Attaby, Fawzy A.,Elneairy,Elsayed

, p. 49 - 64 (2007/10/03)

The reaction of thiocyanoacetamide (1) with α,β-unsaturated ketones 2a,b resulted in the formation of the corresponding newly synthesized 1 (H)pyridinethione derivatives 3a,b. Compounds 3a,b were used as synthons for the preparation of 2-S-alkyl-, 2-S-aryl-, 2-S-acetamidopyridine, thieno[2,3-b]pyridine and pyrazolo[3,4-b]pyridine derivatives via a wide range of reactions with different reagents. The antimicrobial activity of some of the newly synthesized compounds was tested. Compounds 3a, 11a, 15a, and 19a,b were found to be the most active ones.

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