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138485-44-6

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138485-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138485-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,8 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138485-44:
(8*1)+(7*3)+(6*8)+(5*4)+(4*8)+(3*5)+(2*4)+(1*4)=156
156 % 10 = 6
So 138485-44-6 is a valid CAS Registry Number.

138485-44-6Relevant articles and documents

Anti-mycobacterial 4-hydroxy-3-phenylpyridin-2(1H)-ones

Dannhardt, G,Meindl, W,Schober, B D,Kappe, T

, p. 599 - 604 (2007/10/02)

4-Hydroxy-3-phenylpyridin-2 (1H)-ones with different substituents either at N-1 or in the phenyl group were synthesized by reaction of ethyl β-aminocrotonates with dialkyl malonates or 'magic malonates' (2,4,6-trichlorophenyl malonates).The evaluation of these compounds on Mycobacterium tuberculosis H37Ra, Escherichia coli B and Staphylococcus aureus ATCC 25923 showed significant inhibitory effects on M tuberculosis (5g and 5s, MIC=8μg/ml).A structure-activity relationship is discussed.

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