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5620-22-4

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5620-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5620-22-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5620-22:
(6*5)+(5*6)+(4*2)+(3*0)+(2*2)+(1*2)=74
74 % 10 = 4
So 5620-22-4 is a valid CAS Registry Number.

5620-22-4Downstream Products

5620-22-4Relevant articles and documents

A new group of potential antituberculotics: N-(2-pyridylmethyl) salicylamides and N-(3-pyridylmethyl)salicylamides

Petrlikova, Eva,Waisser, Karel,Palat Jr., Karel,Kunes, Jiri,Kaustova, Jarmila

, p. 52 - 59 (2012/01/14)

As a part of our systematic study of antimycobacterially active derivatives of salicylamides, a series of nineteen derivatives of N-(2-pyridylmethyl) salicylamides and N-(3-pyridylmethyl)salicylamides was synthesised. The compounds exhibited in vitro activity against Mycobacterium tuberculosis and M. avium. Their lipophilicity, RM, was measured by thin layer chromatography on silica gel impregnated with trioctadecylsilane and the logarithm of the partition coefficient (octanol-water), logP, was calculated. Both the parameters of lipophilicity correlated. The quantitative relationship between the structure and antimycobacterial activity was calculated. Antimycobacterial activity increased with an increase in lipophilicity. The N-(2-pyridylmethyl)salicylamide derivatives were more active than the derivatives of isomeric N-(3-pyridylmethyl)salicylamides. The geometry of compounds was calculated and the calculation was verified by measuring the length of the hydrogen bond between hydroxyl and carbonyl groups on the salicylic moiety.

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