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139541-59-6

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139541-59-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139541-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,4 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139541-59:
(8*1)+(7*3)+(6*9)+(5*5)+(4*4)+(3*1)+(2*5)+(1*9)=146
146 % 10 = 6
So 139541-59-6 is a valid CAS Registry Number.

139541-59-6Relevant articles and documents

Structure-Activity Relations. Part 12. Antibacterial Activity of a Series of 2,4-Diamino-6-substituted 5-(4-pyridylmethylamino)pyrimidines and 2,4-Diamino-5-(4-substituted benzylamino)pyrimidines.

Bowden, Keith,Bright, Andrew C.

, p. 514 - 539 (2007/10/02)

A series of 6-substituted 2,4-diamino-5-(4-pyridylamino)pyrimidines and of 2,4-diamino-5-(4-substituted benzylamino)pyrimidines has been prepared.Their antibacterial activity towards L. casei, S. aureus and E. coli has been investigated.These activities have been successfully correlated by Hansch-type relations.Dependence on both lipophilicity and electronic (polar) factors has been found.The results are related to the structure and interactions with the receptor.

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