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1638365-27-1

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1638365-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638365-27-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,3,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1638365-27:
(9*1)+(8*6)+(7*3)+(6*8)+(5*3)+(4*6)+(3*5)+(2*2)+(1*7)=191
191 % 10 = 1
So 1638365-27-1 is a valid CAS Registry Number.

1638365-27-1Downstream Products

1638365-27-1Relevant articles and documents

Antibacterial activities of novel nicotinic acid hydrazides and their conversion into N-acetyl-1,3,4-oxadiazoles Dedicated to Professor Abdel-Rahman S. Ferwanah on the occasion of his retirement

Morjan, Rami Y.,Mkadmh, Ahmed M.,Beadham, Ian,Elmanama, Abdelrauof A.,Mattar, Mohammed R.,Raftery, James,Pritchard, Robin G.,Awadallah, Adel M.,Gardiner, John M.

, p. 5796 - 5800 (2014)

Synthesis of a series of novel N-acylhydrazones of nicotinic acid hydrazides 3a-j via condensation of nicotinic acid hydrazide 1 with the corresponding aldehydes and ketones is described. The series 3a-j was evaluated for in vitro antibacterial activity against two gram negative (Pseudomonas aeruginosa and Klebsiella pneumoniae) and two gram positive (Streptococcus pneumoniae and Staphylococcus aureus) bacteria. The zone of inhibition was measured using the disk diffusion method, and in vitro minimum inhibitory concentration indicating that compounds 3a and 3e were effective against P. aeruginosa with MICs of 0.220 and 0.195 μg respectively.

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