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156335-46-5

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156335-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156335-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,3 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156335-46:
(8*1)+(7*5)+(6*6)+(5*3)+(4*3)+(3*5)+(2*4)+(1*6)=135
135 % 10 = 5
So 156335-46-5 is a valid CAS Registry Number.

156335-46-5Relevant academic research and scientific papers

Synthesis of 1,4-dihydro-4-oxopyrrolo[1,2-b]pyridazine-3-carboxylic acids and 1,4-dihydro-4-oxoimidazo[1,5-b]pyridazine-3-carboxylic acids as potential antibacterial agents

Ruxer,Lachoux,Ousset,Torregrosa,Mattioda

, p. 409 - 417 (1994)

To check the antibacterial potential of two families of aza analogues of the quinolones, 1,4-dihydro-4-oxopyrrolo[1,2-b]pyridazine-3-carboxylic acids and 1,4-dihydro-4-oxoimidazo[1,5-b]pyridazine-3-carboxylic acids, we have prepared a few derivatives in these families using N-aminopyrrole and N-aminoimidazole derivatives as starting building blocks and the classical pathways of the quinolone series. The compounds showed no interesting antibacterial activity.

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