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207804-90-8

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207804-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207804-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,8,0 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 207804-90:
(8*2)+(7*0)+(6*7)+(5*8)+(4*0)+(3*4)+(2*9)+(1*0)=128
128 % 10 = 8
So 207804-90-8 is a valid CAS Registry Number.

207804-90-8Relevant articles and documents

Investigation of a novel series of 2-hydroxyisoquinoline-1,3(2 H,4 H)-diones as human immunodeficiency virus type 1 integrase inhibitors

Suchaud, Virginie,Bailly, Fabrice,Lion, Cedric,Calmels, Christina,Andreola, Marie-Line,Christ, Frauke,Debyser, Zeger,Cotelle, Philippe

, p. 4640 - 4660 (2014/07/07)

We report herein further insight into the biological activities displayed by a series of 2-hydroxyisoquinoline-1,3(2H,4H)-diones (HIDs). Substitution of the N-hydroxyimide two-metal binding pharmacophore at position 4 by carboxamido side chains was previously shown by us to be fruitful for this scaffold, since strong human immunodeficiency virus type 1 integrase (HIV-1 IN) inhibitors in the low nanomolar range associated with low micromolar anti-HIV activities were obtained. We investigated the influence of substitution at position 7 on biological activity. Introduction of electron-withdrawing functional groups such as the nitro moiety at position 7 led to a noticeable improvement of antiviral activity, down to low nanomolar anti-HIV potencies, with advantageous therapeutic indexes going close to those of the clinically used raltegravir and retained potencies against a panel of IN mutants.

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