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840501-17-9

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840501-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840501-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,0 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 840501-17:
(8*8)+(7*4)+(6*0)+(5*5)+(4*0)+(3*1)+(2*1)+(1*7)=129
129 % 10 = 9
So 840501-17-9 is a valid CAS Registry Number.

840501-17-9Relevant articles and documents

Effects of positional and geometrical isomerism on the biological activity of some novel oxazolidinones

Das, Jagattaran,Rao, C.V. Laxman,Sastry,Roshaiah,Sankar, P. Gowri,Khadeer, Abdul,Kumar, M. Sitaram,Mallik, Arundhuti,Selvakumar,Iqbal, Javed,Trehan, Sanjay

, p. 337 - 343 (2007/10/03)

Some novel oxazolidinone derivatives have been synthesized and tested for antibacterial activity. Compound 13 was found to be active against Gram-positive pathogens whereas compound 14 was less active. Either less active or inactive molecules were obtained, when benzotriazole was replaced with benzimidazole, benzthiazole, or benzoxazole. However, thioacetamide analogue of 13 produced a potent molecule similar to linezolid in vitro. Some novel oxazolidinone derivatives with benzotriazole as pendant have been synthesized and tested for antibacterial activity. Linearly attached benzotriazole derivative showed more potency compared to angular one in vitro. Out of E/Z-isomers of angularly attached derivatives E-isomer was found to be more potent than Z-isomer. Either less active or inactive molecules were obtained, when benzotriazole was replaced with benzimidazole, benzthiazole, or benzoxazole. Finally, thioacetamide analogue of linear compound gave a lead having activity similar to linezolid in vitro.

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