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198482-62-1

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198482-62-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198482-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,4,8 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 198482-62:
(8*1)+(7*9)+(6*8)+(5*4)+(4*8)+(3*2)+(2*6)+(1*2)=191
191 % 10 = 1
So 198482-62-1 is a valid CAS Registry Number.

198482-62-1Relevant articles and documents

6-O-SUBSTITUTED KETOLIDES HAVING ANTIBACTERIAL ACTIVITY

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, (2016/10/27)

PROBLEM TO BE SOLVED: To provide 6-O-substituted ketolides with antibacterial activity, having acid stability and enhanced activity toward gram negative bacteria and macrolide resistant gram positive bacteria. SOLUTION: This invention provides 6-O-substituted erythromycin ketolide derivatives such as formula (II) and compositions comprising the compounds. [Y and Z together form a group X; X is ketone, hydroxyimino or the like; or, one of Y and Z is H and the other is hydrogen, hydroxy or the like; Ra is H, hydroxy; Rc is H or a hydroxy protective group; R is a substituted methyl group]. COPYRIGHT: (C)2015,JPOandINPIT

Synthesis and antibacterial activity of novel 6-O-substituted erythomycin A derivatives

Clark, Richard F.,Ma, Zhenkun,Wang, Sanyi,Griesgraber, George,Tufano, Michael,Yong, Hong,Li, Leping,Zhang, Xiaolin,Nilius, Angela M.,Chu, Daniel T. W.,Or, Yat Sun

, p. 815 - 819 (2007/10/03)

A series of novel 6-O-substituted erythromycin A derivatives has been synthesized. Good in vitro antibacterial activity has been demonstrated for analogues incorporating a variety of structural features. The methodology disclosed is expected to find application in the design of future macrolide antibiotics that target the prevalent bacterial resistance problem. (C) 2000 Elsevier Science Ltd. All rights reserved.

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