157337-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157337-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,3 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157337-98:
(8*1)+(7*5)+(6*7)+(5*3)+(4*3)+(3*7)+(2*9)+(1*8)=159
159 % 10 = 9
So 157337-98-9 is a valid CAS Registry Number.
157337-98-9Relevant academic research and scientific papers
Quinolone- and naphthyridonecarboxylic acid derivatives
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, (2008/06/13)
The invention relates to new quinolone- and naphthyridonecarboxylic acid derivatives which have hydrogen in the 6-position, to processes for their preparation, and to antibacterial compositions and feed additives containing them.
