219680-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219680-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,8 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219680-68:
(8*2)+(7*1)+(6*9)+(5*6)+(4*8)+(3*0)+(2*6)+(1*8)=159
159 % 10 = 9
So 219680-68-9 is a valid CAS Registry Number.
219680-68-9Relevant articles and documents
Quinolone carboxylic acid derivatives
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, (2008/06/13)
The present invention relates to quinolonecarboxylic acid derivatives having more excellent and broad antibacterial activities than the existing quinolone-series antibiotics. More specifically, it pertains to novel quinolonecarboxylic acid derivatives rep
