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139396-15-9

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139396-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139396-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,9 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139396-15:
(8*1)+(7*3)+(6*9)+(5*3)+(4*9)+(3*6)+(2*1)+(1*5)=159
159 % 10 = 9
So 139396-15-9 is a valid CAS Registry Number.

139396-15-9Relevant articles and documents

Synthesis and antibacterial activity of 1-(substituted pyrrolyl)-7- (substituted amino)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids

Liu,Guo

, p. 3469 - 3473 (1992)

Seventeen quinolone compounds characterized by having a fluorine atom at the 6-position, a substituted amino at the 7-position, and a substituted pyrrolyl at the 1-position were synthesized for the first time. The in vitro antibacterial activities of thes

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