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22948-16-9

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22948-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22948-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,4 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22948-16:
(7*2)+(6*2)+(5*9)+(4*4)+(3*8)+(2*1)+(1*6)=119
119 % 10 = 9
So 22948-16-9 is a valid CAS Registry Number.

22948-16-9Relevant articles and documents

1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acids and antibacterial agents containing them

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, (2008/06/13)

An antibacterial 1-cyclopropyl-6-fluoro-1,4- dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid of the formula STR1 in which R represents branched or straight-chain propyl or butyl which is optionally substituted by hydroxy or methoxy, unsubstituted tert.-butyl, 2-methylthioethyl, trifluoromethylthiomethyl, 2-trifluoromethylthioethyl, cycloalkyl with 3 to 6 carbon atoms, cycloalkenyl having 5 to 6 carbon atoms optionally substituted by hydroxyl, 1,1-dioxidotetrahydrothiophen-3-yl, cyclopropylmethyl, 1-phenethyl, furylmethyl, allyl or propargyl optionally substituted by phenyl and their pharmaceutically usable hydrates, acid addition salts, metal and guanidinium salts and prodrug forms.

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