103978-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103978-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,7 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103978-33:
(8*1)+(7*0)+(6*3)+(5*9)+(4*7)+(3*8)+(2*3)+(1*3)=132
132 % 10 = 2
So 103978-33-2 is a valid CAS Registry Number.
103978-33-2Relevant articles and documents
Antibiotic derivatives of 7-phenyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
-
, (2008/06/13)
1-Substituted-6-fluoro-7-aryl-(8-fluoro)-1,4-dihydroquinol-4-one 3-carboxylic acids having antibacterial activity are prepared by reacting the corresponding alkyl 1-substituted-6-fluoro-7-bromo-(8-fluoro)-1,4-dihydroquinol-4-one-3-carboxylate with an arylmetallic compound and hydrolyzing the ester formed.