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116589-44-7

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116589-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116589-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,5,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 116589-44:
(8*1)+(7*1)+(6*6)+(5*5)+(4*8)+(3*9)+(2*4)+(1*4)=147
147 % 10 = 7
So 116589-44-7 is a valid CAS Registry Number.

116589-44-7Relevant articles and documents

Synthesis, biological evaluation and docking studies of novel benzopyranone congeners for their expected activity as anti-inflammatory, analgesic and antipyretic agents

Eissa, Amal A.M.,Farag, Nahla A.H.,Soliman, Gamal A.H.

experimental part, p. 5059 - 5070 (2009/12/04)

8-Acetyl-7-hydroxy-4-phenyl-2H-benzopyran-2-one as starting material a number of 8-substituted derivatives (i.e., hydrazones 2a,b, imine 2c, chalcones 3, pyrazoles 4, 3-cyano-2-oxo-dihydropyridines 5, and/or 3-cyano-2-imino-dihydropyridines 6) were synthe

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