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2-Oxo-1,2-dihydro-pyridine-3-carboxylic acid methyl-phenyl-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81685-50-9

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81685-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81685-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,8 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81685-50:
(7*8)+(6*1)+(5*6)+(4*8)+(3*5)+(2*5)+(1*0)=149
149 % 10 = 9
So 81685-50-9 is a valid CAS Registry Number.

81685-50-9Relevant academic research and scientific papers

A Convenient Synthesis of N-Aryl-1,2-dihydro-2-oxo-3-pyridinecarboxamides, N-Aryl-N-methyl-1,2-dihydro-2-oxo-3-pyrimidinecarboxamides and Their 1-Methyl (O-Methyl)-Derivatives

Cativiela, C,Fernandez, J.,Melendez, E.

, p. 1093 - 1097 (2007/10/02)

A new and versatile method for the preparation of the isonixine analogous, N-aryl-1,2-dihydro-2-oxo-3-pyridinecarboxamides and N-aryl-N-methyl-1,2-dihydro-2-oxo-3-pyridinecarboxamides is described via the selective chlorination of 2-hydroxynicotinic acid.

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