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82653-45-0

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82653-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82653-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,5 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82653-45:
(7*8)+(6*2)+(5*6)+(4*5)+(3*3)+(2*4)+(1*5)=140
140 % 10 = 0
So 82653-45-0 is a valid CAS Registry Number.

82653-45-0Relevant articles and documents

Unusual Michael Reaction of Acyclic 1,3-Dicarbonyl Compounds with Nitro-olefins. A Novel Pyrrole Synthesis

Gomez-Sanchez, Antonio,Stiefel, Berta Marco,Fernandez-Fernandez, Rosario,Pascual, Conrado,Bellanato, Juana

, p. 441 - 447 (2007/10/02)

Acetoacetic esters and pentane-2,4-dione undergo unusual Michael reactions with β-nitrostyrene in methanol-sodium methoxide to form the (2R,3R,2'S,3'S)-bis-(4-acyl-2,3-dihydro-5-methyl-3-phenyl-2)-furylhydroxylamines (5) in high yields.The normal adducts

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