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183473-52-1

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183473-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183473-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,4,7 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 183473-52:
(8*1)+(7*8)+(6*3)+(5*4)+(4*7)+(3*3)+(2*5)+(1*2)=151
151 % 10 = 1
So 183473-52-1 is a valid CAS Registry Number.

183473-52-1Downstream Products

183473-52-1Relevant articles and documents

Pyrolysis of amino nitriles, cyanohydrazones, and cyanoacetamides. Part I. Elimination reaction of 1-arylmethyleneamino-1,2-dihydro-4, 6-dimethyl-2-oxopyridine-3-carbonitriles and substituted benzaldehyde cyanoacetylhydrazones

Al-Awadi,Elnagdi,Mathew,El-Gamry,Abdel Khalik

, p. 741 - 748 (1996)

Pyrolysis of the Schiff bases of 1-arylmethyleneamino-1,2-dihydro-4, 6-dimethyl-2-oxopyridine-3-carbonitriles (1-5) has been studied. These compounds eliminate via a six-membered transition state to produce substituted benzonitriles and 2-hydroxy-4,6-dimethylpyridine-3-carbonitrile. These eliminations are unimolecular first-order reactions. The kinetic data gave a good correlation with σ0 values of the substituents on the aryl group with ρ = 0.83 at 520 K. Utilization of the pyrolytic reaction in synthesis of various benzonitriles is considered, and mechanistic information has been obtained by comparing the kinetic data and product analysis of the Schiff bases with their open-chain substituted benzaldehyde cyanoacetylhydrazones (6-9) analogues.

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