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76394-24-6

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76394-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76394-24-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,9 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76394-24:
(7*7)+(6*6)+(5*3)+(4*9)+(3*4)+(2*2)+(1*4)=156
156 % 10 = 6
So 76394-24-6 is a valid CAS Registry Number.

76394-24-6Relevant articles and documents

Ring Transformation of 3,4-Diphenyl-2-furylcarbamoyl Compounds to N-Substituted 3,4-Diphenyl-5-hydroxy-3-pyrrolin-2-ones

Yakushijin, Kenichi,Kozuka, Masamichi,Furukawa, Hiroshi

, p. 2178 - 2184 (2007/10/02)

3,4-Diphenyl-2-furylcarbamoyls (IIIa - e) react with oxygen in benzene at room temperature and in the abscence of catalysts or bases to give 3,4-diphenyl-5-hydroxy-3-pyrrolin-2-ones (Va - e) as main products.Under the same conditions, treatment of 3,4-diphenyl-2-furyl isocyanate (II) with an excess of various amines resulted in a clean autoxidation reaction to give Ve - h and diphenylmaleimides (XIIa - d) in a ratio of about 1:1. 3-Hydroxyphenantropyrrolin-1-ones (XIIIa - e) were prepared by the photocyclization of Va - e.

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