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95855-33-7

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95855-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95855-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,8,5 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 95855-33:
(7*9)+(6*5)+(5*8)+(4*5)+(3*5)+(2*3)+(1*3)=177
177 % 10 = 7
So 95855-33-7 is a valid CAS Registry Number.

95855-33-7Downstream Products

95855-33-7Relevant articles and documents

Synthesis of Heterocyclic Compounds, XXXVIII. - Five-membered Heterocycles by Cyclization of 3-Benzoyl-4-oxobutanenitriles

Ciller, J. A.,Seoane, C.,Soto, J.L.

, p. 51 - 57 (2007/10/02)

A synthesis of N-benzylidene-2-furanamines 8 by means of cyanide addition to acylchalcones 2, followed by piperidine-catalyzed cyclization in the presence of an aldehyde is reported.The 2-pyrrolones 4 are formed together with the compounds 8.In the absence of an aldehyde no furan is obtained.The intermediate 2-aryl-3-benzoyl-4-oxo-4-phenylbutanenitriles 3are easily isolated.The N-benzylidene-2-furanamines 9 are obtained from the oxonitriles 5.

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