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13432-71-8

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13432-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13432-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,3 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13432-71:
(7*1)+(6*3)+(5*4)+(4*3)+(3*2)+(2*7)+(1*1)=78
78 % 10 = 8
So 13432-71-8 is a valid CAS Registry Number.

13432-71-8Upstream product

13432-71-8Relevant articles and documents

The Diels-Alder reactions of para-benzoquinone nitrogen-derivatives: An experimental and theoretical study

Uliana, Marciana P.,Servilha, Bruno M.,Alexopoulos, Olga,De Oliveira, Kleber T.,Tormena, Cláudio F.,Ferreira, Marco A.B.,Brocksom, Timothy J.

, p. 6963 - 6973 (2014)

An experimental and theoretical study of the comparative reactivity and selectivity of the Diels-Alder reactions of para-benzoquinones and three nitrogen derivatives have been performed. The mono-oximes derivatives do not react under the tested reaction conditions, whereas the tosylated mono-oximes react slowly. However, the mono N-tosyl imines show excellent reactivity, and superior to the parent parabenzoquinones. DFT calculations support these experimental results.

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