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31881-80-8

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31881-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31881-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,8 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 31881-80:
(7*3)+(6*1)+(5*8)+(4*8)+(3*1)+(2*8)+(1*0)=118
118 % 10 = 8
So 31881-80-8 is a valid CAS Registry Number.

31881-80-8Relevant articles and documents

Organocatalytic activation of isocyanides: N-heterocyclic carbene-catalyzed enaminone synthesis from ketones

Kim, Jungwon,Hong, Soon Hyeok

, p. 2401 - 2406 (2017/03/11)

The first example of the use of an N-heterocyclic carbene (NHC) as an organocatalyst for the activation of isocyanides was demonstrated. On the basis of previous reports on the interaction between NHCs and isocyanides, we developed a catalytic cycle invol

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