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201489-34-1

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201489-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201489-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,4,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 201489-34:
(8*2)+(7*0)+(6*1)+(5*4)+(4*8)+(3*9)+(2*3)+(1*4)=111
111 % 10 = 1
So 201489-34-1 is a valid CAS Registry Number.

201489-34-1Relevant articles and documents

Chemistry of the 2,5-didehydropyridine biradical: Computational, kinetic, and trapping studies toward drug design

Hoffner, Johannes,Schottelius, Marc J.,Feichtinger, Derek,Chen, Peter

, p. 376 - 385 (2007/10/03)

A combined computation, kinetic, and trapping study of the 2,5-didehydropyridine biradical finds the hydrogen abstraction reaction to be unable by protonation. The observation of small amounts of pyridine products in the thermolysis of a C,N-dialkynylimin

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