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944059-52-3

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944059-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944059-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,0,5 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 944059-52:
(8*9)+(7*4)+(6*4)+(5*0)+(4*5)+(3*9)+(2*5)+(1*2)=183
183 % 10 = 3
So 944059-52-3 is a valid CAS Registry Number.

944059-52-3Relevant academic research and scientific papers

Synthesis of the tricyclic core of colchicine via a dienyne tandem ring-closing metathesis reaction

Boyer, Francois-Didier,Hanna, Issam

, p. 2293 - 2295 (2008/02/05)

The synthesis of the tricyclic framework of colchicine has been achieved using a tandem ring-closing metathesis reaction of dienynes as the key step. In this process, both seven-membered rings B and C were formed in one step. Oxidation of tertiary allylic

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