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223396-46-1

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223396-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223396-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,3,9 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 223396-46:
(8*2)+(7*2)+(6*3)+(5*3)+(4*9)+(3*6)+(2*4)+(1*6)=131
131 % 10 = 1
So 223396-46-1 is a valid CAS Registry Number.

223396-46-1Downstream Products

223396-46-1Relevant articles and documents

Non-biaryl atropisomers derived from carbohydrates. Part 2. Atropisomeric behavior of monocyclic and bicyclic imidazolidine-2-ones and 2- thiones

Avalos, Martin,Babiano, Reyes,Cintas, Pedro,Higes, Francisco J.,Jimenez, Jose L.,Palacios, Juan C.,Silvero, Guadalupe,Valencia, Concepcion

, p. 4401 - 4426 (1999)

High-yielding syntheses of bicyclic imidazolidine-2-ones and 2-thiones bearing an ortho-substituted aromatic ring have been described. Their atropisomeric behavior has been studied in depth taking into account the effects of substituents in the ortho position, the length of the exocyclic C=X bond, and the presence of substituents at C-5 in the heterocyclic ring. The barriers to rotation were independently estimated by dynamic NMR spectroscopy and molecular mechanics.

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