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124890-93-3

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124890-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124890-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,8,9 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 124890-93:
(8*1)+(7*2)+(6*4)+(5*8)+(4*9)+(3*0)+(2*9)+(1*3)=143
143 % 10 = 3
So 124890-93-3 is a valid CAS Registry Number.

124890-93-3Relevant articles and documents

Stereoselective Intramolecular Nitrone Cycloadditions Promoted by an Allylic Stereocenter

Annunziata, Rita,Cinquini, Mauro,Cozzi, Franco,Raimondi, Laura

, p. 1901 - 1908 (2007/10/02)

A series of intramolecular nitrone cycloadditions to chiral allyl ethers was studied in order to evaluate the influence on the stereochemical outcome exerted by several factors, including the nature of the substituents at the stereocenter and the steric and electronic features of the double bond.A comparison between the stereoselectivity of these reactions and that of related nitrile oxides cycloadditions suggests that they could proceed via similar transition states.

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