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607405-07-2

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607405-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 607405-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,7,4,0 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 607405-07:
(8*6)+(7*0)+(6*7)+(5*4)+(4*0)+(3*5)+(2*0)+(1*7)=132
132 % 10 = 2
So 607405-07-2 is a valid CAS Registry Number.

607405-07-2Relevant articles and documents

Organocatalysts promote enantioselective 1,3-dipolar cycloadditions of nitrones with 1-cycloalkene-1-carboxaldehydes

Karlsson, Staffan,Hoegberg, Hans-Erik

, p. 2782 - 2791 (2003)

In the presence of enantiopure organocatalysts, 1-cycloalkene-1-carboxaldehydes and various nitrones furnished fused isoxazolidines. Thus, some chiral pyrrolidinium salts catalyzed the formation of such cycloadducts in high diastereoand enantioselectivity (up to 92% ee). The predominant diastereomer, the exo one, was mostly obtained in excellent diastereoselectivity (> 99:1 dr). Furthermore, after recrystallization of one of the cycloadducts, this was obtained enantiomerically pure (> 99% ee). The absolute configuration of one of the cycloadducts was determined. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.

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