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623573-80-8

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623573-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 623573-80-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,5,7 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 623573-80:
(8*6)+(7*2)+(6*3)+(5*5)+(4*7)+(3*3)+(2*8)+(1*0)=158
158 % 10 = 8
So 623573-80-8 is a valid CAS Registry Number.

623573-80-8Downstream Products

623573-80-8Relevant articles and documents

A highly stereoselective approach to novel 2,2,4-trisubstituted pyrrolidines by halocylization: Key intermediates towards syntheses of nitrogen analogs of Noxafil

McCormick, Jinping L.,Osterman, Rebecca,Chan, Tze-Ming,Das, Pradip R.,Pramanik, Birendra N.,Ganguly, Ashit K.,Girijavallabhan, Viyyoor M.,McPhail, Andrew T.,Saksena, Anil K.

, p. 7997 - 8000 (2007/10/03)

A convenient synthesis of novel 2,2,4-trisubstituted pyrrolidines via stereoselective 5-exo iodocyclization of the 2,2-disubstituted olefins 8 and 9 is described. Single crystal X-ray analysis of the oxazolidinone 15 confirmed the relative stereochemistry in this cyclization. As observed earlier in the formation of 2,2,4-trisubstituted tetrahydrofurans, the presence of a bulky aryl substituent on the olefin appears to direct the stereochemical outcome of these halocyclizations.

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