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945551-93-9

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945551-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945551-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,5,5 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 945551-93:
(8*9)+(7*4)+(6*5)+(5*5)+(4*5)+(3*1)+(2*9)+(1*3)=199
199 % 10 = 9
So 945551-93-9 is a valid CAS Registry Number.

945551-93-9Relevant articles and documents

Catalytic asymmetric nitroaldol (Henry) reactions with copper(II)/ cyclopropane-based bisoxazoline complexes

Mao, Jianyou,Nie, Xin,Wang, Min,Wang, Qian,Zheng, Bing,Bian, Qinghua,Zhong, Jiangchun

, p. 965 - 971 (2012)

A series of cyclopropane-based bisoxazolines were synthesized from (R)- and (S)-amino alcohols, and applied to copper-catalyzed enantioselective nitroaldol reactions between nitromethane and various aldehydes. The reactions generated β-hydroxy nitroalkanes in high yields (97%) and with good enantioselectivities (up to 87% ee). The effects of the oxazoline stereocenters constructed in the Henry reactions were also studied. 2012 Elsevier Ltd.

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