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1407543-93-4

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1407543-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1407543-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,7,5,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1407543-93:
(9*1)+(8*4)+(7*0)+(6*7)+(5*5)+(4*4)+(3*3)+(2*9)+(1*3)=154
154 % 10 = 4
So 1407543-93-4 is a valid CAS Registry Number.

1407543-93-4Relevant articles and documents

Novel axially unfixed biaryl-based water-compatible organocatalysts: Design, synthesis and their asymmetric catalysis in direct aldol reactions in water

Zhao, Hong-Wu,Yue, Yuan-Yuan,Li, Hai-Long,Song, Xiu-Qing,Sheng, Zhi-Hui,Yang, Zhao,Meng, Wei,Yang, Ze

, p. 2160 - 2164 (2013)

A family of novel axially unfixed biaryl-based, water-compatible bifunctional organocatalysts were designed and synthesized for asymmetric catalytic direct aldol reactions in water. These organocatalysts are comprised of prolinamide, aromatic sulfonamide and biaryl motifs. Under the optimal reaction conditions, one organocatalyst in particular delivered excellent stereocontrol (up to 99% ee and 99:1 dr) in direct aldol reactions of cyclohexanone with a variety of aromatic aldehydes in water. Georg Thieme Verlag Stuttgart, New York.

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