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5-oxotetrahydrofuran-3-yl 4-nitrobenzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

697767-42-3

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697767-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 697767-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,6 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 697767-42:
(8*6)+(7*9)+(6*7)+(5*7)+(4*6)+(3*7)+(2*4)+(1*2)=243
243 % 10 = 3
So 697767-42-3 is a valid CAS Registry Number.

697767-42-3Downstream Products

697767-42-3Relevant academic research and scientific papers

Ru-catalyzed asymmetric hydrogenation of γ-heteroatom substituted β-keto esters

Fan, Weizheng,Li, Wanfang,Ma, Xin,Tao, Xiaoming,Li, Xiaoming,Yao, Ying,Xie, Xiaomin,Zhang, Zhaoguo

experimental part, p. 9444 - 9451 (2012/01/13)

A series of enantiomerically pure γ-heteroatom substituted β-hydroxy esters were synthesized with high enantioselectivities (up to 99.1% ee) by hydrogenation of γ-heteroatom substituted β-keto esters in the presence of Ru-(S)-SunPhos catalyst. These asymmetric hydrogenations provide key building blocks for a variety of naturally occurring and biologically active compounds.

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