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(S)-(-)-2-(N-diphenylphosphinyl)amino-3-methylbutanal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

211565-43-4

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211565-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211565-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,5,6 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 211565-43:
(8*2)+(7*1)+(6*1)+(5*5)+(4*6)+(3*5)+(2*4)+(1*3)=104
104 % 10 = 4
So 211565-43-4 is a valid CAS Registry Number.

211565-43-4Relevant academic research and scientific papers

The use of phosphinamide N-protecting groups in the diastereoselective reduction of ketones

Palmer, Matthew J.,Studley, John R.,Walsgrove, Tim C.,Wills, Martin

, p. 8827 - 8840 (2007/10/03)

The phosphinamide N-protecting group is demonstrated to be an effective directing group for diastereoselective reductions of proximal ketones. A range of methods for the preparation of the requisite α-amino ketones substrates are described.

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