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(R)-1,4-Bis-diphenylphosphanyl-3,3-dimethyl-butan-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

124128-44-5

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124128-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124128-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,2 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124128-44:
(8*1)+(7*2)+(6*4)+(5*1)+(4*2)+(3*8)+(2*4)+(1*4)=95
95 % 10 = 5
So 124128-44-5 is a valid CAS Registry Number.

124128-44-5Upstream product

124128-44-5Relevant academic research and scientific papers

Synthesis of New Optically Active Bis- and Tris(phosphines)

Brunner, Henri,Lautenschlager, Hans-Juergen

, p. 706 - 709 (1989)

The synthesis of new optically active alkanediylbis- and alkanetriyltris(diphenylphosphines) is described.Easily accessible optically pure lactones and carboxylic acids are reduced to the alcohols, tosylated and reacted with lithium diphenylphosphide to give the corresponding phosphines.

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