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2-(Diphenyl-phosphinoyl)-1-(4-methoxy-phenyl)-3-methyl-butan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172513-48-3

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172513-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172513-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,5,1 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 172513-48:
(8*1)+(7*7)+(6*2)+(5*5)+(4*1)+(3*3)+(2*4)+(1*8)=123
123 % 10 = 3
So 172513-48-3 is a valid CAS Registry Number.

172513-48-3Relevant articles and documents

The stereoselective Horner-Wittig reaction with phoshine oxides: Synthesis of hindered Z alkenes via Luche reduction

Hutton,Jolliff,Mitchell,Warren

, p. 7905 - 7908 (2007/10/02)

The natural anti selectivity of the Horner-Wittig reaction with phospine oxides is reduced when there is a branched chain next to the new C=C double bond. A better approach is Luche reduction of the corresponding ketones which gives high anti selectivity when the branched chain is placed on the side chain next to the phosphine oxide.

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