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244137-39-1

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244137-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 244137-39-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,1,3 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 244137-39:
(8*2)+(7*4)+(6*4)+(5*1)+(4*3)+(3*7)+(2*3)+(1*9)=121
121 % 10 = 1
So 244137-39-1 is a valid CAS Registry Number.

244137-39-1Downstream Products

244137-39-1Relevant academic research and scientific papers

Direct transformation of silyl enol ethers into functionalized allenes

Langer, Peter,Doering, Manfred,Seyferth, Dietmar,Goerls, Helmar

, p. 573 - 584 (2007/10/03)

The first elimination reactions of silyl enol ethers to lithiated allenes are reported. These reactions allow a direct transformation of readily available silyl enol ethers into functionalized allenes. The action of three to four equivalents of lithium di

Synthesis and domino reactions of 1,1-bis(hydroxymethyl)allenes

Langer, Peter

, p. 1217 - 1218 (2007/10/03)

The reaction of dilithiated 1,1-diphenylallene with aryl ketones provides a convenient access to novel 1,1-bis(hydroxymethyl)allenes, which undergo Friedel-Crafts-type domino reactions upon treatment with TsOH.

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