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69754-58-1

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69754-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69754-58-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,5 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69754-58:
(7*6)+(6*9)+(5*7)+(4*5)+(3*4)+(2*5)+(1*8)=181
181 % 10 = 1
So 69754-58-1 is a valid CAS Registry Number.

69754-58-1Downstream Products

69754-58-1Relevant articles and documents

SYNTHESE D'ALCOHOLS α-ALLENIQUES PAR REACTION D'ORGANOCHROMIQUES PROPARGYLIQUES SUR LES ALDEHYDES ET LES CETONES

Place, Pierre,Verniere, Catherine,Gore, Jacques

, p. 1359 - 1368 (1981)

Propargylic bromides can be condensed with aldehydes and ketones in the presence of Hiyama's reagent (2CrCl3+LiAlH4 in THF) leading to α-allenic alcohols, to homopropargylic alcohols or to the mixture of both of them.The selectivity (or specificity) of this reaction depends on the substitution of the propargylic bromide, on the structure of the ketone, and on the presence of HMPT in the reaction mixture.In many cases, α- allenic alcohol has been specifically or very selectively obtained.The mechanism of the reaction and the influence of the various parameters are discussed.

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