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92578-64-8

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92578-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92578-64-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,7 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 92578-64:
(7*9)+(6*2)+(5*5)+(4*7)+(3*8)+(2*6)+(1*4)=168
168 % 10 = 8
So 92578-64-8 is a valid CAS Registry Number.

92578-64-8Relevant articles and documents

SYNTHESIS OF SOME FUNCTIONALIZED PHOSPHINOCARBOXYLIC ACIDS

van Doorn, J. A.,Meijboom, N.

, p. 211 - 222 (2007/10/02)

Various functionalized phosphinocarboxylic acids have been prepared by a number of complementary methods.Reactions of relatively electron-poor secondary phosphides with electron-rich halocarboxylates in liquid ammonia give high yields of phosphinocarboxylates.The substitution reactionmay proceed by a classical SN2 mechanism or by an SN rad mechanism.Reduction of the carboxilate can be a deleterious side reaction in the preparation of phosphinoacetic acids.Several phosphinopropionic acids are prepared by the Michael adition of diphenylphosphine to unsaturated esters.A valuable method proved to be the reaction of dichlorophosphinoacetic ester with functionalized organometallic reagents. Key words: Phosphine; carboxylic acid; ligand; functionalized; synthesis; NMR data.

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