Cas 64723-83-7,Ethanimidic acid, N-phenyl-2-(triphenylphosphoranylidene)-, methyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 64723-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64723-83:
(7*6)+(6*4)+(5*7)+(4*2)+(3*3)+(2*8)+(1*3)=137
137 % 10 = 7
So 64723-83-7 is a valid CAS Registry Number.

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64723-83-7Relevant academic research and scientific papers

Cumulated Ylides, VII. A Method for the Synthesis of α,β-Unsaturated Carboxylic Compounds

Bestmann, Hans Juergen,Schmid, Guenter,Sandmeier, Dieter

, p. 912 - 918 (2007/10/02)

Phosphacumulene ylides 1 add alcohols, thiols, and NH-acidic compounds to form phosphoranes 3, which react with aldehydes to give esters, thiol esters, imidates, thioimidates, amidines, azolides, and sulfonamides of α,β-unsaturated carboxylic acids.

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