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N-<3-(Methoxycarbonyl)propionyl>-2-(triphenylphosphoranyliden)acetanilid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98749-46-3

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98749-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98749-46-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,4 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98749-46:
(7*9)+(6*8)+(5*7)+(4*4)+(3*9)+(2*4)+(1*6)=203
203 % 10 = 3
So 98749-46-3 is a valid CAS Registry Number.

98749-46-3Relevant academic research and scientific papers

Cumulated Ylides, XVI. A Method for the Exchange of the OH Group in Free Carboxylic Acids by the Ylide Function

Bestmann, Hans Juergen,Schade, Gerold,Schmid, Guenter,Moenius, Thomas

, p. 2635 - 2639 (2007/10/02)

Carboxylic acids 5 react with triphenylphosphorane (4) via the intermediate 6 with formation of the phosphoranes 7, which rearrange by heating in an intramolecular acyl migration to ylides 10.By heating of 10 in the presence of an alcohol 13 the acyl ylides 11 and urethanes 14 are formed.The reaction sequence allows the replacement of the OH group in carboxylic acids by the ylide function.

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