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(2R,3S)-3-Propyl-oxirane-2-carboxylic acid (2-hydroxy-phenyl)-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

244239-98-3

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244239-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 244239-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,2,3 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 244239-98:
(8*2)+(7*4)+(6*4)+(5*2)+(4*3)+(3*9)+(2*9)+(1*8)=143
143 % 10 = 3
So 244239-98-3 is a valid CAS Registry Number.

244239-98-3Downstream Products

244239-98-3Relevant academic research and scientific papers

Synthesis of optically active 1,4-benzoxazinones and 1,5- benzoxazepinones by regiocontrolled ring transformations of oxirane carboxylic acids and esters with aromatic o-hydroxyarylamines

Woydowski, Karsten,Liebscher, Juergen

, p. 9205 - 9220 (2007/10/03)

Enantiopure diethyl oxirane dicarboxylate 1 reacts with o-aminophenols 2 either to 1,4-benzoxazin-2-ones 5 or to the 1,5-benzoxazepin-2-one 4 while a condensed 1,4-oxazin-3-one 6 was obtained with 2-amino-3-hydroxypyridine. On the other hand optical activ

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