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(S)-1-((R)-Phenoxy-phenyl-phosphinoyl)-pyrrolidine-2-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70971-20-9

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70971-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70971-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,7 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70971-20:
(7*7)+(6*0)+(5*9)+(4*7)+(3*1)+(2*2)+(1*0)=129
129 % 10 = 9
So 70971-20-9 is a valid CAS Registry Number.

70971-20-9Downstream Products

70971-20-9Relevant academic research and scientific papers

CHIRAL PHENYLPHOSPHONIC ESTERS, THEIR PREPARATION VIA ETHYL N- L-PROLINATE AND THEIR ABSOLUTE CONFIGURATIONS

Koizumi, Toru,Takagi, Hiroyasu,Yoshii, Eiichi

, p. 1403 - 1406 (2007/10/02)

Diastereomerically pure ethyl N--L-prolinate was prepared.From this intermediate various optically active phenylphosphonic acid derivatives have been obtained in high optical yields.Their absolute configurations have been det

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