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(S)-(-)-4-nitrophenylurethane du lactate d'ethyle is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117403-12-0

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117403-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117403-12-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,0 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117403-12:
(8*1)+(7*1)+(6*7)+(5*4)+(4*0)+(3*3)+(2*1)+(1*2)=90
90 % 10 = 0
So 117403-12-0 is a valid CAS Registry Number.

117403-12-0Downstream Products

117403-12-0Relevant academic research and scientific papers

Saponification agents. 2. Synthesis of arylisocyanates with ethyl lactate and their use in racemic bases saponification

Brown,Moudachirou

, p. 10309 - 10320 (2007/10/02)

Reaction of the arylisocyanates 2a-c with ethyl (S)-(-)-lactate, followed by careful saponification, afforded the corresponding chiral acids (S)-(-)- 4a-c. The latter were successfully used for the resolution of various racemic bases belonging to both the ephedrine and α-aryl ethylamine series.

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