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(3R,4S)-3-Phenyl-2-aza-spiro[4.5]dec-1-ene-4-carboxylic acid ethyl ester; compound with picric acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75373-49-8

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75373-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75373-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,7 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75373-49:
(7*7)+(6*5)+(5*3)+(4*7)+(3*3)+(2*4)+(1*9)=148
148 % 10 = 8
So 75373-49-8 is a valid CAS Registry Number.

75373-49-8Relevant academic research and scientific papers

α-Aminophosphonates. III. Cycloaddition anionique-1,3 des esters α,β-insatures: Preparation et transformations des Δ1-pyrrolines

Dehnel, Andre,Kanabus-Kaminska, Jolanta M.,Lavielle, Gilbert

, p. 310 - 318 (2007/10/02)

The anions of the 2-azaallylphosphonates 1 react with the α,β-unsaturated esters 2 to yield intermediates 4'.These intermediates form the 2-diethoxyphosphonyl-4-ethoxycarbonylpyrrolidines 4 following a protonation while an elimination of the anion of the

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