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(R)-3-{3-[(R)-2-Methoxycarbonyl-1-((S)-toluene-4-sulfinylamino)-ethyl]-phenyl}-3-((S)-toluene-4-sulfinylamino)-propionic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220273-45-0

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220273-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220273-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,7 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220273-45:
(8*2)+(7*2)+(6*0)+(5*2)+(4*7)+(3*3)+(2*4)+(1*5)=90
90 % 10 = 0
So 220273-45-0 is a valid CAS Registry Number.

220273-45-0Downstream Products

220273-45-0Relevant articles and documents

A stereoselective synthesis of bis-β-amino acids

Adamczyk, Maciej,Reddy, Rajarathnam E.

, p. 3919 - 3921 (2007/10/03)

Enantiopure bis-β-amino acids (5a-c) were prepared from chiral bis- sulfinimines (3a-c) in >97% ee via stereoselective addition of the sodium enolate of methyl acetate followed by hydrolysis.

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