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944914-05-0

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944914-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944914-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,9,1 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 944914-05:
(8*9)+(7*4)+(6*4)+(5*9)+(4*1)+(3*4)+(2*0)+(1*5)=190
190 % 10 = 0
So 944914-05-0 is a valid CAS Registry Number.

944914-05-0Downstream Products

944914-05-0Relevant articles and documents

AmIno Acid Homologation by the Blaise Reaction: A new entry into nitrogen heterocycles

Cam, Thuy Hoang,Bouillere, Francelin,Johannesen, Sine,Zulauf, Anais,Panel, Cecilia,Pouilhes, Annie,Gori, Didier,Alezra, Valerie,Kouklovsky, Cyrille

body text, p. 4177 - 4187 (2009/09/08)

(Chemical Equation Presented) A general strategy for the amino acid homologation via Blaise reaction and subsequent reduction is presented. This strategy involves the preparation of protected α-amino nitriles from the corresponding amino acids, followed by the zinc-mediated condensation of tert-butyl bromoacetate, to give the imidazolidones after iminozincate cyclization. Reduction gave the saturated imidazolidinones with cis or trans stereochemistry, depending on the reduction conditions. This strategy was applied to nonfunctionalized amino acids and to functionalized amino acids such as serine and aspartic acid. Additionally, acidic hydrolysis of cis or trans imidazolidinones to the corresponding chiral 4-aminopyrrolidones is described.

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