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223464-67-3

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223464-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223464-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,4,6 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 223464-67:
(8*2)+(7*2)+(6*3)+(5*4)+(4*6)+(3*4)+(2*6)+(1*7)=123
123 % 10 = 3
So 223464-67-3 is a valid CAS Registry Number.

223464-67-3Downstream Products

223464-67-3Relevant articles and documents

The substrate specificity of the heat-stable stereospecific amidase from Klebsiella oxytoca

Shaw, Nicholas M.,Naughton, Andrew B.

, p. 747 - 752 (2004)

The substrate specificity of the heat-stable stereospecific amidase from Klebsiella oxytoca was investigated. In addition to the original substrate, 3,3,3-trifluoro-2-hydroxy-2-methylpropanamide, the amidase accepted 2-hydroxy-2-(trifluoromethyl)-butanamide and 3,3,3-trifluoro-2-amino-2- methylpropanamide as substrates. Compounds with larger side chains and compounds where the hydroxyl group was substituted with a methoxy group, or in which the CF3 group was substituted by CCl3, were not accepted. The biotransformation is a new synthetic route to (R)-(+)-3,3,3- trifluoro-2-amino-2-methylpropanoic acid, and its related (S)-(-)-amide, and to (R)-(+)-2-hydroxy-2-(trifluoromethyl)-butanoic acid and its related (S)-(-)-amide.

Enzymatic resolution of Cα-fluoroalkyl substituted amino acids

Koksch, Beate,Quaedflieg, Peter J. L. M.,Michel, Thomas,Burger, Klaus,Broxterman, Quirinus B.,Schoemaker, Hans E.

, p. 1401 - 1407 (2007/10/03)

A methodology for the enzymatic resolution of sterically constrained C α-fluoroalkyl substituted amino acids has been developed. Racemic H-(αTfm)Ala-NH2, H-(αCF2Cl)Ala-NH 2 and H-(αCF2Br)Ala-NH2

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