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133125-16-3

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133125-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133125-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,2 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133125-16:
(8*1)+(7*3)+(6*3)+(5*1)+(4*2)+(3*5)+(2*1)+(1*6)=83
83 % 10 = 3
So 133125-16-3 is a valid CAS Registry Number.

133125-16-3Relevant articles and documents

Synthese enantioselective d'α-aryl amino acides: subtitution nucleophile aromatique sur le fluorobenzene chrome tricarbonyle d'enolates chiraux

Chaari, M.,Jenhi, A.,Lavergne, J.-P.,Viallefont, Ph.

, p. C10 - C13 (1991)

We report here a convenient synthesis of optically pure α-aryl amino acids by enantioselective substitution of fluorobenzene tricarbonylchromium using the Schiff bases of L-alanine methyl ester with (1R,2R,5R)-2-hydroxy-3-pinanone in presence of LDA or deprotonated 2-(tert-butyl)-4-methyl-1,3-oxazolidin-5 one.

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