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175853-64-2

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175853-64-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175853-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,8,5 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 175853-64:
(8*1)+(7*7)+(6*5)+(5*8)+(4*5)+(3*3)+(2*6)+(1*4)=172
172 % 10 = 2
So 175853-64-2 is a valid CAS Registry Number.

175853-64-2Relevant articles and documents

Synthesis and conformational features of topographically constrained designer chimeric amino adds: The β-isopropyl phenylalanines

Liao, Subo,Shenderovich, Mark D.,Lin, Jun,Hruby, Victor J.

, p. 16645 - 16662 (2007/10/03)

All four optically pure isomers of the highly conformationally constrained novel chimeric amino acid, β-isopropylphenylalanine or β- phenylleucine, were asymmetrically synthesized in five to six steps in 20 - 25% overall yield. Computer-assisted molecular modeling revealed that the β- isopropyl group in these chimeric amino acids plays the dominant role in determining the most favorable side chain conformations.

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