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1458674-51-5

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1458674-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1458674-51-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,8,6,7 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1458674-51:
(9*1)+(8*4)+(7*5)+(6*8)+(5*6)+(4*7)+(3*4)+(2*5)+(1*1)=205
205 % 10 = 5
So 1458674-51-5 is a valid CAS Registry Number.

1458674-51-5Downstream Products

1458674-51-5Relevant articles and documents

Stereo-regulated synthesis of peptides containing a β-trifluoromethyl- β-amino acid

Cho, Joon-Il,Nishizono, Nao,Iwahashi, Nobutaka,Saigo, Kazuhiko,Ishida, Yasuhiro

, p. 9252 - 9260 (2013/10/01)

For the chemical conversions of a β-trifluoromethyl-β-amino acid ((S)-4,4,4-trifluoro-3-aminobutyric acid, 1), such as the N-terminus protection with benzyloxycarbonyl or tert-butoxycarbonyl group, the C-terminus protection with benzyl or tert-butyl group, and peptide elongation at the both termini, highly practical protocols were established. Through these conversions, the stereochemistry of 1 and/or its condensation counterpart was maintained. Because the protocols developed here are indispensable for the application of 1 in peptide engineering, they would expand the utility of 1 and its derivatives.

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