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914389-51-8

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914389-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 914389-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,3,8 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 914389-51:
(8*9)+(7*1)+(6*4)+(5*3)+(4*8)+(3*9)+(2*5)+(1*1)=188
188 % 10 = 8
So 914389-51-8 is a valid CAS Registry Number.

914389-51-8Relevant articles and documents

Synthesis of enantiopure pyrrolidine-derived peptidomimetics and oligo-β-peptides via nucleophilic ring-opening of β-lactams

Macias, Alberto,Ramallal, Antonio Moran,Alonso, Eduardo,Del Pozo, Carlos,Gonzalez, Javier

, p. 7721 - 7730 (2007/10/03)

(Chemical Equation Presented) The synthesis of the two enantiomers of pyrrolidine-derived spiro β-lactams by resolution with D- and L-Boc phenylalanine is described. The potential of these optically active spiro β-lactams on the synthesis of peptidomimetics as analogues of melanostatin is evaluated. Theoretical studies of several models, at the Becke3LYP/6-31+G* level of theory, together with previous experimental evidences from our group, gathered by NMR, allow us to design structures that can efficiently mimic some biologically active peptide-type molecules. On the other hand, the spiro β-lactams have shown their utility in the preparation of β-peptides. As an example, a homo-tetra-β-peptide was synthesized. This research will continue in the future in order to obtain higher peptides with potential biological activity.

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