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1391351-22-6

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1391351-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1391351-22-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,3,5 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1391351-22:
(9*1)+(8*3)+(7*9)+(6*1)+(5*3)+(4*5)+(3*1)+(2*2)+(1*2)=146
146 % 10 = 6
So 1391351-22-6 is a valid CAS Registry Number.

1391351-22-6Downstream Products

1391351-22-6Relevant articles and documents

Design of β-amino acid with backbone-side chain interactions: Stabilization of 14/15-helix in α/β-peptides

Sharma, Gangavaram V. M.,Yadav, Thota Anupama,Choudhary, Madavi,Kunwar, Ajit C.

, p. 6834 - 6848 (2012/10/07)

A new C-linked carbo-β-amino acid, (R)-β-Caa(r), having a carbohydrate side chain with d-ribo configuration, was prepared from d-glucose by inverting the C-3 stereocenter to introduce constraints/ interactions. From the NMR studies it was inferred that the new monomer may participate in additional electrostatic interactions, facilitating and enhancing novel folds in oligomeric peptides derived from it. The α/β- peptides, synthesized from alternating l-Ala and (R)-β-Caa(r), have shown the presence of 14/15-helix by NMR (in CDCl3, methanol-d3 and CD3CN), CD and MD calculations. The hybrid peptides showed the presence of electrostatic interactions involving the intraresidue amide proton and the C3-OMe, which helped in the stabilization of the NH(i)???CO(i-4) H-bonds and adoption of 14/15-helix. The importance of such additional interactions has been well defined in recent times to stabilize the folding in a variety of peptidic foldamers. These observations suggest and emphasize that the side chain-backbone interactions are crucial in the stabilization of the desired folding propensity. The designed monomer thus enlarges the opportunities for the synthesis of peptides with novel conformations and expands the repertoire of the foldamers.

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