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37760-81-9

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37760-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37760-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,6 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 37760-81:
(7*3)+(6*7)+(5*7)+(4*6)+(3*0)+(2*8)+(1*1)=139
139 % 10 = 9
So 37760-81-9 is a valid CAS Registry Number.

37760-81-9Relevant articles and documents

Synthesis of phosphorus isosters of β-amyloid peptides fragments

Dmitriev,Ragulin

, p. 2091 - 2098 (2015/11/02)

We have developed a synthetic route to pseudo dipeptides, analogs of certain fragments of β-amyloid peptides (products of the APP protein hydrolysis). These compounds can be used for preparation of phosphinic acidic oligopeptides representing the peptide sequence of the β-amyloid but containing the phosphorus isoster peptide fragment. Synthesis of pseudo ornityl-glutamate, pseudo arginyl-glutamate, pseudo glycyl-leucine, and pseudo isoleucyl-glycine via amino- and amidoalkylation of phosphonic acids containing the structural isoster of the corresponding amino acid is described.

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