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321971-04-4

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321971-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321971-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,7 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 321971-04:
(8*3)+(7*2)+(6*1)+(5*9)+(4*7)+(3*1)+(2*0)+(1*4)=124
124 % 10 = 4
So 321971-04-4 is a valid CAS Registry Number.

321971-04-4Downstream Products

321971-04-4Relevant articles and documents

An improved protocol for the SmI2-promoted C-alkylation of peptides: Degradation and functionalization of serine residues in linear and cyclic peptides

Blakskj?r, Peter,Gavrila, Adina,Andersen, Lisbeth,Skrydstrup, Troels

, p. 9091 - 9094 (2007/10/03)

The utility of the samarium diiodide promoted C-alkylation of peptides for the introduction of new side chains on peptide strands is dramatically enhanced by the initial oxidative degradation of serine residues in small peptides. In this way, cyclic pepti

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