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N-Benzyloxycarbonyl-O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl)-L-serin-2-iodethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

79121-22-5

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79121-22-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79121-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,1,2 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79121-22:
(7*7)+(6*9)+(5*1)+(4*2)+(3*1)+(2*2)+(1*2)=125
125 % 10 = 5
So 79121-22-5 is a valid CAS Registry Number.

79121-22-5Relevant academic research and scientific papers

Glycopeptide Synthesis: Selective C-terminal Deblocking and Peptide Chain Elongation of Glucosylserine Derivatives

Buchholz, Michael,Kunz, Horst

, p. 1859 - 1885 (2007/10/02)

Benzyloxycarbonyl-(Z-)serine 2-bromoethyl ester (3b) reacts with 2,3,4,6-tetra-O-benzoyl-α-D-glucopyranosyl bromide (14) to give the glucosylserine ester 15.After conversion into the corresponding 2-iodoethyl ester 23 the carboxylic group is deblocked selectively by reductive elimination using zinc.In this procedure the Z and the carbohydrate protective functions as well as the sensitive O-glycoside bond remain unaffected.The glycosylserine 24 is condensed with amino acid 2-bromoethyl esters 2 to form protected glycodipeptide 2-bromoethyl esters 18 which are extended to give glycotripeptide esters 25 after selective carboxyl deblocking.Whereas protected serine dipeptides 5 are glycosylated with 14 to form the conjugates 18, the glycosylation of the serine tripeptides 10 was not successful.

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