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220974-57-2

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220974-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220974-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,7 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220974-57:
(8*2)+(7*2)+(6*0)+(5*9)+(4*7)+(3*4)+(2*5)+(1*7)=132
132 % 10 = 2
So 220974-57-2 is a valid CAS Registry Number.

220974-57-2Downstream Products

220974-57-2Relevant articles and documents

Synthesis and transglycosylase-inhibiting properties of a disaccharide analogue of moenomycin a lacking substitution at C-4 of unit F

Riedel, Sylvia,Donnerstag, Astrid,Hennig, Lothar,Welzel, Peter,Richter, Joachim,Hobert, Kurt,Mueller, Dietrich,Van Heijenoort, Jean

, p. 1921 - 1936 (1999)

A disaccharide analogue (A4 = 13c) of moenomycin A lacking the OH group in the 4-position of the uronic acid moiety has been synthesized using the Saito deoxygenation reaction as key step. 13c does not inhibit the transglycosylase (PBP 1b), a key enzyme in the biosynthesis of bacterial peptidoglycan. The result demonstrates the importance of this OH group for the binding of disaccharide moenomycin analogues to the enzyme.

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