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14843-73-3

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14843-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14843-73-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,8,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 14843-73:
(7*1)+(6*4)+(5*8)+(4*4)+(3*3)+(2*7)+(1*3)=113
113 % 10 = 3
So 14843-73-3 is a valid CAS Registry Number.

14843-73-3Relevant articles and documents

Synthesis of the milk oligosaccharide 2′-fucosyllactose using recombinant bacterial enzymes

Albermann, Christoph,Piepersberg, Wolfgang,Wehmeier, Udo F

, p. 97 - 103 (2007/10/03)

The enzymatic synthesis of GDP-β-L-fucose and its enzymatic transfer reaction using recombinant enzymes from bacterial sources was examined. The GDP-D-mannose 4,6-dehydratase and the GDP-4-keto-6-deoxy-D-mannose 3,5-epimerase-4-reductase from Escherichia coli K-12, respectively, were used to catalyse the conversion of GDP-α-D-mannose to GDP-β-L-fucose with 78% yield. For the transfer of the L-fucose to an acceptor, we cloned and overproduced the α-(1 → 2)-fucosyltransferase (FucT2) protein from Helicobacter pylori. We were able to synthesise 2′-fucosyllactose using the overproduced FucT2 enzyme, enzymatically synthesised GDP-L-fucose and lactose. The isolation of 2′-fucosyllactose was accomplished by anion-exchange chromatography and gel filtration to give 65% yield.

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