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1326723-09-4

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1326723-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1326723-09-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,6,7,2 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1326723-09:
(9*1)+(8*3)+(7*2)+(6*6)+(5*7)+(4*2)+(3*3)+(2*0)+(1*9)=144
144 % 10 = 4
So 1326723-09-4 is a valid CAS Registry Number.

1326723-09-4Downstream Products

1326723-09-4Relevant articles and documents

Candida tenuis xylose reductase catalysed reduction of acetophenones: The effect of ring-substituents on catalytic efficiency

Vogl, Michael,Kratzer, Regina,Nidetzky, Bernd,Brecker, Lothar

experimental part, p. 5863 - 5870 (2011/09/30)

The catalytic efficiencies of Candida tenuis xylose reductase catalysed reductions of mono-substituted acetophenones are in reasonable correlation with the σ-Hammett coefficients of the substituted phenyl groups. Variations of the substrate transformation rates are hence mainly caused by mesomeric and inductive effects of the substituents, while differences in substrate binding have a secondary relevance. Some substrate 1H NMR chemical shifts and carbonyl IR absorption bands are in reasonable accordance with the catalytic activities and allow the estimation of the transformation rates with good accuracy. The resulting substituted (S)-1-phenyl ethanols are generated in very high enantiomeric excess.

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