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749885-73-2

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749885-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 749885-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,8,8 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 749885-73:
(8*7)+(7*4)+(6*9)+(5*8)+(4*8)+(3*5)+(2*7)+(1*3)=242
242 % 10 = 2
So 749885-73-2 is a valid CAS Registry Number.

749885-73-2Downstream Products

749885-73-2Relevant articles and documents

Kinetic Enzymatic Resolution of Cyclopropane Derivatives

Pietruszka, Joerg,Rieche, Anja C. M.,Wilhelm, Thorsten,Witt, Andreas

, p. 1273 - 1286 (2007/10/03)

The kinetic enzymatic resolution of various cyclopropane derivatives was systematically investigated. The study focused on synthetically useful cyclopropylmethanols (e.g., 18a/j or 19a/j) as well as some rarely investigated cyclopropanols (e.g., 24/25 or 27). The combination of enantioselective catalytic or diastereoselective synthesis of enantiomerically enriched compounds with enzymatic approaches ultimately led to the most convenient route to enantiomerically pure starting materials. Again, this was especially proven for the synthesis of cyclopropanols 18a/j and 19a/j. Key to the successful investigation was to rigorously establish an analytical tool for the analysis of enantiomeric composition of reaction mixtures.

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