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141928-29-2

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141928-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141928-29-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,2 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 141928-29:
(8*1)+(7*4)+(6*1)+(5*9)+(4*2)+(3*8)+(2*2)+(1*9)=132
132 % 10 = 2
So 141928-29-2 is a valid CAS Registry Number.

141928-29-2Relevant articles and documents

Characterisation of the broadly-specific O-methyl-transferase jerf from the late stages of jerangolid biosynthesis

Friedrich, Steffen,Hemmerling, Franziska,Lindner, Frederick,Warnke, Anna,Wunderlich, Johannes,Berkhan, Gesche,Hahn, Frank

, (2016)

We describe the characterisation of the O-methyltransferase JerF from the late stages of jerangolid biosynthesis. JerF is the first known example of an enzyme that catalyses the formation of a non-aromatic, cyclic methylenolether. The enzyme was overexpressed in E. coli and the cell-free extracts were used in bioconversion experiments. Chemical synthesis gave access to a series of substrate surrogates that covered a broad structural space. Enzymatic assays revealed a broad substrate tolerance and high regioselectivity of JerF, which makes it an attractive candidate for an application in chemoenzymatic synthesis with particular usefulness for late stage application on 4-methoxy-5,6-dihydro-2H-pyran-2-one-containing natural products.

Enzymes in Organic Synthesis, 11.- Enantioselective Lactonization of Methyl 3,5-Dihydroxyalkanoates. - An Access to (3R,5S,6E)-3-Hydroxy-7-phenyl-6-hepten-5-olide by Enzyme-Catalyzed Kinetic Resolution in Organic Solvents

Henkel, Birgitta,Kunath, Annamarie,Schick, Hans

, p. 809 - 812 (2007/10/02)

By enzyme-catalyzed intramolecular transesterfication methyl (+/-)-(3R*,5S*,6E)-3,5-dihydroxy-7-phenyl-6-heptenoate (rac-4) can be enantioselectively converted into the δ-lactone 5.An enantiomeric excess of 80percent was obtained by

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