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316140-41-7

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316140-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 316140-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,6,1,4 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 316140-41:
(8*3)+(7*1)+(6*6)+(5*1)+(4*4)+(3*0)+(2*4)+(1*1)=97
97 % 10 = 7
So 316140-41-7 is a valid CAS Registry Number.

316140-41-7Relevant articles and documents

Enantioselective synthesis of a fluorinated analogue of the orsellinic acid-type twelve-membered lactone lasiodiplodin

Runge,Haufe

, p. 8737 - 8742 (2007/10/03)

The chemoenzymatic synthesis of the racemate and the one enantiomer of the fluorinated analogue 8 of the natural cyclooxygenase inhibitor lasiodiplodin is decribed. A lipase-mediated deracemization of the fluorohydrin 18 provided the chiral, nonracemic building block for the enantioselective synthesis of the title compound. The key step was the formation of the 12-membered lactene by a ring-closing metathesis.

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