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91285-63-1

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91285-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91285-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,8 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91285-63:
(7*9)+(6*1)+(5*2)+(4*8)+(3*5)+(2*6)+(1*3)=141
141 % 10 = 1
So 91285-63-1 is a valid CAS Registry Number.

91285-63-1Relevant articles and documents

Enantioselective synthesis of tarchonanthuslactone using proline-catalyzed asymmetric α-aminooxylation

George, Shyla,Sudalai, Arumugam

, p. 975 - 981 (2008/02/03)

A practical enantioselective synthesis of tarchonanthuslactone 1, an important natural product with a polyol unit, is described. The sequence of synthetic reactions involves proline-catalyzed α-aminooxylation and iodine-induced electrophilic cyclization as the chiral inducing steps.

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