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135645-83-9

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135645-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135645-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,4 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135645-83:
(8*1)+(7*3)+(6*5)+(5*6)+(4*4)+(3*5)+(2*8)+(1*3)=139
139 % 10 = 9
So 135645-83-9 is a valid CAS Registry Number.

135645-83-9Downstream Products

135645-83-9Relevant articles and documents

An Ireland-claisen rearrangement/lactonisation cascade as a key step in studies towards the synthesis of (-)-euonyminol

Webber, Matthew J.,Weston, Matthew,Grainger, Damian M.,Lloyd, Stacy,Warren, Sarah A.,Powell, Lyn,Alanine, Alexander,Stonehouse, Jeffrey P.,Frampton, Christopher S.,White, Andrew J. P.,Spivey, Alan C.

, p. 2693 - 2696 (2011)

Progress towards the asymmetric total synthesis of (-)-euonyminol is described with the focus on the installation of the -oxygenation pattern on the lower rim of the molecule. An Ireland-Claisen rearrangement/lactonisation cascade has been developed and studies towards further elaboration have uncovered an intriguing tunable diastereoselective -bromination of the resulting γ-lactone. Georg Thieme Verlag Stuttgart · New York.

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