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1353566-43-4

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1353566-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353566-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,5,6 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1353566-43:
(9*1)+(8*3)+(7*5)+(6*3)+(5*5)+(4*6)+(3*6)+(2*4)+(1*3)=164
164 % 10 = 4
So 1353566-43-4 is a valid CAS Registry Number.

1353566-43-4Relevant articles and documents

Total synthesis of seco-plakortolide e and (-)-ent-plakortolide I: Absolute configurational revision of natural plakortolide i

Barnych, Bogdan,Vatele, Jean-Michel

, p. 564 - 567 (2012/03/26)

A first total synthesis of (-)-ent-plakortolide I and seco-plakortolide E was accomplished from (S)-2-methylglycidol. The relevant key reactions involve a diastereoselective Mukaiyama aldol reaction, a regioselective hydroperoxysilylation, and elaboration of the 1,2-dioxane ring by intramolecular Michael addition of a hydroperoxide group to a butenolide. This synthesis allowed the revision of the absolute configuration of plakortolide I and structural revision of plakortolide E.

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