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852520-79-7

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852520-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852520-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,5,2 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 852520-79:
(8*8)+(7*5)+(6*2)+(5*5)+(4*2)+(3*0)+(2*7)+(1*9)=167
167 % 10 = 7
So 852520-79-7 is a valid CAS Registry Number.

852520-79-7Relevant articles and documents

Total synthesis of microcarpalide

Kumar, Pradeep,Naidu, S. Vasudeva

, p. 4207 - 4210 (2007/10/03)

An efficient, convergent approach for the total synthesis of microcarpalide (1) is described. The synthetic strategy features the Sharpless asymmetric dihydroxylation, regioselective epoxide opening with various nucleophiles such as a lithium acetylide and cuprates derived from the vinyl stannane and the vinyl iodide for the construction of a C7-C8 trans-double bond and Yamaguchi macrolactonization as the key steps.

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