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355022-27-4

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355022-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 355022-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,5,0,2 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 355022-27:
(8*3)+(7*5)+(6*5)+(5*0)+(4*2)+(3*2)+(2*2)+(1*7)=114
114 % 10 = 4
So 355022-27-4 is a valid CAS Registry Number.

355022-27-4Downstream Products

355022-27-4Relevant articles and documents

First, atropo-enantioselective total synthesis of the axially chiral phenylanthraquinone natural products knipholone and 6′-O-methylknipholone

Bringmann, Gerhard,Menche, Dirk

, p. 1687 - 1690 (2001)

The first stereoselective access to an axially chiral arylanthraquinone, the antimalarial natural product knipholone (3), was achieved by application of the "lactone concept". Key steps were the intramolecular coupling of the bromoester 1, to give the configurationally unstable biaryl lactone 2, and the enantioselective ring cleavage to form 3.

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