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934021-90-6

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934021-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934021-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,0,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 934021-90:
(8*9)+(7*3)+(6*4)+(5*0)+(4*2)+(3*1)+(2*9)+(1*0)=146
146 % 10 = 6
So 934021-90-6 is a valid CAS Registry Number.

934021-90-6Downstream Products

934021-90-6Relevant articles and documents

De novo approach to 2-deoxy-β-glycosides: Asymmetric syntheses of digoxose and digitoxin

Zhou, Maoquan,O'Doherty, George A.

, p. 2485 - 2493 (2008/02/02)

A highly enantioselective and straightforward route to trisaccharide natural products digoxose and digitoxin has been developed. Key to this approach is the iterative application of the palladium-catalyzed glycosylation reaction, reductive 1,3-transposition, diastereoselective dihydroxylation, and regioselective protection. The first total synthesis of natural product digoxose was accomplished in 19 total steps from achiral 2-acylfuran, and digitoxin was fashioned in 15 steps starting from digitoxigenin 2 and pyranone 8β. This flexible synthetic strategy also allows for the preparation of mono- and disaccharide analogues of digoxose and digitoxin.

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