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859844-16-9

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859844-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859844-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,8,4 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 859844-16:
(8*8)+(7*5)+(6*9)+(5*8)+(4*4)+(3*4)+(2*1)+(1*6)=229
229 % 10 = 9
So 859844-16-9 is a valid CAS Registry Number.

859844-16-9Relevant articles and documents

Synthesis of mono- and dihydroxylated furanoses, pyranoses, and an oxepanose for the preparation of natural product analogue libraries

Yu, Xiao Ming,Han, Huijong,Blagg, Brian S. J.

, p. 5599 - 5605 (2007/10/03)

Numerous biologically active natural products contain furanoses and pyranoses with mono- and dihydroxylated substituents. However, much of the structure-activity studies on such molecules is gathered on the aglycons without attention to the corresponding carbohydrate components. Consequently, there are few synthetic procedures that enable the rapid preparation of mono- and dihydroxyfuranoses and mono- and dihydroxypyranoses and no report for a 3,4-dihydroxyoxepanose. In this article we report the practical synthesis of orthogonally protected five-, six-, and seven-membered carbohydrate derivatives. The succinct manner in which these molecules were synthesized allows the rapid preparation of analogues aimed at discovering the role of ring size and individual hydroxyl moieties on the pyranose skeleton.

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