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Tri-O-benzoyl-2-bromo-2-deoxy-D-xylopyranose is a complex organic compound with the molecular formula C23H21BrO7. It is a derivative of D-xylopyranose, a monosaccharide sugar, where the hydroxyl groups at the 3, 4, and 6 positions are esterified with benzoyl groups, and the 2-position is substituted with a bromo group. tri-O-benzoyl-2-bromo-2-deoxy-D-xylopyranose is often used in organic synthesis, particularly in the preparation of various glycosides and other complex carbohydrates. Its structure provides a protected form of the sugar, which can be useful in chemical reactions where the hydroxyl groups need to be temporarily blocked to prevent unwanted side reactions. The presence of the bromo group at the 2-position also makes it a potential precursor for further functionalization or as a building block in the synthesis of more complex molecules.

50270-80-9

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50270-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50270-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,2,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50270-80:
(7*5)+(6*0)+(5*2)+(4*7)+(3*0)+(2*8)+(1*0)=89
89 % 10 = 9
So 50270-80-9 is a valid CAS Registry Number.

50270-80-9Relevant academic research and scientific papers

THE PREPARATION OF SOME BROMODEOXY- AND DIBROMODIDEOXY-PENTONOLACTONES

Bock, Klaus,Lundt, Inge,Pedersen, Christian

, p. 17 - 26 (2007/10/02)

Brief reaction of D-lyxono-1,4-lactone (1) with hydrogen bromide in acetic acid (HBA) yields 2-bromo-2-deoxy-D-xylono-1,4-lactone (2), and a similar treatment of D-ribono-1,4-lactone (8) gives 2-bromo-2-deoxy-D-arabinono-1,4-lactone (12).On longer reactio

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