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2-bromoacetyl-3,5-di-O-benzyl-D-xylo-penta-1,4-lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189556-44-3

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189556-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189556-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,5 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189556-44:
(8*1)+(7*8)+(6*9)+(5*5)+(4*5)+(3*6)+(2*4)+(1*4)=193
193 % 10 = 3
So 189556-44-3 is a valid CAS Registry Number.

189556-44-3Relevant academic research and scientific papers

Synthesis and epimerisation studies on carbohydrate derived bicyclic tetronate esters: The synthesis of furanofurans related to the cytotoxic metabolite goniofufurone

Cagnolini, Cristiano,Ferri, Marina,Jones, Peter R.,Murphy, Patrick J.,Ayres, Barry,Cox, Brian

, p. 4815 - 4820 (2007/10/03)

The synthesis of the D-xylo- 12, D-lyxo- 13, D-ribo- 14 and D-arabino-furanofurans 15 was accomplished from the readily available butyrolactones 4 and 5 via a non-classical Wittig cyclisation/hydrogenation sequence, these compounds are analogues of the cytotoxic natural product goniofufurone.

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