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[2-(bis-benzyloxy-phosphoryl)-oxiranyl]-phosphonic acid dibenzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

425620-75-3

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425620-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 425620-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 425620-75:
(8*4)+(7*2)+(6*5)+(5*6)+(4*2)+(3*0)+(2*7)+(1*5)=133
133 % 10 = 3
So 425620-75-3 is a valid CAS Registry Number.

425620-75-3Downstream Products

425620-75-3Relevant academic research and scientific papers

Simple synthesis of oxiranylidene-2,2-bis(phosphonic acid): Tetrabenzyl geminal bisphosphonate esters as useful intermediates

Bulman Page, Philip C.,McKenzie, Michael J.,Gallagher, James A.

, p. 211 - 218 (2007/10/03)

Tetrabenzyl geminal bisphosphonate esters are shown to be useful synthetic equivalents of 1,1-bis(phosphonic acid)s which may be easily functionalized at the central carbon atom without phosphonate ester hydrolysis. The parent bis(phosphonic acid) unit is readily regenerated by hydrogenolysis. The chemistry is used to prepare the elusive epoxide oxiranylidene-2,2-bis(phosphonic acid) by a short and reliable procedure.

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