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(2R,3S,4R,5R)-5-benzenesulfonyl-4,5-epoxy-2,3-isopropylidenedioxy-pentan-1-yl tosylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

631899-82-6

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631899-82-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 631899-82-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,1,8,9 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 631899-82:
(8*6)+(7*3)+(6*1)+(5*8)+(4*9)+(3*9)+(2*8)+(1*2)=196
196 % 10 = 6
So 631899-82-6 is a valid CAS Registry Number.

631899-82-6Relevant academic research and scientific papers

Chemistry of Epoxysulfones: Straightforward Synthesis of Versatile Chiral Building Blocks

Diez, David,Beneitez, M. Templo,Marcos, Isidro S.,Garrido,Basabe,Sanz,Broughton, Howard B.,Urones, Julio G.

, p. 4361 - 4364 (2003)

(Equation presented) Several chiral building blocks have been obtained easily in large quantities from an epoxysulfone (9) that could be obtained in both enantiomeric forms from accessible starting materials.

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