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(+/-)-1R*,2R*-2,2'-(1,2-diphenyl-1,2-ethanedioxy)-diethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98769-52-9

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98769-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98769-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98769-52:
(7*9)+(6*8)+(5*7)+(4*6)+(3*9)+(2*5)+(1*2)=209
209 % 10 = 9
So 98769-52-9 is a valid CAS Registry Number.

98769-52-9Relevant academic research and scientific papers

SYNTHESIS OF (-)-2S,3S,11S,12R-2,3,11,12-TETRAPHENYLCROWN-6

Dietl, Ferdinand,Haunschild, Jutta,Merz, Andreas

, p. 1193 - 1198 (1985)

The synthesis of (-) 2S,3S,11S,12R-2,3,11,12-tetraphenyl-crown-6 from (-)-1S,2S-hydrobenzoin and meso-hydrobenzoin is described.Chemical shifts and vicinal coupling constants of the benzylic protons in the 2S,3S and 11S,12R substructures in the free ligands and in complexes with KSCN and 1-phenylethylammonium bromides and a brief discussion of the related conformational changes are also presented.A detailed procedure for the resolution of racemic hydrobenzoin is given.

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