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Toluene-4-sulfonic acid (2R,3S,4S)-3,4-bis-methoxymethoxy-tetrahydro-pyran-2-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

850533-20-9

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850533-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850533-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,5,3 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 850533-20:
(8*8)+(7*5)+(6*0)+(5*5)+(4*3)+(3*3)+(2*2)+(1*0)=149
149 % 10 = 9
So 850533-20-9 is a valid CAS Registry Number.

850533-20-9Relevant academic research and scientific papers

Practical synthesis of chiral ligands for catalytic enantioselective cyanosilylation of ketones

Masumoto, Shuji,Yabu, Kazuo,Kanai, Motomu,Shibasaki, Masakatsu

, p. 2919 - 2922 (2007/10/03)

A practical and more environmentally benign synthetic route of chiral ligands that are useful for catalytic enantioselective cyanosilylation of ketones is described. A key step is the regioselective SN2 reaction to cyclic sulfate 12 with catech

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