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Toluene-4-sulfonic acid 2-((4S,5R)-5-tert-butoxycarbonylamino-2,2-dimethyl-[1,3]dioxan-4-yl)-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220317-67-9

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220317-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220317-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,1 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220317-67:
(8*2)+(7*2)+(6*0)+(5*3)+(4*1)+(3*7)+(2*6)+(1*7)=89
89 % 10 = 9
So 220317-67-9 is a valid CAS Registry Number.

220317-67-9Relevant academic research and scientific papers

Chromium(II) chloride-mediated coupling reactions of Garner aldehyde with allyl bromides: Facile asymmetric synthesis of (2R,3S)-3-hydroxy-2-hydroxymethylpyrrolidine

Aoyagi, Yutaka,Inaba, Haruko,Hiraiwa, Yukiko,Kuroda, Asako,Ohta, Akihiro

, p. 3975 - 3978 (1998)

Chromium(II) chloride-mediated coupling reactions of 1,1-dimethylethyl (S)- and (R)-4-formyl-2,2-dimethyloxazolidine-3-carboxylates [(S)- and (R)-Garner aldehydes] (1a,b) with allyl bromides 2a-c proceeded with moderate to good stereoselectivity to give t

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