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(S)-3-Benzyl-4-methanesulfonyl-1-oxa-4-aza-spiro[4.5]decane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220349-85-9

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220349-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220349-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,4 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220349-85:
(8*2)+(7*2)+(6*0)+(5*3)+(4*4)+(3*9)+(2*8)+(1*5)=109
109 % 10 = 9
So 220349-85-9 is a valid CAS Registry Number.

220349-85-9Relevant academic research and scientific papers

Asymmetric Diels-Alder reaction of optically active 3-(3,3,3- trifluoropropenylsulfonyl)oxazolidine: Synthesis of (8R)8-trifluoromethyl-2- oxa-6-thia-5-azatricyclo[5.2.2.01,5]-undecane-6,6-dioxide

Okano, Takashi,Nagai, Tomoyuki,Eguchi, Shoji,Kimoto, Hiroshi

, p. 53 - 56 (2007/10/03)

Asymmetric Diels-Alder reaction of optically active 3-(3,3,3- trifluoropropenylsulfonyl)-1,3-oxazolidine (1) with several dienes gave adducts regio- and stereoselectively in 69 - 78% de. Acetalization of 2- methoxybutadiene adduct with catechol gave tricy

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