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15733-09-2

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15733-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15733-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,3 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15733-09:
(7*1)+(6*5)+(5*7)+(4*3)+(3*3)+(2*0)+(1*9)=102
102 % 10 = 2
So 15733-09-2 is a valid CAS Registry Number.

15733-09-2Downstream Products

15733-09-2Relevant articles and documents

Methanesulfinylation of Benzyl Halides with Dimethyl Sulfoxide

Fu, Duo,Dong, Jun,Du, Hongguang,Xu, Jiaxi

, p. 2752 - 2758 (2020/01/31)

A phenyltrimethylammonium tribromide-mediated nucleophilic substitution/oxygen transformation reaction of benzyl halides with DMSO has been developed. In this transition-metal-free reaction, DMSO acts as not only a solvent but also a "S(O)Me" source, thus providing a convenient method for the efficient and direct synthesis of various benzyl methyl sulfoxides.

An Efficient Asymmetric Oxidation of Sulfides to Sulfoxides

Pitchen, P.,Dunach, E.,Deshmukh, M. N.,Kagan, H. B.

, p. 8188 - 8193 (2007/10/02)

The Sharpless reagent for asymmetric epoxidation was modified by addition of 1 mol equiv of H2O to give a new homogenous reagent (Ti(O-i-Pr)4/diethyl tartrate/H2O/t-BuOOH = 1:2:1:1).This reagent cleanly oxidizes prochiral functionalized sulfides into optically active sulfoxides.The observed ee mainly ranged between 75 and 90percent for alkyl aryl sulfoxides and 50-71percent for dialkyl sulfoxides.A strong temperature dependence on ee was also observed in the asymmetric oxidation of methyl p-tolyl sulfoxide.

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