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109589-02-8

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109589-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109589-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,8 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109589-02:
(8*1)+(7*0)+(6*9)+(5*5)+(4*8)+(3*9)+(2*0)+(1*2)=148
148 % 10 = 8
So 109589-02-8 is a valid CAS Registry Number.

109589-02-8Relevant articles and documents

Cu-Mediated arylselenylation of aryl halides with trifluoromethyl aryl selenonium ylides

Wu, Shuai,Shi, Jin,Zhang, Cheng-Pan

, p. 7468 - 7473 (2019)

An unprecedented arylselenylation of aryl halides with trifluoromethyl aryl selenonium ylides in the presence of copper is described. The reaction proceeded at 100-140 °C under ligand- and additive-free conditions for 3-20 h to form a variety of unsymmetrical diaryl selenides in good to high yields. Arylselenylation is easy to operate, has good functional group tolerance, and demonstrates the different reaction profiles of trifluoromethyl aryl selenonium ylides from the homologous trifluoromethyl aryl sulfonium ylides.

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