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C9H9Cl2F3Se is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156091-20-2

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156091-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156091-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,0,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156091-20:
(8*1)+(7*5)+(6*6)+(5*0)+(4*9)+(3*1)+(2*2)+(1*0)=122
122 % 10 = 2
So 156091-20-2 is a valid CAS Registry Number.

156091-20-2Downstream Products

156091-20-2Relevant articles and documents

2,2,2-Trifluoroethyl aryl selenides: ArSeCH2CF3 (Ar = C6H5, p-CH3C6H4) and their derivatives ArSe(O)CH2CF3 and ArSe(X)2CH2CF3 (X = Cl, Br, OOCCF3)

Khajuria, R.,Bhasin, K. K.,Verma, R. D.

, p. 61 - 66 (2007/10/02)

The title selenides were prepared in good yield by reacting the appropriate aryl selenolate anions with 2,2,2-trifluoroethyltosylate in refluxing tetrahydrofuran.These unsymmetrical bivalent selenides can be oxidised to the corresponding compounds of tetravalent selenium, ArSe(X)2CH2CF3 (X=Cl and Br) with elemental chlorine and bromine.The latter, upon basic hydrolysis, gave the selenoxides, ArSe(O)CH2CF3.Selenoxides have also been formed by direct reaction of the selenides with hydrogen peroxide.Upon reaction with trifluoroacetic anhydride, these gave trifluoroacetate derivatives, ArSe(OOCCF3)2CH2CF3, in quantitative yield.The compounds have been characterized via elemental analysis, infrared spectra, 1H and 19F NMR spectra, and mass spectra.

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