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156670-82-5

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156670-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156670-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,7 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156670-82:
(8*1)+(7*5)+(6*6)+(5*6)+(4*7)+(3*0)+(2*8)+(1*2)=155
155 % 10 = 5
So 156670-82-5 is a valid CAS Registry Number.

156670-82-5Downstream Products

156670-82-5Relevant articles and documents

Synthesis of mer-trichlorotris(tetrahydrofuran)tungsten (III) by intermetal chlorine atom transfer

Kim, Esther,Odom, Aaron L.,Cummins, Christopher C.

, p. 103 - 107 (2008/10/08)

The three-coordinate titanium(III) complex Ti(N[R]Ar)3 (R = C(CD3)2CH3, Ar = 3,5-C6H3Me2) abstracts chlorine from WCl4(DME) (DME = 1,2-dimethoxyethane) in tetrahydrofuran (THF) to give yellow crystalline WCl3(THF)3 in 65% isolated yield. Orange TiCl(N[R]Ar)3, which can be recycled to Ti(N[R]Ar)3 in 73% yield by reduction with sodium amalgam, was recovered in 71% yield. WCl3(THF)3 was characterized by elemental analysis, SQUID magnetic susceptibility measurements, 1H NMR spectroscopy and single crystal X-ray crystallography. WCl3(THF)3 was found to be an octahedral complex possessing a meridional arrangement of ligands, as has been seen for other MCl3(THF)3 complexes (M = Sc, Ti, V, Cr, Mo).

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