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Bis(tetraethylammonium) tetrabromocuprate(II) is a chemical compound with the formula [Et4N]2[CuBr4]. It consists of two tetraethylammonium (Et4N) cations and one tetrabromocuprate(II) anion. The tetrabromocuprate(II) anion features a central copper(II) ion (Cu2+) coordinated to four bromine atoms, forming a square planar geometry. bis(tetraethylammonium) tetrabromocuprate(II) is typically synthesized by reacting copper(II) bromide with tetraethylammonium bromide in an aqueous solution. It is a yellow crystalline solid and is used in various chemical reactions, particularly as a source of tetrabromocuprate(II) anions in the synthesis of other copper-containing compounds.

2041-02-3

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2041-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2041-02-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,4 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2041-02:
(6*2)+(5*0)+(4*4)+(3*1)+(2*0)+(1*2)=33
33 % 10 = 3
So 2041-02-3 is a valid CAS Registry Number.

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