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1222840-20-1

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1222840-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1222840-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,2,8,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1222840-20:
(9*1)+(8*2)+(7*2)+(6*2)+(5*8)+(4*4)+(3*0)+(2*2)+(1*0)=111
111 % 10 = 1
So 1222840-20-1 is a valid CAS Registry Number.

1222840-20-1Downstream Products

1222840-20-1Relevant articles and documents

Cofacial dicobalt complex of a binucleating hexacarboxamide cryptand ligand

Alliger, Glen E.,Mueller, Peter,Cummins, Christopher C.,Nocera, Daniel G.

, p. 3697 - 3699 (2010)

A hexacarboxamide cryptand featuring appended polyether moieties is used as a binucleating ligand for two CoII centers, marking the first time cryptands have been used as hexaanionic N donors for metal coordination. A synthesis for the hexacarboxamide cryptand, culminating in a 23% yield high-dilution step and proceeding in 8% overall yield, is reported. The ligand is metalated using cobalt(II) acetate, and a solid-state structure is presented, revealing an intermetallic void over 6.4 A in length. The reactivity of this new type of cryptate is also probed; treatment of the dicobalt cryptate with potassium cyanide at elevated temperature results in a bridging cyanide complex.

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