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1609277-90-8

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1609277-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609277-90-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,2,7 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1609277-90:
(9*1)+(8*6)+(7*0)+(6*9)+(5*2)+(4*7)+(3*7)+(2*9)+(1*0)=188
188 % 10 = 8
So 1609277-90-8 is a valid CAS Registry Number.

1609277-90-8Downstream Products

1609277-90-8Relevant articles and documents

Single-crystal X-ray diffraction and solution studies of anion-π interactions in N-(pentafluorobenzyl)pyridinium salts

Giese, Michael,Albrecht, Markus,Repenko, Tatjana,Sackmann, Johannes,Valkonen, Arto,Rissanen, Kari

, p. 2435 - 2442 (2014/05/06)

A solid-state structural study on anion-π interaction in various N-(pentafluorobenzyl)pyridinium salts accompanied by NMR spectroscopic investigations is presented. The crystal structures of 1a-1d reveal different kinds of contacts with anions, including anion-π interactions. In particular, the solid-state structure of 1b-I3 shows distinct evidence of anion-π interactions. Attempts to study anion-π interactions in solution were not successful, but their presence in solution could not be ruled out. The interactions of N-(pentafluorobenzyl)pyridinium salts are investigated in the solid state as well as in solution. The triiodide salt shows distinct evidence of anion-π interactions with both the pyridinium and the pentafluorophenyl unit. Solution investigations to prove the attractive nature of the noncovalent force failed, but they did not rule out the presence of the interaction. Copyright

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