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5-chloro-1,2,3,4,5-pentaphenylcyclopentadiene is a complex organic compound characterized by a cyclopentadiene ring with five phenyl groups attached to each carbon atom and a chlorine atom at the 5-position. This molecule is notable for its highly conjugated system, which extends across the entire structure, and its potential applications in the synthesis of various organic compounds and materials. The presence of the chlorine atom at the 5-position introduces a reactive site that can be further functionalized, making it a valuable intermediate in organic synthesis. The compound's unique structure and properties make it a subject of interest in chemical research and development, particularly in the areas of materials science and pharmaceuticals.

5724-11-8

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5724-11-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5724-11-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,2 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5724-11:
(6*5)+(5*7)+(4*2)+(3*4)+(2*1)+(1*1)=88
88 % 10 = 8
So 5724-11-8 is a valid CAS Registry Number.

5724-11-8Relevant articles and documents

?-Bonding to tetravalent main-group IV elements; an experimental effort

Janiak, Christoph,Schwichtenberg, Michael,Hahn, F. Ekkehardt

, p. 37 - 46 (2007/10/02)

Ph5C5GeCl3 (1) and Ph5C5SnCl3 (2) have been synthesized by oxidative addition of Ph5C5Cl to GeCl2 or SnCl2, respectively, and were characterized by 13C NMR and mass spectroscopy.Both compounds are fluxional in solution.The crystal structure of 1*0.5Et2O h

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