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841303-89-7

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841303-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 841303-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,1,3,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 841303-89:
(8*8)+(7*4)+(6*1)+(5*3)+(4*0)+(3*3)+(2*8)+(1*9)=147
147 % 10 = 7
So 841303-89-7 is a valid CAS Registry Number.

841303-89-7Downstream Products

841303-89-7Relevant articles and documents

Deprotonated diindolylmethanes as dianionic analogues of scorpionate bis(pyrazolyl)borate ligands: Synthesis and structural characterization of representative titanocene and zirconocene complexes

Mason, Mark R.,Ogrin, Doug,Fneich, Bassam,Barnard, Thomas S.,Kirschbaum, Kristin

, p. 157 - 162 (2007/10/03)

Deprotonation of di(3-methylindol-2-yl)phenylmethane (L2H 2) or 2-methoxyphenyldi(3-methylindol-2-yl)methane(L2′H2) with two equivalents of nBuLi, followed by reactions with Cp 2TiCl2 or Cp2ZrCl2 yielded complexes Cp2TiL2(1),Cp2TiL2′(2),Cp2ZrL2(3)andCp2ZrL2′(4). Compounds 1-4 were characterized by NMR spectroscopy, and compounds 1, 3, and 4 were further analyzed by X-ray crystallography and elemental analysis. The molecular structures of 1, 3, and 4 illustrate that chelating di(3-methylindol-2-yl) methanes have a structural relationship to coordinated bis(pyrazolyl)borates.

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