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2,2'-bis-[(2,4,6-tri-tert-butyl-phenylphosphanyl)-ethynyl]-biphenyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

841244-87-9

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841244-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 841244-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,1,2,4 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 841244-87:
(8*8)+(7*4)+(6*1)+(5*2)+(4*4)+(3*4)+(2*8)+(1*7)=159
159 % 10 = 9
So 841244-87-9 is a valid CAS Registry Number.

841244-87-9Relevant academic research and scientific papers

Preparation and properties of 1,2-bis[(2,4,6-tri-t-butylphenyl) phosphinidene]cyclobuta[l]phenanthrene

Nakamura, Akitake,Kawasaki, Subaru,Toyota, Kozo,Yoshifuji, Masaaki

, p. 1570 - 1571 (2007/10/03)

Sterically protected 1,2-bis[(2,4,6-tri-t-butylphenyl)phosphinidene] cyclobuta[l]phenanthrene (4) and its group(6) and group(10) transition metal complexes were prepared. X-ray crystallographic analysis of 4 revealed a planar structure of the diphosphinidenecyclobuta[l]phenanthrene moiety. Copyright

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