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70547-85-2

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70547-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70547-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,4 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 70547-85:
(7*7)+(6*0)+(5*5)+(4*4)+(3*7)+(2*8)+(1*5)=132
132 % 10 = 2
So 70547-85-2 is a valid CAS Registry Number.

70547-85-2Downstream Products

70547-85-2Relevant articles and documents

Comparison of the regiochemical behavior of zirconium and hafnium in the polyinsertion of styrenes

Galdi, Nunzia,Izzo, Lorella,Oliva, Leone

experimental part, p. 4434 - 4439 (2011/01/07)

The hafnocene-based catalyst ethylenebis(1-indenyl)hafnium dichloride/methylalumoxane, as well as its zirconium analogue, is able to oligomerize styrene, p-methylstyrene, and p-tert-butylstyrene in the presence of hydrogen to produce hydrooligomers. The c

CYCLOCONDENSATION OF 3(2H)-BENZOTHIOPHENONE AND OXIDATION PRODUCTS OBTAINED DURING THESE REACTIONS

Bergman, Jan,Egestad, Boerje

, p. 763 - 774 (2007/10/02)

The cyclocondensation of 3(2H)-benzothiophenone under acidic conditions has been studied.The symmetrical cyclotrimer tris(benzothieno)benzene was formed and under certain conditions also a rearranged cyclotrimer, tris(benzothieno)benzene.The formation of cyclotrimers was accompanied by oxidative coupling products involving the initially formed dimeric compound, 3-hydroxy-2,3-bibenzothienyl.During several of these reactions, a novel heterocycle, tris(benzothieno)oxepin, was formed.The products were studied by mass spectrometry and fragmentation pathways were determined by a linked scanning technique.

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