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33919-05-0

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33919-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33919-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,1 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33919-05:
(7*3)+(6*3)+(5*9)+(4*1)+(3*9)+(2*0)+(1*5)=120
120 % 10 = 0
So 33919-05-0 is a valid CAS Registry Number.

33919-05-0Relevant articles and documents

Catalytic oxidation of a trialkyl-substituted phenol and aniline with biomimetic schiff base complexes

Knaudt, Jutta,Foerster, Stefan,Bartsch, Ulrich,Rieker, Anton,Jaeger, Ernst-G.

, p. 86 - 93 (2007/10/03)

The catalytic oxidation of 2,4,6-tri-tert-butylphenol and 2,4,6-tri-tert-butylaniline with molecular oxygen and tert-butylhydroperoxide was investigated using biomimetic Mn-, Fe- and Co-complexes as catalysts. The catalytic activity and product distribution were determined and compared with those observed in the reactions of the well-known Co(salen) complex.

PHOTOINDUCED ELECTRON TRANSFER OXIDATION - 1. 9,10-DICYANOANTHRACENE-SENSITIZED PHOTOOXIDATION OF HINDERED PHENOLS.

Futamura,Yamazaki,Ohta,Kamiya

, p. 3852 - 3855 (2007/10/02)

9,10-Dicyanoanthracene (DCA)-sensitized photooxidation reactions of hindered phenols and catechols (I) proceed via the initial electron transfer from 1 to **1DCA. 4-Hydroperoxy-2,5-cyclohexadien-1-ones and 4-hydroxy-2,5-cyclohexadien-1-ones are obtained from 2,4,6-trialkyl-substituted phenols, and an o-benzoquinone and furanone derivatives are afforded from 3,5-di-t-butylcatechol.

OXYGENATION OF 2,6-DI-t-BUTYLPHENOLS WITH SUPEROXO Co(lll) COMPLEXES

Nishinaga, A.,Tomita, H.,Matsuura, T.

, p. 2833 - 2836 (2007/10/02)

Superoxo Co(lll) complexes, *3 where X= Et3N(+) and (Ph3P)2N(+), mediate the dioxygen incorporation into 2,6-di-t-butylphenols (1) with the same regioselectivity as that in the base-catalyzed oxygenation of 1.The superoxo species acts as a base but is not incorporated into the substrate.

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