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1272029-49-8

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1272029-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272029-49-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,0,2 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1272029-49:
(9*1)+(8*2)+(7*7)+(6*2)+(5*0)+(4*2)+(3*9)+(2*4)+(1*9)=138
138 % 10 = 8
So 1272029-49-8 is a valid CAS Registry Number.

1272029-49-8Relevant articles and documents

Oxidatively resistant ligands for palladium-catalyzed aerobic alcohol oxidation

Pearson, David M.,Conley, Nicholas R.,Waymouth, Robert M.

experimental part, p. 1445 - 1453 (2011/04/23)

The complex [(neocuproine)Pd(OAc)]2[OTf]2 (1) catalyzes the aerobic oxidation of 2-heptanol at room temperature, but competitive ligand oxidation leads to low catalyst lifetimes. In an effort to mitigate the oxidative degradation of the ligand, a variety of Pd complexes ligated by fluorinated phenanthrolines (bis-2,9-(trifluoromethyl)-1,10- phenanthroline (btfm-phen), 4-methyl-2-(trifluoromethyl)-1,10-phenanthroline (tfmm-phen), and 2-(o-difluorophenyl)-1,10-phenanthroline (odfp-phen)) were prepared and tested. Active catalyst precursors were generated by in situ conproportionation of (N-N)Pd(OAc)2 and [(N-N)Pd(NCCH 3)2[OTf]2. Pd complexes derived from tfmm-phen catalyzed the aerobic oxidation of 2-heptanol at room temperature with up to 22 turnovers, nearly double that of 1.

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