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109289-49-8

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109289-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109289-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109289-49:
(8*1)+(7*0)+(6*9)+(5*2)+(4*8)+(3*9)+(2*4)+(1*9)=148
148 % 10 = 8
So 109289-49-8 is a valid CAS Registry Number.

109289-49-8Downstream Products

109289-49-8Relevant articles and documents

FUNCTIONALISATION OF SATURATED HYDROCARBONS. Part X. A COMPARATIVE STUDY OF CHEMICAL AND ELECTROCHEMICAL PROCESSES (GIF AND GIF-ORSAY SYSTEMS) IN PYRIDINE, IN ACETONE AND IN PYRIDINE-CO-SOLVENT MIXTURES

Belavoine, Gilbert,Barton, Derek H. R.,Boivin, Jean,Gref, Aurore,Coupanec, Pascale Le,et al.

, p. 1091 - 1106 (1988)

Six saturated hydrocarbons (cyclohexane, 3-ethylpentane, methylcyclopentane, cis- and trans-decalin and adamantane) were oxidised by the Gif system (iron catalyst, oxygen, zinc, carboxylic acid) and its electrochemical equivalent (Gif-Orsay system).Results obtained using various solvents (pyridine, acetone, pyridine-acetone mixtures) were similar for both systems.Total or partial replacement of pyridine with acetone affects the selectivity for secondary positions and lowers the ketone/secondary alcohol ratio.The formation of the same ratio of cis- and trans-decal-9-ol from both cis- and trans-decalin clearly demonstrates that tertiary alcohols result from a mechanism essentially radical in nature.

ON THE MECHANISM OF THE GIF SYSTEM FOR THE OXIDATION OF SATURATED HYDROCARBONS

Barton, Derek H. R.,Boivin, Jean,Ozbalik, Nubar,Schwartzentruber, Kathy M.,Jankowski, Krzysztof

, p. 447 - 450 (2007/10/02)

The high selectivity of the Gif system for hydrocarbon oxidation is shown to depend upon the capture of tert. radicals by pyridine; the mechanism for the secondary oxidation products has only a minor radical component as judged by competitive trapping.

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