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75678-86-3

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75678-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75678-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,7 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75678-86:
(7*7)+(6*5)+(5*6)+(4*7)+(3*8)+(2*8)+(1*6)=183
183 % 10 = 3
So 75678-86-3 is a valid CAS Registry Number.

75678-86-3Downstream Products

75678-86-3Relevant articles and documents

THE REACTIONS OF CHOLESTERYL ACETATE WITH VARIOUS HYDROPEROXIDES IN THE PRESENCE OF TRIS(ACETYLACETONATO)IRON (III) AND HEXACARBONYLMOLYBDENUM

Kimura, Michiya,Muto, Toshiki

, p. 1836 - 1841 (2007/10/02)

Epoxidation and allylic oxidation of cholesteryl acetate were studied using hydroperoxide (ROOH: R = H, ethyl, iso-propyl, tert-butyl, or cumyl) and a metal complex in benzene or acetonitrile.In the presence of the iron catalyst, formation of the epimeric C(5,6)-epoxides predominated in the reactions with H2O2, while allylic oxidation giving C(7)-ketone, epimeric C(7)-alcohols and C(7)-alkyl peroxides was favored in the reactions with alkyl hydroperoxide, regardless of the polarity of the solvent.The stereoselective β-epoxidation was independent of the structure of ROOH, but the ratio of allylic oxidation to epoxidation was dependent on it.When the iron catalyst was replaced by the molybdenum catalyst, β-epoxidation decreased and solvent effects on the reaction were sufficiently mareked to exclude allylic oxidation in the non-polar medium. - Keywords - alkyl-hydroperoxide; allylic oxidation; cholesterol; epoxide; ferric acetylacetonate; hydrogen peroxide; molybdenum hexacarbonyl; solvent effects; stereoselective epoxidation

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