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73675-89-5

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73675-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73675-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,7 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73675-89:
(7*7)+(6*3)+(5*6)+(4*7)+(3*5)+(2*8)+(1*9)=165
165 % 10 = 5
So 73675-89-5 is a valid CAS Registry Number.

73675-89-5Downstream Products

73675-89-5Relevant articles and documents

Sulfur Heterocycles. 3. Heterogeneous, Phase-Transfer, and Acid-Catalyzed Potassium Permanganate Oxidation of Sulfides to Sulfones and a Survey of their Carbon-13 Nuclear Magnetic Resonance Spectra

Gokel, George W.,Gerdes, Harold M.,Dishong, Dennis M.

, p. 3634 - 3639 (2007/10/02)

Although numerous oxidation methods are available for the transformation of sulfides into sulfones, low-molecular-weight, heterocyclic sulfides are often not amenable to this oxidation techniques.The method presented here is a general and economical oxidation using potassium permanganate and various catalysts.Nineteen low-molecular-weight and heterocyclic sulfides were successfully oxidized by variations of this technique, and the results are presented here.In addition, the carbon-13 NMR spectra of these compounds and about two dozen others are reported.General chemical shift trends are reported for selected compounds, and details can be found in the supplementary material.

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