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67501-09-1

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67501-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67501-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,0 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67501-09:
(7*6)+(6*7)+(5*5)+(4*0)+(3*1)+(2*0)+(1*9)=121
121 % 10 = 1
So 67501-09-1 is a valid CAS Registry Number.

67501-09-1Relevant articles and documents

Selective and efficient oxidation of sulfides and thiols with benzyltriphenylphosphonium peroxymonosulfate in aprotic solvent

Hajipour, Abdol R.,Mallakpour, Shadpour E.,Adibi, Hadi

, p. 8666 - 8668 (2002)

Benzyltriphenylphosphonium peroxymonosulfate could be used for selective oxidation of aromatic and aliphatic sulfides and thiols to their corresponding sulfoxides and disulfides under nonaqueous and aprotic conditions without catalyst.

Sulfonated condensed polynuclear aromatic (S-COPNA)) resin catalyzed selective oxidation of sulfides to sulfoxides or sulfones using hydrogen peroxide

Shokrolahi, Arash,Zali, Abbas

experimental part, p. 454 - 460 (2012/04/17)

Sulfonated condensed polynuclear aromatic (S-COPNA) resin was found to be a highly efficient, environmentally friendly, recyclable heterogeneous catalyst for the oxidation of alkyl and aryl sulfides to the corresponding sulfoxides or sulfones, in good yields under mild reaction conditions using 30% hydrogen peroxide as an oxidant. Supplemental materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and the Related Elements for the following free supplemental resource: Synthesis of the S-COPNA resin catalyst. Spectroscopic data for compounds.

Metal-free chemoselective oxidation of sulfides to sulfoxides by hydrogen peroxide catalyzed by in situ generated dodecyl hydrogen sulfate in the absence of organic co-solvents

Firouzabadi,Iranpoor,Jafari,Riazymontazer

, p. 434 - 438 (2007/10/03)

The mild oxidation of sulfides to sulfoxides with an aqueous solution of H2O2 (35%) catalyzed by in situ generated dodecyl hydrogen sulfate as Bronsted acid surfactant in the absence of any organic cosolvents and under metal-free con

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