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91331-56-5

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91331-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91331-56-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,3 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91331-56:
(7*9)+(6*1)+(5*3)+(4*3)+(3*1)+(2*5)+(1*6)=115
115 % 10 = 5
So 91331-56-5 is a valid CAS Registry Number.

91331-56-5Relevant articles and documents

Nickel-Catalyzed Thiolation and Selenylation of Cycloketone Oxime Esters with Thiosulfonate or Seleniumsulfonate

Li, Jian,Wang, Shun-Yi,Ji, Shun-Jun

, p. 16147 - 16156 (2019)

A nickel-catalyzed ring opening and, subsequently, reductive cross-coupling of cycloketone oxime esters with thiosulfonate or seleniumsulfonate are reported, which involves C-C bond cleavage and C(sp3)-S or C(sp3)-Se bond formation. Notably, S-aryl/alkyl sulfonothioates and Se-alkyl seleniumsulfonothioates could be employed in this reaction to afford a variety of 1° and 2° alkyl sulfides, aryl sulfides, and 1° and 2° alkyl selenides in one step. This strategy features easily available substrates and mild reaction conditions.

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