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19826-89-2

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19826-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19826-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,2 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19826-89:
(7*1)+(6*9)+(5*8)+(4*2)+(3*6)+(2*8)+(1*9)=152
152 % 10 = 2
So 19826-89-2 is a valid CAS Registry Number.

19826-89-2Relevant articles and documents

Straightforward and highly efficient synthesis of α-acetoxy ketones through gold-catalyzed intermolecular oxidation of terminal alkynes

Wu, Chao,Liang, Zhiwu,Yan, Dong,He, Weimin,Xiang, Jiannan

, p. 2605 - 2611 (2013/09/24)

A variety of terminal alkynes were efficiently converted into the corresponding α-acetoxy ketones through gold-catalyzed intermolecular oxidation in the presence of 8-methylquinoline 1-oxide as the oxidant. The reaction probably proceeds through an α-oxo gold carbene intermolecular O-H insertion.

Iodine-mediated α-sulfonyloxylation of alkyl aryl ketones with oxone and sulfonic acids

Kikui, Hiroki,Moriyama, Katsuhiko,Togo, Hideo

, p. 791 - 797 (2013/04/10)

Alkyl aryl ketones are converted into the corresponding α-sulfonyloxyketones, in moderate to excellent yields, via a novel procedure that utilizes Oxone, p-toluenesulfonic acid or methanesulfonic acid and molecular iodine in a mixture of aceton

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