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104953-26-6

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104953-26-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104953-26-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,5 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104953-26:
(8*1)+(7*0)+(6*4)+(5*9)+(4*5)+(3*3)+(2*2)+(1*6)=116
116 % 10 = 6
So 104953-26-6 is a valid CAS Registry Number.

104953-26-6Relevant articles and documents

Cycloaddition of Pyridinium Methylides with Electron-Deficient Olefins and Silica-Gel Mediated Elimination of Pyridines from the Cycloadducts: A New Method of Alkylation or Hydroalkylidenation of Olefins

Tsuge, Otohiko,Kanemasa, Shuji,Takenaka, Shigeori

, p. 1489 - 1496 (2007/10/02)

Pyridinium methylides bearing an anion-stabilizing substituent at the ylide carbon react with a variety of olefins carrying two electron-withdrawing groups at the both carbons such as N-substituted maleimides, a citraconimide, dimethyl maleate, dimethyl f

STEREOSELECTIVE HYDROALKYLIDENATION OF OLEFIN WITH PYRIDINIUM METHYLIDES

Tsuge, Otohiko,Kanemasa, Shuji,Takenaka, Shigeori,Kuraoka, Satoru

, p. 465 - 468 (2007/10/02)

Acid-catalyzed elimination of pyridine from the stereoselective cycloadducts between electron-deficient olefins and pyridinium methylides with ylide-stabilizing substituents offers a new type of C-C bond formation.

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