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105235-57-2

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105235-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105235-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,3 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105235-57:
(8*1)+(7*0)+(6*5)+(5*2)+(4*3)+(3*5)+(2*5)+(1*7)=92
92 % 10 = 2
So 105235-57-2 is a valid CAS Registry Number.

105235-57-2Relevant articles and documents

The synthesis of ethenyl bifunctional reagents containing a sulfone moiety and zirconium by the abnormal addition of Cp2Zr(H)Cl to internal acetylenic sulfones

Huang, Xian,Duan, De-Hui

, p. 1741 - 1742 (2007/10/03)

Ethenyl bifunctional reagents containing a sulfone moiety and zirconium are prepared by the abnormal addition of Cp2Zr(H)Cl to internal acetylenic sulfones.

Regio- and Stereoselective Synthesis of (E)- and (Z)-Vinylic Sulfones and Their Conversion to the Corresponding Allylic Sulfones

Kobayashi, Toshifumi,Tanaka, Yuhji,Ohtani, Takashi,Kinoshita, Hideki,Inomata, Katsuhiko,Kotake, Hiroshi

, p. 1209 - 1212 (2007/10/02)

(E)- and (Z)-vinilyc sulfones were prepared regio- and stereoselectively from 1-alkenes or 1-alkynes in high yields via iodosulfonization in AcOEt-H2O.The vinylic sulfones thus prepared were converted to the corresponding allylic sulfones by treatment wit

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