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131457-61-9

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131457-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131457-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,5 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131457-61:
(8*1)+(7*3)+(6*1)+(5*4)+(4*5)+(3*7)+(2*6)+(1*1)=109
109 % 10 = 9
So 131457-61-9 is a valid CAS Registry Number.

131457-61-9Downstream Products

131457-61-9Relevant articles and documents

Diadamantylsilylene and its stereochemistry of addition

Pae, Dong Ho,Xiao, Manchao,Chiang, Michael Y.,Gaspar, Peter P.

, p. 1281 - 1288 (2007/10/02)

Lithium-induced dehalogenation assisted by ultrasonic irradiation of diadamantyldiiodosilane in the presence of olefins and alkynes leads to high yields of 1,1 -diadamantylsiliranes and 1,1 -diadamantylsilirenes, respectively. The siliranes are precursors for the efficient thermal and photochemical generation of diadamantylsilylene (Ad2Si:). The addition of thermally generated Ad2Si: to cis- and trans-2-butene and -3-hexene is totally stereospecific, implying reaction from a singlet electronic state of the silylene. Photoisomerization of cis- and trans-1,1 -diadamantylsiliranes complicates the study of the stereochemistry of addition of photogenic Ad2Si:, but again a high degree of stereospecificity is observed.

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