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118331-69-4

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118331-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118331-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,3,3 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 118331-69:
(8*1)+(7*1)+(6*8)+(5*3)+(4*3)+(3*1)+(2*6)+(1*9)=114
114 % 10 = 4
So 118331-69-4 is a valid CAS Registry Number.

118331-69-4Relevant articles and documents

Novel Iminoboranes and their Reactions

Bonn, Karl-Heinz van,Bennigsen-Mackiewicz, Theo von,Kiesgen, Jutta,Plotho, Christoph von,Paetzold, Peter

, p. 61 - 68 (2007/10/02)

The iminoboranes RBNR', 2a-f, are formed by the elimination of Me3SiHal from the corresponding aminoboranes 1a-f.Stabilization occurs either through cyclodimerisation (-->3b-d,f), cyclotrimerisation (-->4e), bicyclotrimerisation (-->5b) or cyclotetramerisation (-->6a).Trialkylboranes BX3 are added to give the diboryl amines RXBN(R')BX2, 7a-f.The Δ2-tetraazaborolines (R)B(R')N-N=N-N(X')>, 8a-f, are the (3-2)-cycloaddition products from 2a-f and azides X'N3.A CH-bond of cyclopentadiene adds to one BN bonds of 2f, giving a mixture of the corresponding 1,3- and 1,4-cyclopentadienyl boranes, 9f, 9'f. - Keywords: Iminoboranes, Cyclodimers, Cyclotrimers, Cyclotetramers

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