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115695-91-5

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115695-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115695-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,6,9 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 115695-91:
(8*1)+(7*1)+(6*5)+(5*6)+(4*9)+(3*5)+(2*9)+(1*1)=145
145 % 10 = 5
So 115695-91-5 is a valid CAS Registry Number.

115695-91-5Downstream Products

115695-91-5Relevant articles and documents

TETRAHALOBENZENES AS DI-ARYNE EQUIVALENTS IN POLYCYCLIC ARENE SYNTHESIS

Hart, Harold,Lai, Chung-yin,Nwokogu, Godson Chukuemaka,Shamouilian, Shamouil

, p. 5203 - 5224 (2007/10/02)

1,2,4,5-Tetrabromobenzenes and analogous naphthalenes react with one or two equivalents of n-butyllithium and various dienes (furans, pyroles, cyclopentadienes, fulvenes) to form mono- or bis-cycloadducts.Highly substituted arenes can be obtained by removing the oxygen or nitrogen bridges from the furan or pyrrole adducts.By choice of conditions, two identical or two different rings can be fused to the di-aryne equivalent.Improved short syntheses of permethylnaphthalene, -anthracene and -naphthacene are described.A new triphenylene synthesis is presented.

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