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5,6,9,10,14b,14c-Hexahydro-7,8-diphenyldibenzocyclobuta<1,2-a:4,3-a'>dicyclohepten is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

135042-40-9

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135042-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135042-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,0,4 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135042-40:
(8*1)+(7*3)+(6*5)+(5*0)+(4*4)+(3*2)+(2*4)+(1*0)=89
89 % 10 = 9
So 135042-40-9 is a valid CAS Registry Number.

135042-40-9Relevant academic research and scientific papers

Cycloallenes, 7 - A Seven-Membered-Ring Allene Dimer: Preparation from a 7,7-Dibromonorcarane Derivative and Thermolysis

Jelinek-Fink, Hans,Christl, Manfred,Peters, Eva-Maria,Peters, Karl,Schnering, Hans Georg von

, p. 2569 - 2576 (2007/10/02)

Prepared by addition of dibromocarbene to 1,2-dihydro-3-phenylnaphthalene, the 7,7-dibromonorcarane derivative 6 gave the tetra- and pentacyclic hydrocarbons 7 and 8, respectively, on treatment with n-butyllithium.The formation of 8 is considered to proce

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