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4,5-Dimethoxy-1,2-bis<2-(chloromethyl)benzyl>benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156642-77-2

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156642-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156642-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,4 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156642-77:
(8*1)+(7*5)+(6*6)+(5*6)+(4*4)+(3*2)+(2*7)+(1*7)=152
152 % 10 = 2
So 156642-77-2 is a valid CAS Registry Number.

156642-77-2Relevant academic research and scientific papers

Orthocyclophanes. 4. Functionalization of n>Ortocyclophanes on the Aromatic Rings

Lee, Woo Young,Park, Chang Hee,Kim, Eun Hee

, p. 4495 - 4500 (2007/10/02)

Functionalization of the n>orthocyclophanes (n>OCPs) has been accomplished by introducing groups on the aromatic rings of the cycles.Dilithiation of dibromoaromatic 10 followed by condensation with various aromatic dialdehydes, such as 14, 20, and 30, gave rise to n>OCP cycles bearing methoxy groups on the aromatic rings.Several polymethoxyn1>OCPs have been prepared that are reasonably soluble in organic solvents, in contrast to their parent hydrocarbons.Since methoxy functions can be converted to phenolic hydroxy groups and then to other functionalities, the methoxy derivatives may have broad applications to the modification of n>OCPs for the preparation of a variety of supramolecules.

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