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2,5-di(phenylethynyl)-1,4-benzoquinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78889-44-8

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78889-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78889-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78889-44:
(7*7)+(6*8)+(5*8)+(4*8)+(3*9)+(2*4)+(1*4)=208
208 % 10 = 8
So 78889-44-8 is a valid CAS Registry Number.

78889-44-8Downstream Products

78889-44-8Relevant academic research and scientific papers

Substitution of acetylenic groups for halogen in the quinonoid ring

Romanov,Ivanchikova,Moroz,Shvartsberg

, p. 1686 - 1689 (2007/10/03)

The bromine or iodine atom in the quinonoid ring devoid of+M substituent in the position neighboring to the halogen is replaced by acetylenic groups on treatment with CuI acetylides, prepared either beforehand or in situ, in a mixture of DMSO a

Accoutrements of a molecular computer: Switches, memory components and alligator clips

Dirk, Shawn M.,Price Jr., David W.,Chanteau, Stephanie,Kosynkin, Dmitry V.,Tour, James M.

, p. 5109 - 5121 (2007/10/03)

Several second generation memory components consisting of oligo(phenylene ethynylene)s containing easily reducible functionalities consisting of either nitro or quinone cores have been synthesized for incorporation into molecular electronic devices. Addit

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