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

1189561-87-2

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1189561-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1189561-87-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,5,6 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1189561-87:
(9*1)+(8*1)+(7*8)+(6*9)+(5*5)+(4*6)+(3*1)+(2*8)+(1*7)=202
202 % 10 = 2
So 1189561-87-2 is a valid CAS Registry Number.

1189561-87-2Relevant academic research and scientific papers

Efficient synthesis and characterization of dibenzo[a,m]rubicenes and tetrabenzo-[a,f,r,m]rubicenes

Hseuh, Hung-Hung,Hsu, Ming-Yu,Wu, Tien-Lin,Liu, Rai-Shung

experimental part, p. 8448 - 8451 (2010/01/16)

(Chemical Equation Presented) We report an efficient synthesis of dibenzo[a,m]rubicenes and tetrabenzo[a,f,r,m]rubicenes involving ICl-mediated benzannulation of 1,4-diphenyl-2,5-dialkynylbenzene 5 as the key step. Preliminary data on the photophysical pr

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