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Benzene, 1,3,5-triethynyl-2,4,6-tris[[2-(1-octynyl)phenyl]ethynyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

502157-85-9

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502157-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 502157-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,5 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 502157-85:
(8*5)+(7*0)+(6*2)+(5*1)+(4*5)+(3*7)+(2*8)+(1*5)=119
119 % 10 = 9
So 502157-85-9 is a valid CAS Registry Number.

502157-85-9Downstream Products

502157-85-9Relevant academic research and scientific papers

En route to archimedene: Total synthesis of C3h-symmetric [7]phenylene

Bruns, Dirk,Miura, Hirokazu,Vollhardt, K. Peter C.,Stanger, Amnon

, p. 549 - 552 (2007/10/03)

(Matrix presented) The total synthesis of C3h-symmetric [7]phenylene has been accomplished by triple cobalt-catalyzed cycloisomerization of an appropriate nonayne. Its spectral data are in accord with the expectations for a triply angularly fus

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