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CAS

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731857-25-3

1,5-bis{2-[(dimethylthexylsilyl)ethynyl]phenyl}ethynyl-2,4-dibromobenzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

731857-25-3

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731857-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 731857-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,1,8,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 731857-25:
(8*7)+(7*3)+(6*1)+(5*8)+(4*5)+(3*7)+(2*2)+(1*5)=173
173 % 10 = 3
So 731857-25-3 is a valid CAS Registry Number.

731857-25-3Relevant articles and documents

Syntheses of syn and anti doublebent [5]phenylene

Bong, Dennis T.-Y.,Chan, Eugene W. L.,Diercks, Rainer,Dosa, Peter I.,Haley, Michael M.,Matzger, Adam J.,Miljanic, Ognjen S.,Vollhardt, K. Peter C.,Bond, Andrew D.,Teat, Simon J.,Stanger, Amnon

, p. 2249 - 2252 (2007/10/03)

The parent and dipropyl-substituted anti (1a,b) and syn doublebent (2a,b) [5]phenylenes have been assembled by CpCo-catalyzed double cyclization of regiospecifically constructed appropriate hexaynes. 1H NMR, NICS, and an X-ray structural analys

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