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288311-28-4

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288311-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 288311-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,3,1 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 288311-28:
(8*2)+(7*8)+(6*8)+(5*3)+(4*1)+(3*1)+(2*2)+(1*8)=154
154 % 10 = 4
So 288311-28-4 is a valid CAS Registry Number.

288311-28-4Downstream Products

288311-28-4Relevant articles and documents

Donor-acceptor-functionalized tetraethynylethenes with nitrothienyl substituents: Structure-property relationships

Tykwinski, Rik R.,Hilger, Anouk,Diederich, Francois,Luethi, Hans Peter,Seiler, Paul,Gramlich, Volker,Gisselbrecht, Jean-Paul,Boudon, Corinne,Gross, Maurice

, p. 1484 - 1508 (2007/10/03)

Tetraethynylethenes (TEEs) functionalized with donor (4- (dimethylamino)phenyl) and acceptor (5-nitro-2-thienyl) groups were prepared by Pd0-catalyzed Sonogashira cross-coupling reactions (Schemes 1-6). The physical properties of these novel ch

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