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1346549-28-7

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1346549-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1346549-28-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,5,4 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1346549-28:
(9*1)+(8*3)+(7*4)+(6*6)+(5*5)+(4*4)+(3*9)+(2*2)+(1*8)=177
177 % 10 = 7
So 1346549-28-7 is a valid CAS Registry Number.

1346549-28-7Relevant articles and documents

Quasi-block copolymers: Design, synthesis, and evidence for their formation in solution and in the melt

Weiss, Ester,Daoulas, Kostas Ch.,Mueller, Marcus,Shenhar, Roy

, p. 9773 - 9781 (2011)

A family of block copolymers featuring dynamically controlled compositions is presented. These copolymers, termed "quasi-block copolymers" (q-BCP), consist of a supramolecular polymer as one of the blocks. A conventional polymer end-capped with a functionality that is complementary to the supramolecular monomer is used to terminate the supramolecular block, giving rise to a block copolymer architecture. In this work we have utilized N,N′-2,4-bis((2-ethylhexyl)ureido)toluene (EHUT) as the supramolecular monomer and employed two types of modified 2,4-bis(ureido)toluene polystyrenes as the end-functionalized conventional polymer. Solution viscosity measurements with different solvent compositions and DSC analysis of poly(EHUT)/ functionalized-PS blends provide compelling evidence for the formation of self-assembled q-BCP structures both in solution and in the melt. The qualitative role of chain stoppers on the molecular weight distribution is studied by simulations.

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