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1361255-56-2

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1361255-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1361255-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,1,2,5 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1361255-56:
(9*1)+(8*3)+(7*6)+(6*1)+(5*2)+(4*5)+(3*5)+(2*5)+(1*6)=142
142 % 10 = 2
So 1361255-56-2 is a valid CAS Registry Number.

1361255-56-2Downstream Products

1361255-56-2Relevant articles and documents

Chiral oxazoline substituted optically active poly(m-phenylene)s: Synthesis and coupling polymerizations of (S)-4-benzyl-2-(3,5-dihalidephenyl) oxazoline using transition metal catalysts

Rattanatraicharoen, Poompat,Tanaka, Yoko,Shintaku, Keiko,Kawaguchi, Takuro,Yamabuki, Kazuhiro,Oishi, Tsutomu,Onimura, Kenjiro

, p. 1315 - 1322 (2013/04/10)

Optically active poly(m-phenylene)s substituted with chiral oxazoline derivatives have been synthesized by the nickel-catalyzed Yamamoto coupling reaction of optically active (S)-4-benzyl-2-(3,5-dihalidephenyl)oxazoline derivatives (X = Br or I). The structures and chiroptical properties of the polymers were characterized by spectroscopic methods and thermal gravimetric analyses. The polymers showed higher absolute optical specific rotation values than their corresponding monomer, and showed a Cotton effect at transition region of conjugated main chain. The optical activities of the polymers should be attributed to the higher order structure such as helical conformations. Moreover, the helical conformation could be induced by addition of metal salts into polymer solutions. The polymers showed good thermal stabilities, which was attributable to the oxazoline side chains.

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