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10355-51-8

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10355-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10355-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,5 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 10355-51:
(7*1)+(6*0)+(5*3)+(4*5)+(3*5)+(2*5)+(1*1)=68
68 % 10 = 8
So 10355-51-8 is a valid CAS Registry Number.

10355-51-8Downstream Products

10355-51-8Relevant articles and documents

Syntheses and Physical Properties of Several Symmetrical Sexiphenyls

Ibuki, Eiichi,Ozasa, Shigeru,Fujioka, Yasuhiro,Kitamura, Hirohiko

, p. 1468 - 1476 (2007/10/02)

Seven sexiphenyls, including three new isomers, 3,4,3',4'-tetraphenylbiphenyl (Id), 2,5,2',5'-tetraphenylbiphenyl (IIId), and 2,2'-di(3-biphenylyl)biphenyl (Vd), were synthesized by Ullmann homo-coupling of iodoterphenyl.The characteristic band of the infrared spectra (675-920 cm-1) and signals of the nuclear magnetic resonance spectra of the sexiphenyls were assigned tentatively and are discussed briefly.Infrared studies indicated that the range 730-770 cm-1, generally accepted as the position of the C-H out-of-plane bending bands of phenyl rings, should be widened slightly to 730-782 cm-1.The ultraviolet spectra commonly displayed an intense E-band in the narrow region of 192-207 nm.The prominent K-band above ca. 260 nm of branched sexiphenyls was taken as indicative of the presence of one or more p-linkages, as in the case of linear compounds.Keywords - polyphenyls; Ullmann reaction; infrared spectra; ultraviolet spectra; NMR spectra; iodoterphenyls

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