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857941-63-0

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857941-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857941-63-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,4 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857941-63:
(8*8)+(7*5)+(6*7)+(5*9)+(4*4)+(3*1)+(2*6)+(1*3)=220
220 % 10 = 0
So 857941-63-0 is a valid CAS Registry Number.

857941-63-0Downstream Products

857941-63-0Relevant academic research and scientific papers

Preparation and properties of conjugated polymers containing 1,2-diaryl-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene units

Kawasaki, Subaru,Ujita, Junichi,Toyota, Kozo,Yoshifuji, Masaaki

, p. 724 - 725 (2007/10/03)

Conjugated polymers containing sterically protected 1,2-di(2-thienyl)-3,4- diphosphinidenecyclobutene units were prepared and their properties were investigated. Red shifts of the polymers were observed, compared to the corresponding monomeric species, wh

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