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97923-50-7

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97923-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97923-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,2 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97923-50:
(7*9)+(6*7)+(5*9)+(4*2)+(3*3)+(2*5)+(1*0)=177
177 % 10 = 7
So 97923-50-7 is a valid CAS Registry Number.

97923-50-7Downstream Products

97923-50-7Relevant articles and documents

One-pot synthesis of oligomeric aryl-substituted PPV analogs with extended π-conjugation

Feit, Ben-Ami,Buzhansky, Ludmila

, p. 1777 - 1782 (2007/10/03)

A conceptually novel approach for a stepwise one-pot synthesis of oligomeric poly(phenylvinylene) (PPV, -[C6H4-CH=CH]-) analogs with extended n-conjugation of the type H-[CH=C(Ar)-C6H4-C(Ar)=CH]n-H (n = 2, 4), from the corresponding dienic monomers (n = 1), has been studied. The oligomerizations were performed in high yields by repeating the sequential preparation of the mercuric trifluoroacetate derivative H-[CH=C(Ar)-C6H4-C(Ar)=CH]n-HgCO 2CF3 (n=1, 2) and its coupling in the presence of PdCl2. The feasibility of this approach was demonstrated by a one-pot preparation of several tetramers, directly from the corresponding monomers. The Royal Society of Chemistry 2000.

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