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143566-50-1

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143566-50-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143566-50-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,6 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143566-50:
(8*1)+(7*4)+(6*3)+(5*5)+(4*6)+(3*6)+(2*5)+(1*0)=131
131 % 10 = 1
So 143566-50-1 is a valid CAS Registry Number.

143566-50-1Downstream Products

143566-50-1Relevant articles and documents

Synthesis of Non-Symmetrically Benzo-Substituted Phthalocyanines and Their Electronic Spectra

Ikeda, Yoshihito,Konami, Hideo,Hatano, Masahiro,Mochizuki, Katsura

, p. 763 - 766 (1992)

A series of benzo-substituted phthalocyanine-Zn complexes was isolated from a mixed product of two nitriles (o-phthalonitrile and 2,3-dicyanonaphthalene) and metal salt by chromatographic techniques.The UV-Visible absorption spectra of these compounds showed a schematic variation with the mode of substitution.The D2h type complex showed strong anisotropy.

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