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1235844-76-4

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1235844-76-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235844-76-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,8,4 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1235844-76:
(9*1)+(8*2)+(7*3)+(6*5)+(5*8)+(4*4)+(3*4)+(2*7)+(1*6)=164
164 % 10 = 4
So 1235844-76-4 is a valid CAS Registry Number.

1235844-76-4Downstream Products

1235844-76-4Relevant articles and documents

Novel, soluble, FluXoro functional substituted zinc phthalocyanines; synthesis, characterization and photophysicochemical properties

Erdo?mu?, Ali,Nyokong, Tebello

, p. 174 - 181 (2010)

Three novel phthalonitriles and the respective, peripheral tetrakis zinc phthalocyanines were synthesized and characterized using elemental analysis, IR, 1H NMR, mass spectra and electronic spectroscopy. The phthalocyanines displayed good solubility in organic solvents such as CHCl3, DCM, DMSO, DMF, THF and toluene. The presence of a long chain fluorine substitituent was found to result in reduced aggregation. The singlet oxygen, photodegradation, fluorescence quantum yield, triplet quantum yield and triplet life time of the complexes in toluene were determined. The effect of fluoro-functional groups on the photophysical and photochemical parameters of the zinc(II) phthalocyanines are also reported. Fluorescence quantum yields for the complexes ranged from 0.021 to?0.041.

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