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78554-68-4

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78554-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78554-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,5 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78554-68:
(7*7)+(6*8)+(5*5)+(4*5)+(3*4)+(2*6)+(1*8)=174
174 % 10 = 4
So 78554-68-4 is a valid CAS Registry Number.

78554-68-4Relevant articles and documents

Synthesis method of arylimidazophenanthroline fluorescence dye, and recognition of metal ions

-

, (2020/02/20)

The invention discloses a synthesis method of an arylimidazophenanthroline fluorescence dye, and recognition of metal ions. The synthesis method is a method for synthesizing arylimidazo[4,5-f]phenanthroline oxa-crown ether compounds from cheap and easily available 1,10-phenanthroline through a series of steps. Fluorescence properties of the arylimidazo[4,5-f]phenanthroline compounds are screened,the complexing property of the compounds and metal ions is verified through screening experiments of different metal ions and experiments of ion concentration and the like, and recognition of the metal ions Zn in tumor cells is achieved. The fluorescence probe has the following technical effects: 1, the compounds respectively have high selectivity to Zn Zn on wide metal ions; and 2, a fluorescence quenching molecular switch responding to Zn can be obtained in MCF-7 cells, and lays a great foundation for the application of the system in fields of biological recognition and the like.

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