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1613270-43-1

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1613270-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613270-43-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,2,7 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1613270-43:
(9*1)+(8*6)+(7*1)+(6*3)+(5*2)+(4*7)+(3*0)+(2*4)+(1*3)=131
131 % 10 = 1
So 1613270-43-1 is a valid CAS Registry Number.

1613270-43-1Downstream Products

1613270-43-1Relevant articles and documents

New soluble near-infrared dyes based on terrylene diimides with four aromatic heterocycles

Wei, Huimin,Jiang, Nan,Zhao, Nan,Zhang, Ying,Gao, Baoxiang

, p. 356 - 360 (2014)

Terrylene diimides with four aromatic heterocycles (AHTDIs) were synthesized under Stille Cross-coupling conditions and fully characterized by NMR and mass spectrometry. The aggregation of the terrylene diimide (TDI) was suppressed by four heterocycles substituents on the bay region, and these AHTDIs exhibited good solubility in common organic solvents. The effects of the substituted groups on the optical and electrochemical properties were also investigated. The introduction of four aromatic heterocycles on the bay of TDI resulted in significant red-shifts of the absorption peak (100 nm), corresponding to a decrease in the band gap from 1.82 to 1.50 eV. Furthermore, with four rich electron aromatic heterocycles, the AHTDIs showed 280 mV negative-shifts of first oxidation potentials and a new oxidation wave, corresponding to an increase in the HOMO levels from?-5.60 to?-5.28 eV. Two soluble NIR dyes based on terrylene diimides were synthesized by the introduction of aromatic heterocycles substituents on the bay region. The effects of the substituted groups on the optical and electrochemical properties were further investigated. Copyright

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