Cas 220401-21-8,4-[3-(4-diethylaminophenyl)-acryloyl]-benzonitrile

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Check Digit Verification of cas no

The CAS Registry Mumber 220401-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,0 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220401-21:
(8*2)+(7*2)+(6*0)+(5*4)+(4*0)+(3*1)+(2*2)+(1*1)=58
58 % 10 = 8
So 220401-21-8 is a valid CAS Registry Number.

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220401-21-8Relevant academic research and scientific papers

Tuning the photoinduced electron-transfer thermodynamics in 1,3,5-triaryl-2-pyrazoline fluorophores: X-ray structures, photophysical characterization, computational analysis, and in vivo evaluation

Fahrni, Christoph J.,Yang, Liuchun,VanDerveer, Donald G.

, p. 3799 - 3812 (2003)

A series of donor-substituted 1,3,5-triaryl-2-pyrazoline fluorophores were structurally characterized by x-ray analysis, and their photophysical properties studied by steady-state absorption and emission spectroscopy. The photoinduced electron-transfer th

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