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97813-94-0

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97813-94-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97813-94-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,1 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97813-94:
(7*9)+(6*7)+(5*8)+(4*1)+(3*3)+(2*9)+(1*4)=180
180 % 10 = 0
So 97813-94-0 is a valid CAS Registry Number.

97813-94-0Relevant articles and documents

SPECTRAL-LUMINISCENCE PROPERTIES AND BASICITIES OF 2-(4-PYRIDYL)-5-(4-R-PHENYL)OXAZOLES

Afanasiadi, L. Sh.,Tur, I. N.,Kurapov, P. B.

, p. 397 - 400 (1985)

The spectral-luminiscence and acid-base properties of 2-(4-pyridyl)-5-(4-R-phenyl)oxazoles were studied.Significant ?-electron conjugation between the individual fragments exists in the molecules of these compounds in solutions at room temperature.Bathochromic and bathofluoric effects, which are particularly appreciable for electron-donor substituents, are observed when substituents R are introducted into the 5-phenyl ring.Ethanol solutions of the investigated compounds have high fluorescence quantum yields which, for some of them, are close to unity.Electron-donor substituents R increase the basicity of the pyridine nitrogen atom.

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