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77879-79-9

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77879-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77879-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,7 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77879-79:
(7*7)+(6*7)+(5*8)+(4*7)+(3*9)+(2*7)+(1*9)=209
209 % 10 = 9
So 77879-79-9 is a valid CAS Registry Number.

77879-79-9Relevant articles and documents

CONFORMATIONAL ANALYSIS AND PHOTOCHeMICAL BEHAVIOUR OF SULFOXIDES IN THE NAPHTHOTHIOPYRAN AND NAPHTHOTHIOPYRAN SERIES

Still, Ian W. J.,Arora, Parkash C.,Hasan, S. Khaquan,Kutney, Gerald W.,Lo, LAwrence Y. T.,Turnbull, Kenneth

, p. 199 - 209 (2007/10/02)

The sulfoxides derived from 2,3-dihydro-4H-naphthothiopyran and its 4-phenyl and 4-oxo derivatives, as well as the analogous sulfoxides in the 2,3-dihydro-1H-naphthothiopyran series, have been synthesized and their structures established by spectroscopic methods, especially 1H and 13C nmr.On the photolysis these sulfoxides have been found to react by a rather inefficient photochemical deoxygenation pathway.

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