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78935-71-4

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78935-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78935-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,3 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78935-71:
(7*7)+(6*8)+(5*9)+(4*3)+(3*5)+(2*7)+(1*1)=184
184 % 10 = 4
So 78935-71-4 is a valid CAS Registry Number.

78935-71-4Downstream Products

78935-71-4Relevant articles and documents

Mass Spectrometric Determination of Spin Adducts of Hydroxyl and Aryl Free Radicals

Abe, Kazuhisa,Suezawa, Hironori,Hirota, Minoru,Ishii, Tetsuo

, p. 29 - 34 (2007/10/02)

G.l.c.-mass spectrometry has been applied in conjunction with the e.s.r. to the identification of spin adducts produced by reactions between short-lived free radicals and nitrone spin traps.Thermally unstable spin adducts were converted into thermally stable and volatile trimethylsilyl derivatives suitable for g.l.c.-mass spectrometry.The structures of the trimethylsilylated spin adducts could be determined by observing molecular and fragment ion peaks as well as isotope peaks.Hydroxyl and aryl free radicals are identfiable by this method.Even if there were more than two different kinds of spin adduct, they could be easily separated by g.l.c. and identified by their mass spectra.

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