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50311-45-0

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50311-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50311-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,3,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50311-45:
(7*5)+(6*0)+(5*3)+(4*1)+(3*1)+(2*4)+(1*5)=70
70 % 10 = 0
So 50311-45-0 is a valid CAS Registry Number.

50311-45-0Relevant academic research and scientific papers

Polyfluorinated arylnitramines

Platonov,Haas,Schelvis,Lieb,Dvornikova,Osina,Gatilov, Yu.V.

, p. 131 - 139 (2007/10/03)

N-methyl- and N-butylperfluoroarylamines are transformed by HNO3 into N-nitro-N-methyl- and N-nitro-N-butylperfluoroarylamines. These reactions were used to synthesise N-nitro-N-methylpentafluoroaniline and its p-CF3, -CN, -C6F5 substituted derivatives, N-nitro-N-methylperfluoro-2,4-xylidine, N-nitro-N-methyl-4-aminotetrafluoropyridine, N-nitro-N-methyl-5-aminoperfluoroindane, N-nitro-N-methyl-2-aminoheptafluoronaphthalene, 4,4′-bis(N-nitro-N-methylamino)octafluorobiphenyl from 4,4′-bis(N-methylamino)octafluorobiphenyl, N-nitro-N-n-butylpentafluoroaniline, N-nitro-N-n-butylperfluoro-p-toluidine, N-nitro-N-n-butyl-4-aminotetrafluoropyridine and N-nitro-bis(perfluoro-p-tolyl)amine. Tetrafluoro-p-benzoquinone and heptafluoro-p-toluquinol were obtained from N-methylpentafluoroaniline and N-methylperfluoro-p-toluidine, respectively, under the action of a mixture of HNO3 and H2SO4. The X-ray crystal structure of N-nitro-N-methylperfluoro-p-toluidine was determined.

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