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217662-69-6

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217662-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217662-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,6,6 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 217662-69:
(8*2)+(7*1)+(6*7)+(5*6)+(4*6)+(3*2)+(2*6)+(1*9)=146
146 % 10 = 6
So 217662-69-6 is a valid CAS Registry Number.

217662-69-6Relevant articles and documents

Synthesis of N-and C-trimethylsilyl-substituded anililes

Storozhenko,Belyakova,Starikova,Nosova,Shulyat'eva,Frenkel',Pecherskii

, p. 892 - 897 (2008/12/20)

N-Metallation of bromoanilines with ethylmagnesium bromide followed by a reaction with trimethylchlorosilane provided N-mono and N-bis(trimethylsilyl) bromoanilines depending on the structure of substrate. The metallation of bissilylated bromoanilines with butyllithium permitted the introduction of a trimethylsilyl substituent in the aromatic ring. Previously unknown 2-bromo-N,N-bis(trimethylsilyl)aniline, 2,6-dibromo-N-trimethylsilylaniline, 2,6-dibromo-N,N-bis(trimethylsilyl)aniline, 2-bromo-6-trimethylsilylaniline, 2-bromo-6-trimethylsilyl-N,N-bis(trimethylsilyl)aniline, 2-bromo-6- trimethylsilyl-N-trimethylsilylaniline, 2,4,6-tribromo-N-trimethylsilylaniline, and 2,4,6-tribromo-N,N-bis(trimethylsilyl)aniline were prepared. The structures of the compounds obtained were established by the chromato-mass spectrometry and 1H, 13C, and 29Si NMR spectroscopy.

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