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17878-08-9

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17878-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17878-08-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,7 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17878-08:
(7*1)+(6*7)+(5*8)+(4*7)+(3*8)+(2*0)+(1*8)=149
149 % 10 = 9
So 17878-08-9 is a valid CAS Registry Number.

17878-08-9Relevant articles and documents

Separation of optically active ethynylsilane derivatives and their polymerization by transition-metal catalysts

Kawakami, Yusuke,Omote, Masakatsu,Imae, Ichiro,Shirakawa, Eiji

, p. 7461 - 7468 (2007/10/03)

Optically pure (-)-(4-bromophenyl)ethynylmethyl(1-naphthyl)silane[(-)-1], (-)-1,2-diethynyl-1,2-dimethyl-1,2-di(1-naphthyl)disilane [(-)-2], and (+)-1,2-diethynyl-1,2-dimethyl-1,2-diphenyldisilane [(+)-3] were separated by a chromatographic technique on a

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