5519-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5519-95-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,1 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5519-95:
(6*5)+(5*5)+(4*1)+(3*9)+(2*9)+(1*5)=109
109 % 10 = 9
So 5519-95-9 is a valid CAS Registry Number.
5519-95-9Relevant articles and documents
STEREOSPECIFIC SYNTHESIS OF (E)-ALKENYLPYRIDINES VIA α-SILYL CARBANION
Konakahara, Takeo,Takagi, Yukio
, p. 2073 - 2076 (1980)
(E)-2-Alkenylpyridines were stereospecifically prepared from 2-(trimethylsilylmethyl)pyridine and the corresponding (E)-aldimines of anilines by an analogous reaction to the Peterson reaction.
