87643-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87643-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,4 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87643-27:
(7*8)+(6*7)+(5*6)+(4*4)+(3*3)+(2*2)+(1*7)=164
164 % 10 = 4
So 87643-27-4 is a valid CAS Registry Number.
87643-27-4Relevant academic research and scientific papers
Herstellung und Reacktivitaet von Alkoxy-1-azafulvenen
Stachel, Hans-Dietrich,Poschenrieder, Herrmann,Immerz-Winkler, Elisabeth
, p. 935 - 941 (2007/10/02)
The title compounds 7-9 react with nucleophiles as lactim ethers.Compound 6 was most reactive in the 4-position.The brominated compound 14 was active in the 4- as well as the 6-position.
