Cas 17889-92-8,1,2,3,4-tetrahydrocyclopenta[2,1-b]quinolin-9-one

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Check Digit Verification of cas no

The CAS Registry Mumber 17889-92-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,8 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17889-92:
(7*1)+(6*7)+(5*8)+(4*8)+(3*9)+(2*9)+(1*2)=168
168 % 10 = 8
So 17889-92-8 is a valid CAS Registry Number.

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17889-92-8Relevant academic research and scientific papers

Synthesis and some reactions of functionalized benzo[b]azonines and Bi(benzo[b]azonines)

Afsah, Elsayed M.,Fadda, Ahmed A.,Bondock, Samir,Hammouda, Mohamed M.

, p. 415 - 422 (2009)

Tetrahydro-lf.-benzo[fo]azonin-2,7-dione (2a) has been used as a precursor in the synthesis of di-benzo[b,f][l,5]diazacyclododecene and dibenzo[b,g][l,6]diazacyclododecene ring systems 4 and 5, respectively, via periodate oxidation of the appropriate indo

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