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185010-90-6

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185010-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185010-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,0,1 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 185010-90:
(8*1)+(7*8)+(6*5)+(5*0)+(4*1)+(3*0)+(2*9)+(1*0)=116
116 % 10 = 6
So 185010-90-6 is a valid CAS Registry Number.

185010-90-6Relevant articles and documents

An NMR study of halogenated 1,4-dihydro-1-ethyl-4-oxoquinoline-3-carboxylates

Podanyi, Benjamin,Kereszturi, Geza,Vasvari-Debreczy, Lelle,Chinoin, Istvan Hermecz,Toth, Gabor

, p. 972 - 978 (2007/10/03)

Ethyl 1,4-dihydro-1-ethyl-4-oxoquinoline-3-carboxylate and 29 of its mono-, di-and tri-fluoro and/or -chloro derivatives were synthesized and their 1H, 13C and 19F NMR spectra were recorded. 1H, 13C and 19F chemical shifts, JHH, JFH, JCF and JFF coupling constants are reported. The 13C substituent chemical shift values of the chloro and fluoro substituents were calculated by linear multiple regression.

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