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175440-75-2

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175440-75-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175440-75-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,4,4 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 175440-75:
(8*1)+(7*7)+(6*5)+(5*4)+(4*4)+(3*0)+(2*7)+(1*5)=142
142 % 10 = 2
So 175440-75-2 is a valid CAS Registry Number.

175440-75-2Upstream product

175440-75-2Downstream Products

175440-75-2Relevant academic research and scientific papers

SYNTHESIS AND SOME REACTIONS OF 3-SUBSTITUTED 1,4-BIS-(4-HYDROXY-2-OXO-1,2-DIHYDROQUINOLIN-6-YLOXY)BUTANES

Klasek, Antonin,Kafka, Stanislav,Kappe, Thomas

, p. 2137 - 2146 (2007/10/03)

Condensations of 1,4-bis(4-aminophenoxy)butane Ia and its N,N'-dimethyl derivative Ib with substituted diethyl malonates gave 1,4-bis(4-hydroxy-2-oxo-1,2-dihydroquinolin-6-yloxy)butanes IIa-IIf.From these compounds, 1,4-bis(3-halogeno-2,4-dioxo-1,2,3,4-tetrahydroquinolin-6-yloxy)butanes IIIa-IIIg and 1,4-bis(3-hydroxy-2,4-dioxo-1,2,3,4-tetrahydroquinolin-6-yloxy)butanes IIIh-IIIm were prepared.

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