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2,3-dihydro-3-hydroxymethylene-6-methoxy-1-tosyl-4(1H)-quinolone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75227-43-9

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75227-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75227-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,2 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75227-43:
(7*7)+(6*5)+(5*2)+(4*2)+(3*7)+(2*4)+(1*3)=129
129 % 10 = 9
So 75227-43-9 is a valid CAS Registry Number.

75227-43-9Relevant academic research and scientific papers

Antifertility Agents: Part XLIII - Synthesis of 3-Aryl-4,5-dihydro-2-substituted-5-tosyl-2H-pyrazoloquinolines and 2,4-Dihydro-3-phenylbenzopyranopyrazoles and Their Derivatives

Sangwan, Naresh K.,Kelkar, Prabhakar M.,Rastogi, Shri Nivas,Anand, N.

, p. 639 - 644 (2007/10/02)

2,3-Dihydro-1-tosyl-4(1H)-quinolones (5-7) on formylation give the corresponding 3-hydroxymethylene derivatives (11-13) of which 12 and 13 react with piperazine to afford N,N-bis-substituted piperazines (15 and 16).Refluxing of 11-13 with substituted hydr

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