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163981-87-1

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163981-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163981-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,9,8 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163981-87:
(8*1)+(7*6)+(6*3)+(5*9)+(4*8)+(3*1)+(2*8)+(1*7)=171
171 % 10 = 1
So 163981-87-1 is a valid CAS Registry Number.

163981-87-1Downstream Products

163981-87-1Relevant articles and documents

Synthesis and Activity against Multidrug Resistance in Chinese Hamster Ovary Cells of New Acridone-4-carboxamides

Dodic, Nerina,Dumaitre, Bernard,Daugan, Alain,Pianetti, Pascal

, p. 2418 - 2426 (2007/10/02)

A number of tricyclic carboxamides have been synthesized and tested to evaluate their ability to reverse multidrug resistance in the CHRC/5 cell line.Among them the acridone derivatives were the most potent.A key feature is the presence of a dimethoxybenzyl or phenethylamine cationic site, separated from the tricyclic lipophilic part by a carbamoylphenyl chain.Optimization led to compounds 2 orders of magnitude more active than the prototype inhibitors verapamil and amiodarone.On the basis of in vitro and in vivo activities, 9,10-dihydro-5-methoxy-9-oxo-N-phenyl>-4-acridinecarboxamide (84) has been selected for further development.

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