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54186-71-9

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54186-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54186-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,8 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54186-71:
(7*5)+(6*4)+(5*1)+(4*8)+(3*6)+(2*7)+(1*1)=129
129 % 10 = 9
So 54186-71-9 is a valid CAS Registry Number.

54186-71-9Relevant articles and documents

Quinoxaline compound, preparation method and application of quinoxaline compound in medicine

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Paragraph 0102-0105; 0324-0326; 0328, (2021/07/24)

The invention provides a quinoxaline compound, a preparation method and application of the quinoxaline compound in medicine, and particularly relates to a quinoxaline compound with PAR4 antagonistic activity, a preparation method of the quinoxaline compound, a pharmaceutical composition containing the quinoxaline compound and application of the quinoxaline compound. Specifically, the invention provides a compound shown as a general formula I and/or II or a tautomer or pharmaceutically acceptable salt thereof, a preparation method of the compound, and application of the compound or the tautomer or the pharmaceutically acceptable salt in medicines for preventing and/or treating thromboembolic diseases.

Copper Complexes of New Redox-Active 4,5-Bisguanidino-Substituted Benzodioxole Ligands: Control of the Electronic Structure by Counter-Ligands, Solvent, and Temperature

Schrempp, David Fridolin,Kaifer, Elisabeth,Wadepohl, Hubert,Himmel, Hans-J?rg

, p. 16187 - 16199 (2016/10/30)

Herein, we analyze the possibility of controlling the electronic structure of mononuclear copper complexes featuring new redox-active 4,5-bisguanidino-substituted benzodioxole ligands. The nature of the guanidino groups, the anionic counter-ligands, the applied solvent (polarity), and the temperature are the parameters that decide if a CuIIcomplex with neutral ligand unit or a CuIcomplex with radical monocationic ligand unit is the adequate description. Under special conditions, a temperature-dependent equilibrium of the two valence tautomeric forms (CuII/neutral ligand and CuI/radical monocationic ligand) is achieved. Removal of a ligand-centered electron from a paramagnetic CuIIcomplex with a neutral ligand unit leads to a diamagnetic CuIcomplex with a dicationic ligand unit through a redox-induced electron-transfer (RIET) process.

Heteroaroylhydrazide derivatives of monocyclic beta-lactam antibiotics

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, (2008/06/13)

Compounds having the formula STR1 and pharmaceutically acceptable salts thereof and possessing antibacterial activity, and intermediates to compounds of formula I having the formula

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