Title:  Edrophonium Chloride 
CAS Registry Number:  116-38-1 
CAS Name:  N-Ethyl-3-hydroxy-N,N-dimethylbenzenaminium chloride 
Additional Names:  ethyl(m-hydroxyphenyl)dimethylammonium chloride;  (3-hydroxyphenyl)dimethylethylammonium chloride;  3-hydroxy-N,N-dimethyl-N-ethylanilinium chloride 
Trademarks:  Antirex (Kyorin);  Enlon (Ohmeda);  Reversol (Organon);  Tensilon (Valeant) 
Molecular Formula:  C10H16ClNO 
Molecular Weight:  201.69 
Percent Composition:  C 59.55%, H 8.00%, Cl 17.58%, N 6.94%, O 7.93% 
Literature References:  Cholinesterase inhibitor.  Prepn:  J. A. Aeschlimann, A. Stempel, US 2647924 (1953 to Hoffmann-La Roche).  LC determn in biological fluids:  M. G. M. DeRuyter et al., J. Chromatogr. 183, 193 (1980).  Clinical evaluation in reversal of neuromuscular blockade:  D. M. Fisher et al., Anesthesiology 61, 428 (1984).  Clinical study in supraventricular tachycardia:  J. D. Cantwell et al., Arch. Int. Med. 130, 221 (1972).  Diagnostic use in myasthenia gravis:  I. M. Williams et al., Clin. Exp. Neurol. 22, 1 (1986); in esophageal chest pain: C. A. Lee et al., Dig. Dis. Sci. 32, 682 (1987). 
Properties:  Crystals from isopropanol, dec 162-163°.  pH of 1% aq soln 4-5.  Very sol in water; freely sol in alcohol.  Insol in chloroform, ether. 
  
Derivative Type:  Edrophonium Bromide  
Additional Names:  Edrophone bromide 
Manufacturers' Codes:  Ro-2-3198 
Molecular Formula:  C10H16BrNO 
Molecular Weight:  246.14 
Percent Composition:  C 48.80%, H 6.55%, Br 32.46%, N 5.69%, O 6.50% 
Properties:  Crystals from ethanol + ether, dec 151-152°.  Bitter taste.  Sol in water (more than 10%).  Moderately sol in alcohol.  Practically insol in ether.  Solns are stable. 
  
Therap-Cat:  Cholinergic; antidote to curare; diagnostic aid (myasthenia gravis). 
Keywords:  Antidote (Curare); Cholinergic; Diagnostic Aid.   |