Neomycin undecylenate

Sammul et al have published the infrared spectrum of neomycin undecylenate. 

Solvent Neomycin B hydrochloride Neomycin sulphate Neomycin undecylenate Neomycin oleate Neomycin stearate... 

Synonym. Neomycin Undecylenate Proprietary Names. It is an ingredient of Audicort. 

Neomycin Undecylenate. Neodecyllin. i0-Un-decenoate salt of the antibiotic neomycin, q.v. Commercial... 

Many attempts to alter the physical properties of neomycin by the formation of various salts have been described. Thus the neomycin salts of the higher fatty acids, such as the stearate, palmitate and myristate3(3 31 were prepared and being water-insoluble were formulated in ointment bases. Similarly, the undecylenate salt has been prepared and processes for its production patented3 33 34 The undecylenate and caprylate salts have been described as being particularly suitable as antimitotic compounds35. 

---