Cygro; Maduramicin; Maduramicin ammonium; Prinicin ammonium; (2R,3S,4S,5R,6S)-6-[(1R)-1-[(2S,5R,7S,8R,9S)-2-[(2S,2'R,3'S,5R,5'R)-3'-[(2,6-Dideoxy-3,4-di-O-methyl-b-L-arabino-hexopyranosyl)oxy]octahydro-2-methyl-5'-[(2S,3S,5R,6S)-tetrahydro-6-hydroxy-3,5,6-trimethyl-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-9-hydroxy-2,8-dimethyl-1,6-dioxaspiro[4.5]dec-7-yl]ethyl]tetrahydro-2-hydroxy-4,5-dimethoxy-3-methyl-2H-pyran-2-acetic acid monoammonium salt
Sealed tightly and stored away from light in a cool and dry place
Ammonium salt of a polyether monocarboxylic acid produced by Actinomadura yumaensis; White or almost white crystalline powder with characteristic odour.
Free soluble in trichloromethane, methanol, ethanol and acetone, insoluble in water.
White or off-white crystalline power
Meet the requirements
Loss on drying
Residue on ignition