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马度米星铵
Maduramicin Ammonium
Chemical Name | 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 |
CAS Number | 84878-61-5 |
Molecular Formula | C47H79O17.NH4 |
Molecular Weight | 934.17 |
Molecular Structure |  |
Packing | 25kg/Drum |
Capacity | 8000kg/ Year |
Storage | Sealed tightly and stored away from light in a cool and dry place |
Application | 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. |
SPECIFICATION
Items | Specification |
Appearance | White or off-white crystalline power |
Identification | Meet the requirements |
Loss on drying | ≤ 2.0% |
Residue on ignition | ≤ 2.0% |
Heavy metals | ≤ 20ppm |
Assay | ≥ 90.0% |