Tiamulin hydrogen fumarate cas 55297-96-6 white or pale yellow crystalline powder; with mild characteristic odor. Soluble in water (6%), dry product stability, seal can be preserved for five years. cas: 55297-96-6other name: tiamulin fumarate;molecular formula: c28h47no4s.c4h4o4m.w.: 609.8142content: 98%structural formula: usage:antibiotic medicines. Chicken for chronic respiratory disease, the pig and hemophilus pleura pneumonia mycoplasma pneumonia, can also be used for the pig treponema cause diarrhea. Specification:loss on drying : not more than 0.5%melting point :143149 specific rotation:+24+28identification : hplc: the retention time obtained from the test solution corresponds to that obtained from the standard solution infra-red spectrum infra-red spectrum of the sample corresponds to that of the reference standardcolor and clarity of solution :the solution should be clear and colorless.