Customization: | Available |
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CAS No.: | 1404-26-8 |
Formula: | C43h82n16o12 |
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ITEM
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SPECFICATION
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RESULTS
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Appearance
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White or almost white powder,hygroscopic.
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Conforms
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Solubility
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Soluble in water.slighty soluble in alcohol.
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Conforms
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PH
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5.0-7.5
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5.4
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Loss on drying
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NMT7.0%
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3.0%
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Residue on ignition
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NMT5.0%
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0.20%
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On the dried basis
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Not less than 6000IU/mg
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8254IU/mg
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Related substances
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Any impurity
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NMT3.0%
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Total impurity
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17.0%
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Compositionof Polymyxins
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B3
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NMT6.0%
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B1-1
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NMT15.0%
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Sum of B1,B2,B3 and B1-I
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NMT80.0%
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identification
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A:The retention times of the major peaks from thesample solution correspond to 'those of thestandard solution,as obtained in the test forcomposition of Polymyxins. B:To the sample solution add 5ml of2.5N sodiumhydroxide,and mix,Add 5 drops of 10mg/ml ofcupric sulfate shakin after the addition of eachdrop,A reddish-violet color is produced. C:It gives reaction of sulphate.
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Conforms
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Conclusion:
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Conform with enterprise specification.
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