- Min.Order :1 Kilogram
- Purity: 96.0%~102.0%
- Payment Terms : L/C|D/A|D/P|T/T|Westem Union
Keywords
Quick Details
- Appearance:Red-violet amorphous powder
- Application:Rifamycin derivatives, resistant to rifampin resistant TB strains
- PackAge:25kg/drum
- ProductionCapacity:|/
- Storage:cool and dry
- Transportation:by sea ,air or express
Superiority:
Characteristics ：Red-violet amorphous powder Identification 1) ：IR spectrum of article in area from 4000 to400cm must have full match of abso…
Details:
Characteristics ：Red-violet amorphous powder
Identification 1) ：IR spectrum of article in area from 4000 to 400cm must have full match of absorption bands by positions with absorption bands on
the attached spectrum of Rifabutin reference standard.
2) Retention time of main peak on chromatogram of tested solution must
conforms with retention time of main peak on chromatogram of Rifabutin reference standard solution.
Solubility： Slightly soluble in water,soluble in methanol,slightly soluble in alcohol.
Impurity A ：≤0.3%
Water： ≤2.5%
Related substances
One single impurity: ≤1.0%
Any other impurity:≤0.5%
Total impuritties:≤3.0%
Sulphated ash ：≤0.3%
Residual solvents Tetrahydrofuran: ≤0.072%
Dichloromethane:≤0.06%
Acetic acid:≤0.5%
Hexane:≤0.5%
Assay： 96.0%~102.0% C46H62N4O11 on anhydrous basis
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