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Technical Data Sheet Fusidic Acid
Compound Information
Product Name:
Fusidic Acid
CAS No.:
6990-06-3
Molecular Formula:
C31H48O6
Molecular Weight:
516.71
Storage:
Store at 0 - 8 °C
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Appearance | White or almost white crystalline powder |
| Solubility | Practically insoluble in water, freely soluble in ethanol (96 per cent) |
| Water Content (Karl Fisher) | 1.4 - 2.0% |
| Residual Solvents | Ethanol : ≤ 5000 ppm, Methanol : ≤ 3000 ppm, Ethyl acetate : ≤ 5000 ppm, N-hexane : ≤ 290 ppm |
| Particle Size | ≥99% (≤30 μm by volume) |
| Related Substances | Impurity M : ≤ 1%, Impurity G : ≤ 0.7%, Impurity L : ≤ 0.5%, Impurity B : ≤ 0.4%, Impurity A : ≤ 0.3%, Impurity H : ≤ 0.1%, Impurity C, D, F, I, K, N : ≤ 0.2%, Main unspecified impurities : ≤ 0.10%, Total impurities : ≤ 2% |
| Sulfated Ash | ≤ 0.2% |
| Assay (anhydrous basis) | 97.5 - 101.0% |
| Specification Reference | EP |
| 1H NMR | Pass test |
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