Minoxidil is the only topical hair loss drug approved for marketing in the world. Minoxidil powder is a white crystalline powder that is slightly soluble in water and slightly soluble in ethanol. It is widely used in the clinic to treat male androgenic alopecia and is the most ideal and effective drug to combat male pattern baldness.
| ITEMS | STANDARD USP42 | ANALYSIS RESULT |
| APPEARANCE | White or off-white crystal powder | White crystal powder |
| IDENTIFICATION | IR: similar to the reference standard | COMPLIES |
| SOLUBILITY | soluble in propylene glycol, sparingly soluble in methanol, slightly soluble in water, practically insoluble in chloroform, in acetone, in ethyl acetate, and in hexane | COMPLIES |
| RESIDUE ON IGNITION | ≤0.5% | 0.04% |
| HEAVY METALS | <20 ppm | COMPLIES |
| LOSS ON DRYING | ≤0.5% | 0.1% |
| TOTAL IMPURITIES | ≤1.5% | 0.20% |
| ASSAY (HPLC) | 97.0%~103.0% | 99.7% |
| CONCLUSION | THE PRODUCT CONFORMS TO USP42 | THE PRODUCT CONFORMS TO USP42 |

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