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5 Kilogram |
Negotiable |
Norethisteron acetate Norethisteron Hormone
USP standard ≥98.0%
Norethisteron acetate
Characteristics |
White or yellowish white crystalline powder |
Identification |
IR |
Completeness of solution |
Clear and free from undissolved solids |
Specific rotation |
-32°~ -38° |
Limit of ethynyl group |
7.13%~7.57% |
Loss on drying |
≤0.5% |
Related substance |
Individual impurity(TLC):≤0.5% Total impurities(TLC):≤1.5% Individual impurity(HPLC): ≤0.5% Total impurities(HPLC):≤1.0% |
Particle size |
D90≤20µm |
Content |
98.0%~103.0% |
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