USD $100.00-100.00 / Kilogram
USD $10.00-90.00 / Kilogram
USD $8.80-8.80 / Gram
USD $10.00-90.00 / Kilogram
USD $2.00-2.00 / Gram
USD $1.00-10.00 / Kilogram
USD $2.00-2.00 / Gram
USD $2.00-2.00 / Gram
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% |