USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $8.20-8.80 / Kilogram
we have gmp
estrone
characteristics |
white or almost white crystalline powder |
identification |
tlc uv spectrum ir spectrum |
clarity of solution |
the solution is clear |
specific rotation |
+158~+165° |
loss on drying |
≤0.5% |
residue on ignition |
≤0.5% |
limit of equenin and equilin |
meet the requirments |
ordinary impurities |
meet the requirments |
residual solvents |
meet the requirments |
assay |
97 .0~ 103.0% |