China Pharma Grade Purity 99% Pregnenolone/Progesterone/Estrone/Estradiol/Estriol Powder, Find details about China Progesterone, Progesterone Powder from Pharma Grade Purity 99% Pregnenolone/Progesterone/Estrone/Estradiol/Estriol Powder
Items | Standards |
Characteristics | White to the pale yellow powder |
Assay(C12H12O18P2Mg3) | ≥98.5% |
Loss on drying | ≤20% |
Heavy Metals(Pb) | ≤0.001% |
Arsenic | ≤0.0002% |
PH Value(3% aqueous solution) | 7.0-8.5 |
Color of solution | ≤70 |
Free ascorbic acid | ≤0.5% |
Free phosphoric acid | ≤1% |
Chloride | ≤0.35% |
Total aerobic count | ≤1000 per gram |