China Top Quality Anti Estrogens Estriol Raw Powder CAS 50-27-1 99% Purity, Find details about China Estriol, Estriol Powder from Top Quality Anti Estrogens Estriol Raw Powder CAS 50-27-1 99% Purity
Items | Specification | Results |
Appearance | White to practically white, odorless, crystalline powder. | white crystalline powder, odorless |
Identification | A:IR B:UV | Conforms |
Melting point | About280ºC | 281.5ºC |
Solubility | Insoluble in water; sparingly soluble in alcohol; soluble in ace tone, n ether, and in vegetable oils | Conforms |
Completeness of solution | The solution is clear and free from undissolved solid. | Conforms |
Loss on drying | ≤0.5% | 0.26% |
Specific optical rotation | +54°~ +62° | +57.07° |
Total impurities | ≤2.0% | Conforms |
Residue on ignition | ≤0.1% | 0.06% |
Assay | ≥98% | 98.63% |
Conclusion | Qualified |
High quality with competitive price.
1. Standard bp/usp/ep/enterprise standard.
2. All purity>99%.
3. We are manufacturer and can provide high quality products with factory price.
Fast and safe delivery.
1. Parcel can be sent out in 24 hours after payment tracking number available.
2. Secure and discreet shipment verious transportation methods for your choice.
3. Customs pass rate >99%.
4. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.