Estriol (E3), or oestriol, also known as 16α-hydroxyestradiol or as estra-1,3,5(10)-triene-3,16α,17β-triol, is a natural steroidal estrogen and one of the three main estrogens in the human body.
| Product Name | Estriol |
| Chemical Name | 16α-hydroxyestradiol or as estra-1,3,5(10)-triene-3,16α,17β-triol |
| Other Name | E3;ESTRIOL;ESTRA-1,3,5(10)-TRIENE-3,16,17-TRIOL;ESTRA-1,3,5(10)-TRIENE-3,16ALPHA,17BETA-TRIOL;TRIDESTRIN;ESTRIOLChemicalbook(P);Estriol,1,3,5(10)-Estratriene-3,16α,17β-triol,16α-Hydroxyestradiol,3,16α,17β-Trihydroxy-1,3,5(10)-estratriene |
| CAS Number | 50-27-1 |
| Molecular Formula | C18H24O3 |
| Formula Weight | 288.38 |
| Appearance | White or practically white, crystalline powder |
| Assay | 97.0% min |
| Melting Point | 280-282 °C |
| Boiling Point | 370.61°C |
| Density | 1.27 g/cm3 |
| Package | bag, bottle, drum, or as you required |
| Storage | Store the container tightly closed in a dry & cool place. Do not expose to direct sunlight. |
| COA & MSDS | Available |
| Application | For research purpose |
| TEST | ACCEPTANCE CRITERIONS | RESULTS |
| Identification | A:IR | Positive |
| B:UV | Positive | |
| Characteristics | White or practically white, crystalline powder | conform |
| Specific rotation | ﹢54°~﹢62° | ﹢55.60° |
| Assay | 97 .0~ 102.0% | 98.9% |
| Loss on drying | ≤0.5% | 0.13% |
| Related substances | total impurities ≤2.0% | Pass |
| Residual on ignition | ≤0.10% | 0.08% |
Estriol, a natural form of estrogen, is an excellent therapy for easing symptoms of menopause and treating multiple sclerosis. It’s also the safest form of estrogen because it protects against the adverse effects of other, stronger estrogens.
How should I take Estriol?
Contact: erica@zhuoerchem.com
Payment terms
T/T(telex transfer), Western Union, MoneyGram, Credit card, PayPal,
Alibaba Trade Assurance, BTC(bitcoin), etc.
Lead time
≤100kg: within three working days after payment received.
＞100kg: one week
Sample
Available.
Package
20kg/bag/drum, 25kg/bag/drum
or as you required.
Storage
Store the container tightly closed in a dry & cool place.
Do not expose to direct sunlight.