Buy 99.07% USP32 Estrogen Female Steroid Hormone Estradiol 17beta-Estradiol CAS 50-28-2
What is Estradiol ?
Estradiol is a form of estrogen, a female sex hormone produced by the ovaries. Estrogen is necessary for many processes in the body.
Estradiol Chemical Profile
Estradiol Synonyms : 17beta-Estradiol;Beta-Oestradiol
Estradiol CAS No.: 50-28-2
Estradiol Formula: C18H24O2
Estradiol Molecular Weight: 272.39
Estradiol EINECS: 200-023-8
Estradiol Density: 1.17 g/cm3
Estradiol Melting Point: 178-179 °C(lit.)
Estradiol Boiling Point: 445.917 °C at 760 mmHg
Estradiol Flash Point: 209.634 °C
Estradiol Purity: 99%
Estradiol Application: Pharmaceutical Intermediates
Estradiol Applciation
1) Estradiol is used to treat symptoms of menopause such as hot flashes, and vaginal dryness, burning, and irritation. Other uses include prevention of osteoporosis in postmenopausal women, and replacement of estrogen in women with ovarian failure or other conditions that cause a lack of natural estrogen in the body.
2) Estradiol is sometimes used as part of cancer treatment in women and men.
3) Estradiol may also be used for other purposes not listed in this medication guide.
Estradiol Certificate of Analysis
| Manufacturing Date |
2018.01.08 |
Batch No. |
20180108 |
| Expiry Date |
2022.01.07 |
Report Date |
2018.01.10 |
| Reference Standard |
USP 32 |
Packing |
Foil Bag |
| TEST |
ACCEPTANCE CRITERIONS |
RESULTS |
| Identification |
Infrared Absorption |
Positive |
| Characteristics |
White or creamy white, crystalline powder |
conform |
| Melting point |
173 ~ 179degree |
177~ 179degree |
| Specific rotation |
76°~83° |
78.5° |
| Water |
≤3.5% |
pass |
| Assay |
97 .0~ 103.0percent |
99.07% |
| Loss on drying |
≤0.5percent |
0.21% |
| Related substances |
total impurities ≤1.0percent |
Pass |
| Residual solvents |
ethanol ≤0.5percent |
Pass |
| Conclusion |
This batch complies with USP 32 |
