GMP Factory supply USP Grade 99% Estriol 50-27-1 with reasonable price estriol powder
1-1000 Gram
$2.60
≥ 1001 Gram
$2.50
- Item No.EstriolMOQ1 Gram
Choice
Quantity:
If you have your own design, please contact us, there will have a professional customer service to communicate with you.
Don't have your files right now?No worries, Check out our art tips for more information.
If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Product name | Estriol |
Synonyms | 1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol |
CAS No. | 50-27-1 |
EINECS | 200-022-2 |
Molecular formula | C18H24O3 |
Molecular weight | 288.38 |
Appearance | White Or Practically White Crystalline Powder |
Melting point | 281-282 ºC |
Boiling point | 469 °C at 760 mmHg |
Assay | 97.0%-102.0% |
Application | Pharcaceutical Intermediates |
1.Estriol can be used for treating cervicitis and especially suitable for treating menopausal syndrome and senile vaginitis.
2.Estriol can also be used as the adjuvant drug for middle-term labor induction and artificial abortion. 3. It can also be used for treating prostatic hypertrophy and prostate cancer.
4.Estriol still has a rapid role in increasing the peripheral leukocytes. It generally takes effect at 1 to 3 days after the treatment but with a short duration period. It also has efficacy in treating leukopenia caused by chemotherapy or radiotherapy.
5.Estriol can be used for reducing the vascular permeability and fragility and can be used for the treatment of various kinds of hemorrhage. It also has quick hemostasis effect on menorrhagia, hysterectomy or tonsillectomy.
Item | SPECIFICATIONS | RESULTS |
Appearance | White or pracrically white crystalline powder | Conform |
Identification | Infrared absorption spectrophotometry should conform with CRS | Conform |
Clarity of solution | The solution is clear and free from undissolved solid | Cinform |
Specific rotation | +54.0°~+62.0° | +57.7° |
Loss on drying | ≤0.50% | 0.18% |
Related on igniton | ≤0.1%
| Conform |
Residual Materials | Total impurities: ≤2.0% | Conform |
Fineness | 10um(90% pass) | Conform |
Assay | 97.0%~102.0% | 98.8% |
Conclusion | Conform to USP36 standard |
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Send your message to us
No need register, just fill in contact info below, we will reply you within 24 hours!