Best Selling Estrogen Mestranol (CAS No.: 72-33-3)



Best Selling Estrogen Mestranol (CAS No.: 72-33-3)
Product name: Best Selling Estrogen Mestranol (CAS No.: 72-33-3)
Other name: 2-Methyl-4-trimethylsilyl-3-butyn-2-ol
CAS No.: 72-33-3
MF: C8H16OSi
MW: 156.2975
Spec: USP
Purity: 98%
Shipping way: EMS, HKEMS, DHL, TNT, Fedex, UPS (you can choose the fastest and your favourite)

Mestranol is the 3-methyl ether of ethinylestradiol. It was the estrogen used in many of the first oral contraceptives.
It is a biologically inactive prodrug of ethinylestradiol to which it is demethylated in the liver with a conversion efficiency of 70% (50 µg of mestranol is pharmacokinetically bioequivalent to 35 µg of ethinylestradiol).
Mestranol is the 3-methyl ether of ethinylestradiol. Ethinylestradiol, is a synthetic derivative of estradiol. Ethinylestradiol is orally bio-active and the estrogen used in almost all modern formulations of combined oral contraceptive pills. It binds to (and activates) the estrogen receptor. Mestranol is a biologically inactive prodrug of ethinylestradiol to which it is demethylated in the liver with a conversion efficiency of 70%. Estrogens diffuse into their target cells and interact with a protein receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Estrogens increase the hepatic synthesis of sex hormone binding globulin (SHBG), thyroid-binding globulin (TBG), and other serum proteins and suppress follicle-stimulating hormone (FSH) from the anterior pituitary. The combination of an estrogen with a progestin suppresses the hypothalamic-pituitary system, decreasing the secretion of gonadotropin-releasing hormone (GnRH).
This combination hormone medication is used to prevent pregnancy. It contains 2 hormones: a progestin and an estrogen. It works mainly by preventing the release of an egg (ovulation) during your menstrual cycle. It also makes vaginal fluid thicker to help prevent sperm from reaching an egg (fertilization) and changes the lining of the uterus (womb) to prevent attachment of a fertilized egg. If a fertilized egg does not attach to the uterus, it passes out of the body.
Besides preventing pregnancy, birth control pills may make your periods more regular, decrease blood loss and painful periods, decrease your risk of ovarian cysts, and also treat acne.
Using this medication does not protect you or your partner against sexually transmitted diseases (such as HIV, gonorrhea, chlamydia).
Product name Mestranol
Other name 2-Methyl-4-trimethylsilyl-3-butyn-2-ol
Other name: 2-Methyl-4-trimethylsilyl-3-butyn-2-ol CAS No 72-33-3
MW 156.2975
Specification USP
Purity 98%

Payment method: Escrow, Western Union, Paypal, TT, L/C.
Shipping method: Fedex, DHL, EMS or by SEA
Delivery time: within 3days after payment, 7-10days to arrive.

Our process:
1) Contact me about what you need and your quantity, we will quoted you details.
2) Finish the payment.
3) We will arrange to send parcel out within 3days after payment, when tracking number updates, we will you.
4) Parcel delivered.

Our advantages:
1. Quality: Our company is a professional production of hormone intermediates for many years, our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other country, and we have got very good feedback from our customers, you can trust us.

2. Payment method: Western Union, MoneyGram, TT, Escrow, Paypal.

3. Service: Best service with after-sales service to all clients.

4. Delivery: Package will be shipped with 3days after payment. We can send it via HKems, EMS, HK Air Post, DHL or other method. We have a professional and stable logistics, and we can deliver the package smoothly around 3 to 5 days.

Company Information

We are experienced pharmaceutical supplier. We have been selling our products to all over the world and our worldwide buyers are getting handsome profits by doing business with us.

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