99% Purity CAS 57-63-6 Ethynyl Estradiol Wholesale Price COM

• Type: Intermediate
• Appearance: Powder
• Grade Standard: Medicine Grade
• kaynama noktası: 760 mmhg′de 457.2 ± 45.0°c
• moleküler ağırlık: 296.403
• moleküler formül: c20 h24o2
• Hayır. Modeli.: white powde
• erime noktası: 182-183°c (yanar.)
• Taşıma Paketi: Foil Bag or Drum
• Teknik Özelikler: 99%
• Ticari Marka: Gu Yun
• Menşei: China
• HS Kodu: 2937290090
• Üretim Kapasitesi: 1000kg/Month

Ürün Açıklaması

Product Introduction:
Ethynyl estradiol is a bioactive estrogen

Estradiol (estradiol), also known as "estrogen", "couture hormone". There are two types, alpha and beta, one type of estrogen. The most content and the strongest activity. Secreted by granulosa cells of ovarian follicles. Its metabolites are estrone and estriol. Contains 18 carbon atoms. Its target organs are the uterus, vagina, fallopian tubes and pituitary gland. Can be used as a transdermal estrogen therapy. Supplements the lack of 17-beta estradiol secreted by women's ovaries, while avoiding side effects caused by oral administration (breast pain, weight gain, high blood pressure, gallstones and abnormal liver function, etc.). Estrogen can prompt cells to synthesize DNA, RNA and various proteins in corresponding tissues


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FAQ
Q1 Will you provide samples to test the quality?
A: For most products, samples can be provided free of charge for testing, but the customer is responsible for shipping the samples to the destination.

Q2 Are there any discounts?
A:Yes, we always support more favorable prices for larger quantities. The more you order, the cheaper it will be.

Q3 How do you deal with quality complaints?
A:First of all, our strict control of quality is to avoid such problems. If the quality problem is really caused by us, we will replace the product for you free of charge or refund your loss.

Q4 How to guarantee the quality of bulk goods?
A:We will sign clear quality standards and after-sales service in the contract, and carry out strict sampling and testing of the goods. The sampling process is carried out in accordance with the international proportion. If the customer has the demand, we will fully cooperate with the third-party testing company to test the goods again. Our business philosophy is integrity, the principle is to do long-term business, so we will be highly responsible for the quality of each large product of each customer.

Q5 I've already been lied to. How can I trust you?
A:We understand your concerns and are well aware of the chaos in the current market. As an employee, I joined this company because of its integrity management philosophy. Our company can provide you with the registration information of industry and commerce, taxation, banking, commerce bureau and customs, as well as the information of legal persons and shareholders. For internal testing and any third-party testing, you or your friends in China are also welcome to visit our company, we can also video confirm with you for every link of the order, and do anti-counterfeiting seals on the goods.

Q6 Is cash on delivery OK?
A:We only target customers who have cooperated with us for morethan 5 times and the cumulative amount is more than 300,000 USdollars, and when we cooperate again, this kind of customers canpay 90% of the total amount according to the payment beforeshipment, and the final payment will be paid within 5 working daysafter the arrival of the goods.