Product
Supplier
Encyclopedia
Inquiry
Home > Active Pharmaceutical Ingredients > Hormones and the Endocrine System > Ethinyl Estradiol for Sale > Ethynyl estradiol USP Hormone API made in china
Ethynyl estradiol USP Hormone API made in china buy - large image1
Ethynyl estradiol USP Hormone API made in china buy - image1

Ethynyl estradiol USP Hormone API made in china

5 Inquiries

Unit Price: Get Latest Price
CAS No.:

57-63-6

Sample Available:

Yes

Price valid (until):

2026-11-04

Company Type:
Manufactory
Location:
China
Payment Terms:
TT against copy of documents,L/C
Average Lead Time:
7 days
Qualification:
Main Products:

D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

  • Product Description

  • Seller Information

  • Inquiry History

  • Description
    Keywords

    Ethynyl estradiol

    estradiol

    Hormone

    Quick Details
    ProName:

    Ethynyl estradiol USP Hormone API made in china

    CasNo:

    57-63-6

    Molecular Formula:

    C20H24O2

    Appearance:

    white crystalline powder

    Application:

    used in medicine

    DeliveryTime:

    prompt shipment

    PackAge:

    25kg/drum or as required

    Port:

    China main port

    ProductionCapacity:

    Metric Ton/Day

    Purity:

    ≥97.0%

    Storage:

    Room temperature

    Transportation:

    by sea by air express

    LimitNum:

    5 Kilogram

    Superiority
    USP standard
    Details
    ECHEMI Editorial Reference
    Ethynyl estradiol is an orally bio-active estrogen used in almost all modern formulations of combined oral contraceptive pills.Target: Estrogen ReceptorEthinyl estradiol (EE), also sometimes written as ethinylestradiol, ethynyl estradiol, or ethinyl estradiol, is a derivative of 17β-estradiol (E2), the major endogenous estrogen in humans. EE is an orally bioactive estrogen used in many formulations of combined oral contraceptive pills. It is one of the most commonly used medications for
    Ethynyl estradiol (EE) is a synthetic form of estrogen that is majorly employed in numerous hormonal contraceptives in combination with progestins. Occasionally, it is also used as a constituent of menopausal hormone therapy with combination with progestins for treating menopausal symptoms. Previously, the drug was used solely for numerous indications such as treatment of prostate cancer and gynecological disorders.Ethynyl estradiol is a semisynthetic alkylated estradiol with a 17-alpha-ethinyl substitution. It is normally administred orally and is marketed mostly as a combination oral contraceptive under various brand names such as Alesse, Tri-cyclen, Yasmin, and Triphasil. A black box warning is normally labelled on the packaging that states that the drug should not be used in smoking women who are over 35 years old as it can lead to increased risk of serious cardiovascular side effects.
    Off-White to Light-Yellow Crystalline Powder
    Ethinylestradiol is a white to creamy-white powder. Odorless.
    ChEBI: A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration.

    Basic Info
    Product Name:

    Ethinyl Estradiol

    Other Name:

    ETHINYL ESTRADIOL;LYNORAL;19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17ALPHA-DIOL;19-NOR-1,3,5[10],17ALPHA-PREGNATRIEN-20-YNE-3,17-DIOL;1,3,5(10)-ESTRATRIEN-17-ALPHA-ETHYNYL-3,17-BETA-DIOL;ACETENYL ESTRADIOL;17ALPHA-ETHYNYL-DELTA1,3,5(10)-ESTRA-TRIENE-3,17BETA-DIOL;17ALPHA-ETHYNYLESTRADIOL

    CAS No.:

    57-63-6

    Molecular Formula:

    C20H24O2

    InChIKeys:

    BFPYWIDHMRZLRN-SLHNCBLASA-N

    Molecular Weight:

    296.41

    Exact Mass:

    296.40

    BRN:

    2419975

    EC Number:

    200-342-2

    TSCA:

    TSCA listed

    Color/Form:

    White to Light yellow to Light orange

    HScode:

    29372390

    Characteristics
    PSA:

    40.46000

    XLogP3:

    3.7

    Appearance:

    Ethinylestradiol is a fine white to creamy white powder. A synthetic steroid. Used in combination with progestogen as an oral contraceptive.

    Density:

    1.0944 (rough estimate)

    Melting Point:

    182-183 °C(lit.)

    Boiling Point:

    378°C (rough estimate)

    Flash Point:

    211.2ºC

    Refractive Index:

    -30 ° (C=0.4, Pyridine)

    Water Solubility:

    0.0113 mg/mL at 27 °C

    Storage Conditions:

    Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition so

    Vapor Pressure:

    1.95X10-9 mm Hg at 25 deg C (est)

    Toxicity:

    LD50 oral in rat: 960mg/kg

    Specific rotation:

    Specific optical rotation: 3.5 deg at 24 °C/D (c = 2 in dioxane); -29.5 deg at 24 °C/D (c = 2 in pyridine)

    Odor:

    Odorless

    PKA:

    pKa 10.32 (Uncertain)

    Henrys Law Constant:

    1.2×106mol/(m3Pa) at 25℃, HSDB (2015)

    Air and Water Reactions:

    Air and light sensitive . Insoluble in water.

    Reactivity Profile:

    Ethynyl estradiol may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to generate gaseous hydrogen.

    Critical Temperature & Pressure:

    room temp

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Carcinogenicity, Category 1B

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H302 Harmful if swallowed

    H350 May cause cancer

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P203 Obtain, read and follow all safety instructions before use.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P318 IF exposed or concerned, get medical advice.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

    Location:

    1613 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China.

    Payment Terms:

    TT against copy of documents,L/C

    Average lead Time:

    7 days

    Total Annual Revenue:

    $25 million-$50 million

    Total Employees:

    11-50

    Year of Establishment:

    2011

    Dawn Ray is a R&D and process improvement company,which is located in Hangzhou, Zhejiang province,China.We are dealing in multi-application of pharmaceuticals(APIs),antibiotics,food additives,peptides and plant extracts.

    Dawn Ray has a wide range of products from milligram up to thousands of kilogram quantities.We are also increasing our breed all the time.Our products have been exported all over the world and have a good reputation.

    Dawn Ray promises that we can offer you qualified products and excellent service in good prices.Our aim is "Best goods,best service".We sincerely invite customers from all over the world to visit our company,establish business relations and both get win.

    Process Capacity: Synthetic,Ferment,extract

    After-sale Service:24 hours on skype for business

  • Inquiry History
    5 Inquiries
    Country Product Purchase Quantity Date Posted
    Australia

    Ethinyl Estradiol

    2 MT Sep 30, 2026
    Pakistan

    Ethinyl estradiol

    150 G Jan 24, 2026
    Bangladesh

    Ethinyl Estradiol

    100 KG Aug 19, 2026
    Bangladesh

    Ethinyl Estradiol

    100 KG Aug 19, 2026
    Jordan

    Ethinyl Estradiol

    1 KG Aug 29, 2024
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.