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Ethinyl Estradiol   RC06934 buy - large image1
Ethinyl Estradiol   RC06934 buy - image1

Ethinyl Estradiol RC06934

4 Inquiries

Unit Price:

$1/KG EXW

Get Latest Price
CAS No.:

57-63-6

Grade:

Pharmaceutical Grade

Content:

99%

Brand:

Royalchem

Packaging:

25kg/drum

Sample Available:

Yes

Price valid (until):

2030-01-01

Company Type:
Trader
Location:
China
Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance
Average Lead Time:
14 days
Qualification:
Main Products:

Pharmaceutical intermediates

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Manufacturer: Hangzhou Royalchem Co.,LTD.
    Website:  www.cnroyalchem.com 
    Hangzhou Royalchem Co., Ltd. was founded by a senior team with profound professional backgrounds in the chemical field, focusing on providing comprehensive chemical products and services. Its business scope covers a wide range, including the sales of core chemical products such as pharmaceutical raw materials and intermediates, food/feed additives, specialty chemicals, dyes & pigments, new catalytic materials, chemical reagents, engineering plastics and synthetic resins. It also engages in the sales of daily chemicals, containers, and import-export business, meeting the needs of clients across multiple sectors. Leveraging the technical accumulation of its professional team and strict quality control, the company has established a stable cooperation network in domestic and international markets. It not only provides high-quality raw material support for industries but also promotes global chemical resource circulation through import-export operations. Adhering to the philosophy of "win-win cooperation," Hangzhou Royalchem Co., Ltd. takes professionalism and integrity as its cornerstone, and sincerely looks forward to working with global partners to drive high-quality development in the chemical industry.

    Hangzhou Royalchem Co., Ltd.  Is focus on services on CMO & CDMO
    Esterification, saponification, hydrolysis, alkylation, halogenation, acetylation, pressurized hydrogenation, and other reactions .

    Preparation and separation of various impurities .

    Development of preparation and purification production processes, salt conversion, liquid preparation post-treatment, etc.

    Items Specifications






    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:

    Trader

    Main Products:

    Pharmaceutical intermediates

    Location:

    Room 336, Building 7, No. 177 Xingqiao North Road, Xingqiao Street, Linping District, Hangzhou

    Payment Terms:

    TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    14 days

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2025

  • Inquiry History
    4 Inquiries
    Country Product Purchase Quantity Date Posted
    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
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