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Home > Pharmaceutical Intermediates > Blood Glucose Regulators > 21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione for Sale > 21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione CAS 19608-29-8
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21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione CAS 19608-29-8

TDS 44 Inquiries

Unit Price:

$8-10/G FOB

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CAS No.:

19608-29-8

Grade:

Pharmaceutical Grade

Content:

99.99%

Port:

shanghai

Brand:

Orient

Packaging:

Vial/Bottle/Bag/Carton

Sample Available:

Yes

Price valid (until):

2029-12-31

Company Type:
Trader
Location:
China
Payment Terms:
100% TT in advance
Average Lead Time:
10 days
Qualification:
Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

  • Product Details

  • Seller Information

  • Inquiry History

  • Description


    

    Properties

    Boiling point: 538.9±50.0°C (Predicted) Density: 1.19 Storage condition: Store at -20°C Solubility: Soluble in dimethyl sulfoxide Form: Powder pKa: 12.98±0.10 (Predicted) Color: White to pale yellow InChIKey: GPNHMOZDMYNCPO-PDUMRIMRSA-N SMILES: C1(=O)C=C2C@(CC1)[C@]1([H])C@([C@@]3([H])C@@(C)C@@(C(=O)CO)CC3)CC2

    Uses and Synthesis Method

    Uses: 21-hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione, used as organic synthesis intermediate and chemical research intermediate. It is used for signal transduction pathway related research.

    Biological Activity: Clascoterone (Winlevi, Cortexolone 17alpha-propionate, Cortexolone 17α-propionate, CB-03-01) is a selective antagonist of androgen receptor (AR), used for laboratory biochemical research.

    Target: AR

    Synthesis: Take 17α,21-dipropionate as starting material, lipase from Candida rugosa is adopted. Toluene is used as solvent, lipase-catalyzed chemoselective alcoholysis reaction is carried out. Reaction conditions: n-butanol is used as acyl acceptor. In this step, 17α,21-dipropionate is converted into clascoterone (XV), with the yield of 99%.

    Safety Information

    WGK Germany: WGK 3 Storage classification: 11 - Combustible solids

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    ECHEMI Editorial Reference
    Cortexolone 17 alpha-propionate(CB-03-01) is a new topical and peripherally selective androgen antagonist. IC50 value:Target: Androgen ReceptorCortexolone 17 alpha-propionate (CB-03-01) is a new potent topical antiandrogen potentially useful in acne vulgaris. CB-03-01 1% cream was very well tolerated, and was significantly better than placebo regarding TLC (P = 0·0017), ILC (P = 0·0134) and ASI (P = 0·0090), and also clinically more effective than comparator. The product also induced a f
    Clascoterone (cortexolone 17α-propionate, CB-03-01) is a novel antagonist of androgen receptors. It binds to androgen receptors with high affinity. By competing with androgens for binding to androgen receptors, clascoterone works by blocking the androgen receptor signalling cascades that promote acne pathogenesis, such as sebaceous gland proliferation, excess sebum production, and inflammatory pathways. In August 2020, FDA approved clascoterone for the first-in-class topical treatment of acne (acne vulgaris) in male and female patients 12 years and older. Clascoterone is also being investigated as a novel treatment for androgenetic alopecia.|Clascoterone is an Androgen Receptor Inhibitor. The mechanism of action of clascoterone is as an Androgen Receptor Antagonist.

    Certificates

    Basic Info
    Product Name:

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    Other Name:

    Pregn-4-ene-3,20-dione,21-hydroxy-17-(1-oxopropoxy)-;Pregn-4-ene-3,20-dione,17,21-dihydroxy-,17-propionate;21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione;Clascoterone;Winlevi

    CAS No.:

    19608-29-8

    Molecular Formula:

    C24H34O5

    InChIKeys:

    InChIKey=GPNHMOZDMYNCPO-PDUMRIMRSA-N

    Molecular Weight:

    402.52

    Exact Mass:

    402.52

    EC Number:

    1533716-785-6

    UNII:

    XN7MM8XG2M

    DSSTox ID:

    DTXSID10471883

    Characteristics
    PSA:

    80.67000

    XLogP3:

    3.76

    Density:

    1.2±0.1 g/cm3

    Boiling Point:

    538.9±50.0 °C at 760 mmHg

    Flash Point:

    179.3±23.6 °C

    Refractive Index:

    1.555

    Hazard Identification

    Classification of the substance or mixture

    Germ cell mutagenicity, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H341 Suspected of causing genetic defects

    Precautionary statement(s)
    Prevention

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

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

    Response

    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,peptides,electronic chemicals

    Location:

    Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

    Payment Terms:

    100% TT in advance

    Average lead Time:

    10 days

    Total Annual Revenue:

    $10 million-$25 million

    Total Employees:

    51-100

    Year of Establishment:

    2024

    A reliable supplier is like insurance.

    We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals,food additives, and other fine chemical products.
    Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

    Website: orientchem.cc
    Email: scarlett@orientchem.cc
    WhatsApp: +86 17753254221

  • Inquiry History
    44 Inquiries
    Country Product Purchase Quantity Date Posted
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    1 KG Oct 24, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    1 KG Oct 24, 2026
    Canada

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    5 G Oct 23, 2026
    Canada

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    3 G Oct 23, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    150 G Oct 19, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    10 G Oct 17, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    1 MT Oct 16, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    100 G Oct 15, 2026
    Poland

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    100 KG Oct 13, 2026
    Turkey

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    3 G Oct 12, 2026
    Hungary

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    1 MT Oct 11, 2026
    United States

    Multi-Product Research Chemical Bulk Sourcing Inquiry

    2.6 KG Oct 8, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    50 G Sep 30, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    10 G Sep 27, 2026
    United States

    21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione

    50 G Sep 22, 2026
    United States

    Clascoterone

    20 G Sep 6, 2026
    United States

    clascosterone

    100 G Aug 28, 2026
    Taiwan, China

    Clascoterone

    50 G Jul 28, 2026
    Bangladesh

    Clascoterone

    1 KG Jul 21, 2026
    United States

    Clascoterone

    25 G Jul 20, 2026
    Post an enquiry for this product
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