Cas no 1173-26-8 (Corticosterone 21-Acetate)

Corticosterone 21-Acetate is a synthetic corticosteroid derivative, commonly utilized in biochemical and pharmacological research. This compound is the 21-acetate ester of corticosterone, enhancing its stability and lipophilicity compared to the parent molecule. It serves as a valuable intermediate in steroid synthesis and is employed in studies investigating glucocorticoid receptor interactions, adrenal function, and stress response mechanisms. The acetate modification improves its solubility in organic solvents, facilitating experimental handling. Researchers favor Corticosterone 21-Acetate for its consistent purity and well-characterized properties, making it a reliable standard in analytical applications such as HPLC and mass spectrometry. Its utility extends to in vitro models exploring corticosteroid metabolism and signaling pathways.
Corticosterone 21-Acetate structure
Corticosterone 21-Acetate structure
Product Name:Corticosterone 21-Acetate
CAS No:1173-26-8
MF:C23H32O5
MW:388.497187614441
MDL:MFCD00010482
CID:185964
PubChem ID:87566477
Update Time:2025-06-09

Corticosterone 21-Acetate Chemical and Physical Properties

Names and Identifiers

    • Pregn-4-ene-3,20-dione,21-(acetyloxy)-11-hydroxy-, (11b)-
    • 11Beta,21-Dihydroxy-4-Pregnene-3,20-Dione 21-Acetate
    • Corticosterone 21-Acetate
    • CORTICOSTERONE-21-ACETATE
    • [2-[(8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
    • 11β,21-Dihydroxy-4-pregnene-3,20-dione 21-Acetate
    • Cort A
    • Corticosterone acetate
    • SKF 5654
    • CORTICOSTERONE, 21-ACETATE
    • KN17U0V6BL
    • EINECS 214-635-8
    • NSC 81764
    • NSC81764
    • Corticosterone 21-acetate, VETRANAL(TM), analytical standard
    • Pregn-4-ene-3, 11.beta.,21-dihydroxy-, 21-acetate
    • Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-, (11beta)-
    • NS00044755
    • CHEBI:34141
    • 11.beta.,21-Dihydroxypregn-4-ene-3,20-dione acetate
    • Pregn-4-ene-3,20-dione, 11beta,21-dihydroxy-, 21-acetate
    • Pregn-4-ene-3, 21-(acetyloxy)-11-hydroxy-, (11.beta.)-
    • 2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
    • AKOS025294137
    • 11-beta,21-Dihydroxypregn-4-ene-3,20-dione acetate
    • 11beta,21-Dihydroxypregn-4-ene-3,20-dione 21-acetate
    • 2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthr
    • Pregn-4-ene-3,20-dione, 11.beta.,21-dihydroxy-, 21-acetate
    • WKQCPUMQBMFPLC-ZWFCQKKLSA-N
    • Q27115843
    • 21-O-Acetyl-corticosterone
    • UNII-KN17U0V6BL
    • AS-70575
    • A803750
    • Pregn-4-ene-3,20-dione, 11-beta,21-dihydroxy-, 21-acetate
    • 11.beta.,20-dione acetate
    • Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-, (11b)-
    • SCHEMBL635203
    • Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-, (11-beta)-
    • 11-Hydroxy-3,20-dioxopregn-4-en-21-yl acetate, (11.beta.)-
    • NSC-81764
    • WLN: L E5 B666 OV MUTJ A1 CQ E1 FV1OV1
    • 4-Pregnen-11.beta.,21-diol-3,20-dione-21-acetate
    • BRN 3225312
    • Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-, (11.beta.)-
    • DTXSID301020284
    • 1173-26-8
    • T70121
    • 11beta,21-Dihydroxypregn-4-ene-3,20-dione acetate
    • 11-Hydroxy-3,20-dioxopregn-4-en-21-yl acetate, (11beta)-
    • 4-08-00-02907 (Beilstein Handbook Reference)
    • 4-Pregnen-11beta,21-diol-3,20-dione-21-acetate
    • Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-, (11-beta)-(9CI)
    • MDL: MFCD00010482
    • Inchi: 1S/C23H32O5/c1-13(24)28-12-20(27)18-7-6-17-16-5-4-14-10-15(25)8-9-22(14,2)21(16)19(26)11-23(17,18)3/h10,16-19,21,26H,4-9,11-12H2,1-3H3/t16-,17-,18+,19-,21+,22-,23-/m0/s1
    • InChI Key: WKQCPUMQBMFPLC-ZWFCQKKLSA-N
    • SMILES: O[C@H]1C[C@]2(C)[C@@H](C(COC(C)=O)=O)CC[C@H]2[C@@H]2CCC3=CC(CC[C@]3(C)[C@H]21)=O
    • BRN: 3225312

Computed Properties

  • Exact Mass: 388.22500
  • Monoisotopic Mass: 388.22497412g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 28
  • Rotatable Bond Count: 4
  • Complexity: 739
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 7
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 15
  • XLogP3: 2.5
  • Topological Polar Surface Area: 80.7

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.0775 (rough estimate)
  • Melting Point: 147.0 to 152.0 deg-C
  • Boiling Point: 434.19°C (rough estimate)
  • Refractive Index: 1.6120 (estimate)
  • PSA: 80.67000
  • LogP: 3.23750
  • Merck: 2538
  • Solubility: Not determined

Corticosterone 21-Acetate Security Information

  • Hazard Category Code: 43
  • Safety Instruction: 36
  • Regulatory Condition Code:Class Q (sugars, alkaloids, antibiotics, hormones)
  • RTECS:GM7820000
  • Hazardous Material Identification: Xi
  • Risk Phrases:R43

Corticosterone 21-Acetate Pricemore >>

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Corticosterone 21-Acetate Related Literature

Additional information on Corticosterone 21-Acetate

Professional Introduction to Corticosterone 21-Acetate (CAS No. 1173-26-8)

Corticosterone 21-Acetate, a derivative of the naturally occurring steroid hormone corticosterone, is a compound of significant interest in the field of pharmaceutical chemistry and endocrinology. The chemical structure of Corticosterone 21-Acetate features an acetylated group at the 21-position, which modifies its pharmacokinetic properties and biological activity. With a CAS number of 1173-26-8, this compound has been extensively studied for its potential therapeutic applications, particularly in the modulation of inflammatory responses and immunomodulatory effects.

The synthesis of Corticosterone 21-Acetate involves a series of well-established organic reactions, including oxidation and acetylation processes. The precise modification at the 21-position enhances the stability and bioavailability of the compound, making it a valuable intermediate in the development of novel steroid-based drugs. Recent advancements in synthetic methodologies have improved the yield and purity of Corticosterone 21-Acetate, facilitating its use in both preclinical and clinical research.

In recent years, Corticosterone 21-Acetate has garnered attention for its role in investigating the mechanisms of steroid hormone action. Studies have demonstrated that this compound exhibits potent anti-inflammatory properties by inhibiting the production of pro-inflammatory cytokines such as TNF-α and IL-6. The ability to modulate these pathways makes Corticosterone 21-Acetate a promising candidate for treating chronic inflammatory diseases, including rheumatoid arthritis and inflammatory bowel disease.

Moreover, research has highlighted the potential of Corticosterone 21-Acetate in immunomodulatory therapies. Its selective action on immune cells has been observed to dampen excessive immune responses while preserving essential immune functions. This balance is crucial in developing treatments for autoimmune disorders such as multiple sclerosis and systemic lupus erythematosus. The compound's ability to interact with specific nuclear receptors, including glucocorticoid receptors, further underscores its therapeutic potential.

Another area of interest is the application of Corticosterone 21-Acetate in cancer research. Preliminary studies suggest that this derivative may exhibit antitumor effects by inducing apoptosis in cancer cells and inhibiting their proliferation. The acetylated form enhances its solubility and cell membrane permeability, allowing for more efficient delivery to target tissues. These findings open new avenues for developing steroid-based anticancer agents.

The pharmacokinetic profile of Corticosterone 21-Acetate has also been thoroughly examined. Its moderate bioavailability and longer half-life compared to native corticosterone make it a suitable candidate for oral administration. Additionally, its metabolic stability ensures prolonged activity within the body, reducing the frequency of dosing required. These attributes are critical for patient compliance and therapeutic efficacy.

In conclusion, Corticosterone 21-Acetate (CAS No. 1173-26-8) is a versatile compound with significant implications in pharmaceutical research and development. Its unique chemical structure and biological activity position it as a valuable tool in addressing various medical conditions, particularly those involving inflammation and immune dysregulation. As research continues to uncover new therapeutic applications, Corticosterone 21-Acetate is poised to play a pivotal role in shaping future treatments.

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