Date published: 2025-10-19

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Ostarine (CAS 841205-47-8)

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Alternate Names:
Ostarine is also known as Enobosarm.
Application:
Ostarine is a selective modulator to human androgen receptor with anabolic activity, mimicking testosterone′s action.
CAS Number:
841205-47-8
Molecular Weight:
389.33
Molecular Formula:
C19H14F3N3O3
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ostarine is a selective androgen receptor modulator (SARM) with anabolic activity. It is designed to work like testosterone. The selective anabolic effects of Ostarine are supported by a lack of PSA increases in men and hair growth in women. It has an ED50 of 0.44 mg/day. Ostarine (MK-2866) also resulted in a dose-dependent decrease in LDL and HDL cholesterol levels, with the average LDL/HDL ratio for all doses remaining in the low cardiovascular risk catergory. At the concentration of 10 nM, it modulates the transcriptional activity of AR in CV-1 cells cotransfected with a human AR expression vector, a luciferase reporter vector, and a control β-galactosidase vector, with 94%-100% relative activity of the transcriptional activation observed for 1 nM DHT.


Ostarine (CAS 841205-47-8) References

  1. The para substituent of S-3-(phenoxy)-2-hydroxy-2-methyl-N-(4-nitro-3-trifluoromethyl-phenyl)-propionamides is a major structural determinant of in vivo disposition and activity of selective androgen receptor modulators.  |  Kim, J., et al. 2005. J Pharmacol Exp Ther. 315: 230-9. PMID: 15987833
  2. Unexpected binding orientation of bulky-B-ring anti-androgens and implications for future drug targets.  |  Duke, CB., et al. 2011. J Med Chem. 54: 3973-6. PMID: 21506597
  3. Miscellaneous agents--cytotoxics and hormonal agents.  |  Gerber, DE. 2012. J Thorac Oncol. 7: S387-9. PMID: 23160328
  4. Computer-aided (in silico) approaches in the mode-of-action analysis and safety assessment of ostarine and 4-methylamphetamine.  |  Mohd Fauzi, F., et al. 2013. Hum Psychopharmacol. 28: 365-78. PMID: 23881885
  5. Absorption, distribution, metabolism and excretion of the novel SARM GTx-024 [(S)-N-(4-cyano-3-(trifluoromethyl)phenyl)-3-(4-cyanophenoxy)-2-hydroxy-2-methylpropanamide] in rats.  |  Kim, J., et al. 2013. Xenobiotica. 43: 993-1009. PMID: 24074268
  6. Selective androgen receptor modulators for the prevention and treatment of muscle wasting associated with cancer.  |  Dalton, JT., et al. 2013. Curr Opin Support Palliat Care. 7: 345-51. PMID: 24189892
  7. Enobosarm (GTx-024, S-22): a potential treatment for cachexia.  |  Srinath, R. and Dobs, A. 2014. Future Oncol. 10: 187-94. PMID: 24490605
  8. Therapies for musculoskeletal disease: can we treat two birds with one stone?  |  Girgis, CM., et al. 2014. Curr Osteoporos Rep. 12: 142-53. PMID: 24633910
  9. Evaluation of ostarine as a selective androgen receptor modulator in a rat model of postmenopausal osteoporosis.  |  Hoffmann, DB., et al. 2019. J Bone Miner Metab. 37: 243-255. PMID: 29785666
  10. The Selective Androgen Receptor Modulator Ostarine Improves Bone Healing in Ovariectomized Rats.  |  Komrakova, M., et al. 2020. Calcif Tissue Int. 106: 147-157. PMID: 31531719
  11. Effect of ostarine (enobosarm/GTX024), a selective androgen receptor modulator, on adipocyte metabolism in Wistar rats.  |  Leciejewska, N., et al. 2019. J Physiol Pharmacol. 70: PMID: 31642815
  12. Elimination profiles of microdosed ostarine mimicking contaminated products ingestion.  |  Walpurgis, K., et al. 2020. Drug Test Anal. 12: 1570-1580. PMID: 32959982
  13. Ostarine and Ligandrol Improve Muscle Tissue in an Ovariectomized Rat Model.  |  Roch, PJ., et al. 2020. Front Endocrinol (Lausanne). 11: 556581. PMID: 33042018
  14. Ostarine attenuates pyocyanin in Pseudomonas aeruginosa by interfering with quorum sensing systems.  |  Dong, L., et al. 2021. J Antibiot (Tokyo). 74: 863-873. PMID: 34480092
  15. Ostarine-Induced Myogenic Differentiation in C2C12, L6, and Rat Muscles.  |  Leciejewska, N., et al. 2022. Int J Mol Sci. 23: PMID: 35457222

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ostarine, 5 mg

sc-364559
5 mg
$270.00

Ostarine, 50 mg

sc-364559A
50 mg
$1549.00

Ostarine, 1 kg

sc-364559B
1 kg
$9180.00

What is the recommended dosage 

Asked by: Willow
Thank you for your question. Santa Cruz Biotechnology products are not for diagnostic use.
Answered by: BlakeJ
Date published: 2023-03-21
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Rated 5 out of 5 by from Great shopping experienceThe item perfectly meets our expectations and it was delivered in time.
Date published: 2023-01-25
Rated 5 out of 5 by from Various publications cite ostarine as a modulatorVarious publications cite ostarine as a modulator of androgen receptor transcription. -SCBT Publication Review
Date published: 2015-01-12
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Ostarine is rated 5.0 out of 5 by 2.
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