Date published: 2025-12-3

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Finasteride (CAS 98319-26-7)

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Alternate Names:
MK 906
Application:
Finasteride is an antiandrogen that inhibits 5α-Reductase 2
CAS Number:
98319-26-7
Molecular Weight:
372.55
Molecular Formula:
C23H36N2O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Finasteride is a synthetic 4-azasteroid antiandrogen compound. This specifically inhibits 5alpha-Reductase 2, an intracellular enzyme that converts the androgen testosterone into 5alpha dihydrotestosterone (DHT). Finasteride inhibits 5alpha-reductase activity in epithelium for Ki of 10nM, significantly lower than in stroma (Ki = 33nM). Finasteride is an inhibitor of 5alpha-Reductase 1.


Finasteride (CAS 98319-26-7) References

  1. Four-amino acid segment in steroid 5 alpha-reductase 1 confers sensitivity to finasteride, a competitive inhibitor.  |  Thigpen, AE. and Russell, DW. 1992. J Biol Chem. 267: 8577-83. PMID: 1314830
  2. Comparison of the pharmacological effects of a novel selective androgen receptor modulator, the 5alpha-reductase inhibitor finasteride, and the antiandrogen hydroxyflutamide in intact rats: new approach for benign prostate hyperplasia.  |  Gao, W., et al. 2004. Endocrinology. 145: 5420-8. PMID: 15308613
  3. Studies on neurosteroids XXV. Influence of a 5alpha-reductase inhibitor, finasteride, on rat brain neurosteroid levels and metabolism.  |  Mukai, Y., et al. 2008. Biol Pharm Bull. 31: 1646-50. PMID: 18758053
  4. Finasteride inhibited brain dopaminergic system and open-field behaviors in adolescent male rats.  |  Li, L., et al. 2018. CNS Neurosci Ther. 24: 115-125. PMID: 29214729
  5. Finasteride inhibits melanogenesis through regulation of the adenylate cyclase in melanocytes and melanoma cells.  |  Seo, JO., et al. 2018. Arch Pharm Res. 41: 324-332. PMID: 29397551
  6. Repeated finasteride administration induces depression-like behavior in adult male rats.  |  Sasibhushana, RB., et al. 2019. Behav Brain Res. 365: 185-189. PMID: 30836157
  7. Development of finasteride polymer microspheres for systemic application in androgenic alopecia.  |  Kim, JH., et al. 2019. Int J Mol Med. 43: 2409-2419. PMID: 30942390
  8. Finasteride-Induced Inhibition of 5α-Reductase Type 2 Could Lead to Kidney Damage-Animal, Experimental Study.  |  Baig, MS., et al. 2019. Int J Environ Res Public Health. 16: PMID: 31100850
  9. Protective effects of finasteride against testosterone-induced calcium oxalate crystallization and crystal-cell adhesion.  |  Sueksakit, K. and Thongboonkerd, V. 2019. J Biol Inorg Chem. 24: 973-983. PMID: 31342142
  10. The effect of finasteride and dutasteride on the synthesis of neurosteroids by glioblastoma cells.  |  Pinacho-Garcia, LM., et al. 2020. Steroids. 155: 108556. PMID: 31866547
  11. Paternal Finasteride Treatment Can Influence the Testicular Transcriptome Profile of Male Offspring-Preliminary Study.  |  Kolasa, A., et al. 2021. Curr Issues Mol Biol. 43: 868-886. PMID: 34449557
  12. Does treatment with dutasteride or finasteride has impact on renal morphology? Experimental study.  |  Silva, MHAD., et al. 2021. Acta Cir Bras. 36: e360703. PMID: 34550196
  13. Gut Inflammation Induced by Finasteride Withdrawal: Therapeutic Effect of Allopregnanolone in Adult Male Rats.  |  Diviccaro, S., et al. 2022. Biomolecules. 12: PMID: 36358917

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Finasteride, 50 mg

sc-203954
50 mg
$103.00