5 alpha Reductase Inhibitor

Finasteride (MK-906) is an orally active and competitive 5α-reductase inhibitor, with an IC₅₀ of 4.2 nM for type II 5α-reductase. Finasteride has approximately a 100-fold greater affinity for type II 5α-reductase enzyme than for the type I enzyme. Finasteride can be used for the research of benign prostatic hyperplasia (BPH) and androgenic alopecia.

Dutasteride (GG745) is a potent inhibitor of both 5α-reductase isozymes. Dutasteride may possess off-target effects on the androgen receptor (AR) due to its structural similarity to DHT.

Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.

Germacrone is a sesquiterpene compound with multiple biological activities. Germacrone inhibits the H1N1 and H3N2 influenza A virus and the influenza B virus. Germacrone blocks the progressionof arthritis by regulating Th1/Th2 balance and inhibiting NF-κB signaling. Germacrone can arrest the cell cycle at G0/G1 and G2/M phases and induce apoptosis in breast cancer cells. Germacrone inhibits 5α-reductase and has anti-androgenic effect. Germacrone has neuroprotective functions and can be used for the study of traumatic brain injury (TBI). Germacrone also has antioxidant activity.

Jioglutolide is a cyclopentane monoterpene and weak testosterone 5α-reductase inhibitor. Jioglutolide is isolated from steamed roots of Rehmannia glutinosa var. hueichingensis. Jioglutolide is applicable to research on allergies, anemia, diabetes, and menopause-related conditions.

Epristeride-d₉ (ONO-9302-d₉) is the deuterium labeled Epristeride (HY-107385). Epristeride (ONO-9302) is a selective, specific and orally active uncompetitive inhibitor of human steroid 5 alpha-reductase isoform 2. Epristeride has inhibitory effects for SR isoenzymes types 2 with K_i value of 0.7-2 nM. Epristeride can be used for the research of prostatic hyperplasia and acne.

Stigmasterol glucoside is a sterol compound and a 5α-reductase inhibitor with an IC₅₀ value of 27.2 µM. Stigmasterol glucoside has certain anti-inflammatory, antioxidant, and anti-tumor activities.

SRD5A1-IN-1 (Compound 4) is a competitive and covalent steroid 5α-reductase type 1 (SRD5A1) inhibitor with an IC₅₀ of 1.44 µM. SRD5A1-IN-1 modulates SRD5A1 function, leading to a lower level of dihydrotestosterone (DHT) production and SRD5A1 protein suppression.

Epristeride (ONO-9302) is a selective, specific and orally active uncompetitive inhibitor of human steroid 5 alpha-reductase isoform 2. Epristeride has inhibitory effects for SR isoenzymes types 2 with K_i value of 0.7-2 nM. Epristeride can be used for the research of prostatic hyperplasia and acne.

Alpha-Estradiol (Standard) is the analytical standard of Alpha-Estradiol. This product is intended for research and analytical applications. Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.

17,17-(Ethylenedioxy)androst-4-en-3-one (4- androstene- 3, 17- dione- 17- cyclic ethylene ketal) is an effective ingredient in cosmetics, which can be used for acne and promote hair growth research. 17,17-(Ethylenedioxy)androst-4-en-3-one can inhibit the reductase activity and inhibit the bond of a receptor protein and 5α-DHT.

Germacrone (Standard) is an analytical standard of Gemmacrone (HY-N0440). This product is intended for research and analytical applications. Germacrone (Standard) is a sesquiterpene compound with multiple biological activities. Germacrone (Standard) inhibits the H1N1 and H3N2 influenza A viruses and the influenza B virus. Germacrone (Standard) blocks the progressionof arthritis by regulating Th1/Th2 balance and inhibiting NF-κB signaling. Germacrone (Standard) can arrest the cell cycle at G0/G1 and G2/M phases and induce apoptosis in breast cancer cells. Germacrone (Standard) inhibits 5α-reductase and has anti-androgenic effect. Germacrone (Standard) has neuroprotective functions and can be used for the study of traumatic brain injury (TBI). Germacrone (Standard) also has antioxidant activity.

12-O-Methylcarnosic acid (12-Methoxycarnosic acid), a diterpene carnosic acid isolated from the acetone extract of Salvia microphylla, is an active constituent of 5α-reductase inhibition with an IC₅₀ value of 61.7 μM. 12-O-Methylcarnosic acid inhibits proliferation in LNCaP cells. 12-O-Methylcarnosic acid has antioxidant, anti-cancer and antimicrobial activity.

Alpha-Estradiol-d₂ is the deuterium labeled Alpha-Estradiol. Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.

Lapisteride (CS 891) is an orally active 5α-reductase inhibitor. Lapisteride can inhibit 5α-reductaseactivity in the hair follicles (HF). Lapisteride can be used in prostatic hyperplasia and androgenic alopecia research.

Finasteride-d₉ is deuterium labeled Finasteride. Finasteride (MK-906) is a potent and competitive 5α-reductase inhibitor, with an IC₅₀ of 4.2 nM for type II 5α-reductase. Finasteride has approximately a 100-fold greater affinity for type II 5α-reductase enzyme than for the type I enzyme. Finasteride can be used for the research of benign prostatic hyperplasia (BPH) and androgenic alopecia.

CGP-53153 is a steroidal inhibitor of 5 alpha reductase with IC₅₀s of 36 and 262 nM in rat and human prostatic tissue, respectively.

Dutasteride (Standard) is the analytical standard of Dutasteride. This product is intended for research and analytical applications. Dutasteride (GG745) is a potent inhibitor of both 5α-reductase isozymes. Dutasteride may possess off-target effects on the androgen receptor (AR) due to its structural similarity to DHT.

Izonsteride (Compound LY320236) is an inhibitor of 5α-reductase (IC₅₀ = 11.6 nM for type I; 7.37 nM for type II). LY320236 inhibits the activity of steroid 5α-reductase, preventing the conversion of testosterone (T) to dihydrotestosterone (DHT). LY320236 can significantly inhibit the growth of LNCaP tumors in thymic mice without exhibiting obvious host toxicity.

12-O-Methylcarnosic acid (Standard) is the analytical standard of 12-O-Methylcarnosic acid. This product is intended for research and analytical applications. 12-O-Methylcarnosic acid (12-Methoxycarnosic acid), a diterpene carnosic acid isolated from the acetone extract of Salvia microphylla, is an active constituent of 5α-reductase inhibition with an IC₅₀ value of 61.7 μM. 12-O-Methylcarnosic acid inhibits proliferation in LNCaP cells. 12-O-Methylcarnosic acid has antioxidant, anti-cancer and antimicrobial activity.