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male contraceptive

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By Targets:	Akt (1) CDK (1) Chloride Channel (2) DNA/RNA Synthesis (1) EGFR (1) Epigenetic Reader Domain (1) Estrogen Receptor/ERR (3) GnRH Receptor (1) HSP (1) Isotope-Labeled Compounds (1) Mitochondrial Metabolism (2) RAR/RXR (1) Reference Standards (2) RET (1) Ser/Thr Protease (1) STK33 (1)
By Research Areas:	Cancer (2) Endocrinology (6) Metabolic Disease (3)

Inhibitors & Agonists

Peptides

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-18996

Adjudin 4 Publications Verification AF-2364	Chloride Channel Mitochondrial Metabolism	Cancer
Adjudin is an extensively studied male contraceptive with a superior mitochondria-inhibitory effect. Adjudin is also a potent Cl ^- channel blocker.

HY-B0487

Ethisterone Pregneninolone; 17α-Ethynyltestosterone	Estrogen Receptor/ERR	Metabolic Disease
Ethisterone (Pregneninolone; 17α-Ethynyltestosterone) is a synthetic steroidal estrogen, is an orally active steroidal contraceptive agent. Ethisterone has almost no effect on the phagocytic activity of the reticuloendothelial system in male guinea pigs, while in utero exposure can induce abnormalities in the urogenital system of offspring .

HY-123035

Gamendazole	HSP Akt EGFR	Endocrinology
Gamendazole, an indazole carboxylic acid (ICA), is an orally active, selective HSP90AB1 (HSP90BETA) and EEF1A1 (eEF1A) inhibitor. Gamendazole binds to the C-terminal nucleotide binding pocket of HSP90 and cause downregulation of clients AKT1 and ERBB2, but stabilizes the HSP90 heterocomplex. Gamendazole specifically inhibits the actin bundling function of EEF1A1, but does not bind to the nucleotide docking pocket nor inhibits the ribosome charging or protein translation functions of EEF1A1. Gamendazole, an antispermatogenic compound with antifertility effects, has the potential for reversible non-hormonal male contraceptive agent research .

HY-162565

CDD-2807	STK33 CDK RET	Endocrinology
CDD-2807 is an inhibitor for serine/threonine kinase 33 (STK33) with IC₅₀ of 9.2 nM. CDD-2807 exhibits no significant toxicity in mice and can cross the blood-testis barrier without accumulating in the brain. CDD-2807 induces a reversible contraceptive effect and has potential for the development of the male contraceptive .

HY-164032

Dimethandrolone undecanoate 7α,11β-Dimethyl-17β-hydroxyestr-4-en-3-one 17-undecanoate	GnRH Receptor	Endocrinology
Dimethandrolone undecanoate (7α,11β-Dimethyl-17β-hydroxyestr-4-en-3-one 17-undecanoate) exhibits withrogens and progesterone activity. Dimethandrolone undecanoate inhibits production of gonadotropins, suppresses testosterone production, and thus inhibits sperm production. Dimethandrolone undecanoate is potent for development of male hormone contraceptives .

HY-177141

CDD-1154	Epigenetic Reader Domain	Endocrinology
CDD-1154 is an aminopyrimidine analog. CDD-1154 is a BRDT-BD2 inhibitor (IC₅₀: 139 nM). CDD-1154 is used in male contraceptive research .

HY-139741

cyclo(Phe-Ala-Gly-Arg-Arg-Arg-Gly-AEEAc)	DNA/RNA Synthesis	Others
cyclo(Phe-Ala-Gly-Arg-Arg-Arg-Gly-AEEAc) provides an avenue for developing a nonhormonal male contraceptive by blocking of GRTH/DDX25 phosphorylation.

HY-18996R

Adjudin (Standard) AF-2364 (Standard)	Chloride Channel Mitochondrial Metabolism Reference Standards	Cancer
Adjudin (Standard) is the analytical standard of Adjudin. This product is intended for research and analytical applications. Adjudin is an extensively studied male contraceptive with a superior mitochondria-inhibitory effect. Adjudin is also a potent Cl- channel blocker.

HY-B0487R

Ethisterone (Standard) Pregneninolone (Standard); 17α-Ethynyltestosterone (Standard)	Reference Standards Estrogen Receptor/ERR	Metabolic Disease
Ethisterone (Pregneninolone; 17α-Ethynyltestosterone) (Standard) is the analytical standard of Ethisterone (HY-B0487). This product is intended for research and analytical applications. Ethisterone is a synthetic steroidal estrogen, is an orally active steroidal contraceptive agent. Ethisterone has almost no effect on the phagocytic activity of the reticuloendothelial system in male guinea pigs, while in utero exposure can induce abnormalities in the urogenital system of offspring .

HY-171129

EP055	Ser/Thr Protease	Endocrinology
EP055 is a non-hormonal male contraceptive. EP055 targets to sperm protein EPPIN and inhibits anti-EPPIN antibodies from binding EPPIN with an IC₅₀ of 1121 μM. EP055 can inhibit sperm motility (IC₅₀ = 199.5 μM) by reducing the internal pH and Ca ²⁺ levels of the sperm, thereby causing the sperm to aggregate. EP055 can be used for development of male contraceptive .

HY-W766130

Ethisterone-13C2 Pregneninolone-¹³C₂; 17α-Ethynyltestosterone-¹³C₂	Isotope-Labeled Compounds Estrogen Receptor/ERR	Metabolic Disease
Ethisterone- ¹³C₂ (Pregneninolone- ¹³C₂) is the ¹³C-labeled Ethisterone (HY-B0487). Ethisterone (Pregneninolone; 17α-Ethynyltestosterone) is a synthetic steroidal estrogen, is an orally active steroidal contraceptive agent. Ethisterone has almost no effect on the phagocytic activity of the reticuloendothelial system in male guinea pigs, while in utero exposure can induce abnormalities in the urogenital system of offspring.

HY-183986

SR210831C	RAR/RXR	Endocrinology
SR210831C is a highly selective, orally active retinoic acid receptor α (RARα) inhibitor with an IC₅₀ of 0.051 nM. SR210831C suppresses spermatogenesis by reducing sperm count in house mice via acting on the early stages of spermatogenesis, and it does not cross the blood-testis barrier. SR210831C can be used in male contraception research .

cyclo(Phe-Ala-Gly-Arg-Arg-Arg-Gly-AEEAc)	DNA/RNA Synthesis	Others
cyclo(Phe-Ala-Gly-Arg-Arg-Arg-Gly-AEEAc) provides an avenue for developing a nonhormonal male contraceptive by blocking of GRTH/DDX25 phosphorylation.

Cat. No.	Product Name	Chemical Structure

HY-W766130

Ethisterone-13C2
Ethisterone- ¹³C₂ (Pregneninolone- ¹³C₂) is the ¹³C-labeled Ethisterone (HY-B0487). Ethisterone (Pregneninolone; 17α-Ethynyltestosterone) is a synthetic steroidal estrogen, is an orally active steroidal contraceptive agent. Ethisterone has almost no effect on the phagocytic activity of the reticuloendothelial system in male guinea pigs, while in utero exposure can induce abnormalities in the urogenital system of offspring.

Ethisterone-13C2

Ethisterone- ¹³C₂ (Pregneninolone- ¹³C₂) is the ¹³C-labeled Ethisterone (HY-B0487). Ethisterone (Pregneninolone; 17α-Ethynyltestosterone) is a synthetic steroidal estrogen, is an orally active steroidal contraceptive agent. Ethisterone has almost no effect on the phagocytic activity of the reticuloendothelial system in male guinea pigs, while in utero exposure can induce abnormalities in the urogenital system of offspring.

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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