Steroids

Coprostanol (5β-Cholestan-3β-ol) (Standard) is the analytical standard of Coprostanol. This product is used for research and analytical applications. Coprostanol is a fecal sterol formed by the reduction of cholesterol by microorganisms in the human and higher animal intestines. Coprostanol can be used as an indicator sterol for fecal contamination. Coprostanol has been recognized as a good indicator of water resource pollution caused by sewage discharge. Coprostanol can serve as a potential biological indicator for cerebral chondrodystrophy (CTX).

Glycohyocholic acid (Standard) is the analytical standard of Glycohyocholic acid (HY-122141). This product is intended for use in research and analytical applications. Glycohyocholic acid (GHCA) is a primary conjugated bile acid formed by the conjugation of Cholic acid (HY-N0324) and Glycine (HY-Y0966). Glycohyocholic acid can be used in the study of hepatitis C-related cirrhosis and diabetes mellitus.

Withanolide B (Standard) is the analytical standard of Withanolide B. This product is intended for research and analytical applications. Withanolide B is an active component of W. somnifera Dunal. Withanolide B promotes osteogenic differentiation of hBMSCs via ERK1/2 and Wnt/β-catenin signaling pathways. Withanolide B exhibits neuroprotective, anti-arthritic, anti-aging and anti-cancer effects.

Withanone (Standard) is the analytical standard of Withanone (HY-129692). This product is intended for research and analytical applications. Withanone is an active ingredient from the roots of Withania somnifera and a GRP75 inhibitor. Withanone has multifunctional neuroprotective effects in alleviating cognitive dysfunction. In neuron-like cells, Withanone can inhibit NMDA-induced excitotoxicity. Withanone can inhibit white adipose tissue browning by blocking the formation of the GRP75-ANT2-UCP1 complex, thereby alleviating cancer-related cachexia. Withanone can be used in the research of tumors and nervous system diseases.

24-Methylenecholesterol (Ostreasterol) (Standard) is the analytical standard of 24-Methylenecholesterol (HY-133968). This product is intended for research and analytical applications. 24-Methylenecholesterol (Ostreasterol) is a regulator targeting acyl-CoA cholesterol acyltransferase (ACAT) with anti-aging and neuroprotective effects. 24-Methylenecholesterol mimics the effects of nerve growth factor (NGF), can extend yeast lifespan through an anti-oxidative stress mechanism, and exhibits neuroprotective activity in PC12 cells. 24-Methylenecholesterol can reduce intracellular reactive oxygen species (ROS) and malondialdehyde (MDA) levels, activate anti-oxidative stress pathways (such as UTH1, SOD-related genes), and promote synaptic growth.

Gitoxin (Standard) is the analytical standard of Gitoxin (HY-136933). This product is intended for research and analytical applications. Gitoxin is a degradation metabolite of Digitoxin (HY-B1357) and a non-competitive Na⁺/K⁺-ATPase inhibitor, with an IC₅₀ of 1.18e-6 M against the porcine high-affinity subtype and an IC₅₀ of 2.85e-5 M against the porcine low-affinity subtype. Gitoxin regulates atrial contractility and rhythmicity. Gitoxin is applicable to research related to congestive heart failure.

Allolithocholic acid (Standard) is the analytical standard of Allolithocholic acid (HY-143712). This product is intended for research and analytical applications. Allolithocholic acid is an orally active metabolite of Lithocholic acid (HY-B0172). Allolithocholic acid is a dual GPBAR1 agonist (EC₅₀ = 2.7 μM) and RORγt inverse agonist (IC₅₀ = 3.4 μM). Allolithocholic acid modulates immune and metabolic pathways, regulates immune cell polarization, prevents M1 macrophage and Th17 CD4 cell polarization. Allolithocholic acid improves insulin sensitivity, reduces liver lipid accumulation, reverses liver immunological, inflammatory and metabolic signaling dysregulation, restores bile acid homeostasis, adipose tissue histopathology/function, and intestinal microbiota composition, modulates intestinal immunity. Allolithocholic acid can be used for the researches of cancer, inflammayion, immunology and metabolic disease.

Cyclopamine (Standard) is the analytical standard of Cyclopamine. This product is intended for research and analytical applications. Cyclopamine is a Hedgehog (Hh) pathway antagonist with an IC50 of 46 nM in the Hh cell assay. Cyclopamine is also a selective Smo inhibitor.

Cortisone acetate (Standard) is the analytical standard of Cortisone acetate. This product is intended for research and analytical applications. Cortisone acetate (Cortisone 21-acetate), an oxidized metabolite of Cortisol (a Glucocorticoid). Cortisone acetate acts as an immunosuppressant and anti-inflammatory agent. Cortisone acetate can partially intervene in binding of Glucocorticoid to Glucocorticoid-receptor at high concentrations.

3α,12β-Dihydroxycholanoic acid (Standard) is the analytical standard of 3α,12β-Dihydroxycholanoic acid (HY-43470). This product is intended for research and analytical applications. 3α,12β-Dihydroxycholanoic acid is a dihydroxy bile acid that is detectable in healthy urine samples. 3α,12β-Dihydroxycholanoic acid carries hydroxy substituents at the 3α and 12β positions of the 5β-cholanoic acid steroid skeleton.

Isolithocholic acid (Standard) is the analytical standard of Isolithocholic acid. This product is intended for research and analytical applications. Isolithocholic acid (β-Lithocholic acid) is an isomer of Lithocholic acid. Isolithocholic acid, a bile acid, is formed by microbial metabolism of Lithocholic acid or Lithocholic acid 3α-sulfate[1][2].

Etonogestrel (Standard) is the analytical standard of Etonogestrel. This product is intended for research and analytical applications. Etonogestrel (3-Oxodesogestrel), a biologically active metabolite of progestin Desogestrel, binds with high affinity to progesterone receptors and estrogen receptors in the target organs. Etonogestrel induce FKBP51 mRNA and protein expression in cultured human endometrial stromal cells (HESCs).

Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt (Standard) is the analytical standard of Dehydroepiandrosterone sulfate sodium salt (HY-B0765). This product is intended for research and analytical applications. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality.

Hydrocortisone acetate (Standard) is the analytical standard of Hydrocortisone acetate. This product is intended for research and analytical applications.

(E)-Methyl 4-coumarate (Standard) is the analytical standard of (E)-Methyl 4-coumarate. This product is intended for research and analytical applications. (E)-Methyl 4-coumarate (Methyl 4-hydroxycinnamate), found in several plants, such as Allium cepa or Morinda citrifolia L. leaves. (E)-Methyl 4-coumarate cooperates with Carnosic Acid in inducing apoptosis and killing acute myeloid leukemia cells, but not normal peripheral blood mononuclear cells. Antioxidant and antimicrobial activity.

Polyphyllin I (Standard) is the analytical standard of Polyphyllin I. This product is intended for research and analytical applications. Polyphyllin I is a bioactive constituent extracted from Paris polyphylla, has strong anti-tumor activity. Polyphyllin I is an activator of the JNK signaling pathway and is an inhibitor of PDK1/Akt/mTOR signaling. Polyphyllin I induces autophagy, G2/M phase arrest and apoptosis.

Solamargine (Standard) is the analytical standard of Solamargine. This product is intended for research and analytical applications. Solamargine, a derivative from the steroidal solasodine in Solanum species, exhibits anticancer activities in numerous types of cancer. Solamargine induces non-selective cytotoxicity and P-glycoprotein inhibition. Solamargine significantly inhibits migration and invasion of HepG2 cells by down-regulating MMP-2 and MMP-9 expression and activity.

Cyasterone (Standard) is the analytical standard of Cyasterone. This product is intended for research and analytical applications. Cyasterone, a natural EGFR inhibitor, mainly isolated from Ajuga decumbens Thunb (Labiatae). Cyasterone manifests anti-proliferation effect by induced apoptosis and cell cycle arrests. Cyasterone may serves as a therapeutic anti-tumor agent against human tumors.

Daucosterol (Standard) is the analytical standard of Daucosterol. This product is intended for research and analytical applications. Daucosterol is an orally active natural sterol compound, which has anti-inflammatory, anticancer and immunomodulatory activities. Daucosterol inhibits cancer cell proliferation by inducing autophagy through ROS-dependent manner. Daucosterol also inhibits colon cancer growth by inducing apoptosis, inhibiting cell migration and invasion and targeting caspase signalling pathway.

Cinobufagin (Standard) is the analytical standard of Cinobufagin. This product is intended for research and analytical applications. Cinobufagin is an anticancer agent that can be secreted by the Asiatic toad Bufo gargarizans. Cinobufagin induces the cell cycle arrests in the G1 phase or G2/M phase, leading to apoptosis in cancer cells. Cinobufagin inhibits tumor growth in melanoma and glioblastoma multiforme xenograft mouse models.