
Stérols
191 produits trouvés pour "Stérols".
Brassinolide
CAS :Plant hormoneFormule :C28H48O6Degré de pureté :Min. 95 Area-%Couleur et forme :White PowderMasse moléculaire :480.68 g/molLanosterol - 90%
CAS :Produit contrôléLanosterol - 90% is a sterol compound, which is a biochemical precursor to steroids. It is derived from various animal and plant sources, typically synthesized through the enzymatic conversion of squalene. Lanosterol functions through a significant role in the biosynthetic pathway of cholesterol and other essential sterols. This involves the cyclization process, where lanosterol is metabolized into cholesterol through a series of reactions catalyzed by specific enzymes.Formule :C30H50ODegré de pureté :Min. 95%Couleur et forme :White Off-White PowderMasse moléculaire :426.72 g/mol8'-Hydroxyformononetin
CAS :8'-Hydroxyformononetin is a phytoestrogen compound, which is derived from plant sources, particularly from legumes, including red clover and soy. As a naturally occurring isoflavone, it falls within the class of flavonoids, a group of polyphenolic compounds with varied biological activities. Its mode of action primarily involves binding to estrogen receptors, where it can mimic or modulate the action of estrogen in the body. This interaction can result in either estrogenic or anti-estrogenic effects, depending on the presence of endogenous estrogen and other factors within the target tissues.Formule :C16H12O5Degré de pureté :Min. 95%Masse moléculaire :284.26 g/molHalcinonide
CAS :Halcinonide is a potent topical corticosteroid, which is a synthetically derived compound from hydrocortisone. It operates by penetrating the cell membranes and binding to cytoplasmic receptors, leading to a subsequent translocation to the nucleus where it modulates genetic expression. This action results in diminished synthesis of pro-inflammatory cytokines, thereby exerting strong anti-inflammatory, antipruritic, and vasoconstrictive effects.
Formule :C24H32ClFO5Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :454.96 g/mol24-epi-castasterone
CAS :Produit contrôlé24-epi-Castasterone is a brassinosteroid, which is a class of plant steroids, often extracted from various plant tissues synthesized in small quantities. This compound is primarily derived from plant sources such as seeds, pollen, and young vegetative tissues. It functions by binding to specific receptor kinases on plant cell membranes, thereby initiating a cascade of intracellular signaling that regulates gene expression. These pathways are crucial for the modulation of plant growth and development processes.Formule :C28H48O5Degré de pureté :Min. 95%Masse moléculaire :464.68 g/molTestosterone-impurity K
Produit contrôléTestosterone-impurity K is a chemical compound that belongs to the category of impurities identified during the synthesis and formulation of testosterone-related pharmaceuticals. It is typically sourced from the by-products of testosterone synthesis and is crucial for ensuring the purity and efficacy of the final testosterone product. The mode of action of Testosterone-impurity K primarily involves serving as a reference standard or analytical benchmark to identify and quantify impurities present in testosterone preparations.Formule :C19H26O2Degré de pureté :Min. 95%Masse moléculaire :286.41 g/molPregna-4,8-diene-3,20-dione
CAS :Produit contrôléPregna-4,8-diene-3,20-dione is a synthetic corticosteroid, which is an analog of naturally occurring hormones produced by the adrenal cortex. This compound is synthesized through complex chemical pathways utilizing steroidal intermediates to produce a substance with potent biological activity. The mode of action of Pregna-4,8-diene-3,20-dione involves its ability to alter the transcription of certain genes by binding to glucocorticoid receptors. This interaction induces the synthesis of proteins that inhibit the inflammatory response and suppress the immune system.
Formule :C21H28O2Degré de pureté :Min. 95%Masse moléculaire :312.45 g/mol1-Dehydroepiandrosterone
CAS :Produit contrôlé1-Dehydroepiandrosterone is a steroid hormone and a metabolic intermediate in the biosynthesis of androgen and estrogen sex steroids, which is derived from cholesterol in the adrenal glands, gonads, and brain. Acting primarily as a prohormone, it facilitates the synthesis of active steroid hormones by serving as a precursor molecule that undergoes enzymatic conversion into potent androgens like testosterone and dihydrotestosterone, as well as estrogens such as estradiol within peripheral tissues.
Formule :C19H28O2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :288.42 g/molOphiopogonin B
CAS :Ophiopogonin B is a steroidal saponin compound, which is primarily derived from the root tubers of the plant Ophiopogon japonicus. This plant source, commonly used in traditional Chinese medicine, contributes to the compound's extraction. Ophiopogonin B exhibits a multifaceted mode of action, primarily recognized for its biological activities, including antioxidant, anti-inflammatory, and cardioprotective effects.Degré de pureté :Min. 95%Betamethasone valerate EP Impurity D
Produit contrôléBetamethasone valerate EP Impurity D is a synthetic steroid compound, specifically an impurity of betamethasone valerate. This impurity is typically derived from the chemical synthesis processes associated with the production of betamethasone valerate. It serves as a reference standard in the analytical and pharmaceutical research fields.Formule :C27H37BrO6Degré de pureté :Min. 95%Masse moléculaire :537.49 g/molOtophylloside B
CAS :Otophylloside B is a naturally occurring triterpenoid saponin, which is a secondary metabolite derived from the roots of the plant **Ophiorrhiza pumila**. This compound is characterized by its complex glycosidic structure, featuring a unique arrangement of sugar moieties attached to its aglycone core. The mode of action of Otophylloside B involves modulation of cellular pathways, particularly influencing apoptosis and cell cycle regulation. Its structure allows interaction with specific cellular receptors, leading to potential inhibition of tumor growth and metastasis.
Formule :C49H78O16Degré de pureté :Min. 95%Masse moléculaire :923.13 g/molEstetrol
CAS :Estetrol (E4) is a naturally occurring estrogen, which is synthesized by the human fetal liver. It acts as a selective estrogen receptor modulator with a unique mode of action differentially impacting various tissues. Estetrol selectively binds to estrogen receptors, thereby facilitating a range of estrogenic activities. Interestingly, it exhibits modest estrogenic effects on both the endometrium and breast tissue, reducing potential risks typically associated with hormone therapies.
Formule :C18H24O4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :304.38 g/molGanoderenic acid B
CAS :Produit contrôléPlease enquire for more information about Ganoderenic acid B including the price, delivery time and more detailed product information at the technical inquiry form on this pageDegré de pureté :Min. 95%Marinobufagenin
CAS :Marinobufagenin is a bufadienolide compound, which is isolated from the skin and parotid glands of toads, primarily those belonging to the Bufo genus. This compound is characterized by its ability to inhibit Na⁺/K⁺-ATPase, an enzyme crucial for maintaining the electrochemical gradients of sodium and potassium ions across the cell membrane. By inhibiting this enzyme, Marinobufagenin disrupts ion homeostasis, which can lead to increased intracellular calcium concentrations in cardiac muscle cells. This action enhances the force of cardiac contraction, conferring potent cardiotonic effects.Formule :C24H32O5Degré de pureté :Min. 95%Masse moléculaire :400.51 g/molFormononetin-7-acetate
CAS :Formononetin-7-acetate is a naturally-derived isoflavonoid, which is a product of acetylation of formononetin, predominantly sourced from red clover and other leguminous plants. Its mode of action involves mimicking the effects of estrogens by binding to estrogen receptors, though with less potency than endogenous estrogens. This interaction may lead to modulation of various estrogen-mediated physiological processes.
Formule :C18H14O5Degré de pureté :Min. 95%Masse moléculaire :310.3 g/molOphiopogonin D
CAS :Ophiopogonin D is a steroidal glycoside, which is a secondary metabolite sourced from the plant Ophiopogon japonicus. This compound is characterized by its presence in the roots, commonly referred to as radix Ophiopogonis, and is part of the broader group of ophiopogonins. Its mode of action primarily involves exerting anti-inflammatory and antioxidant effects. Ophiopogonin D has been shown to modulate signaling pathways that influence cellular oxidative stress and inflammatory responses, which are key in various pathological conditions.
Formule :C44H70O16Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :855.02 g/molAsparanin B
CAS :Asparanin B is a natural compound, which is a specialized saponin derived from the roots of asparagus plants, specifically from Asparagus officinalis. It exerts its effects through the modulation of cellular pathways, including the inhibition of cell proliferation, induction of apoptosis, and disruption of key signaling mechanisms involved in cancer development and progression. As a result, Asparanin B is being studied for its potential anticancer properties.
Formule :C45H74O17Degré de pureté :75%MinMasse moléculaire :887.1 g/molCortisone acetate
CAS :Produit contrôléCortisone acetate is a synthetic corticosteroid, which is a derivative of cortisone, a naturally occurring hormone produced by the adrenal cortex. As a pharmaceutical compound, cortisone acetate acts primarily as an anti-inflammatory and immunosuppressive agent. Its mode of action involves the conversion into cortisol, a glucocorticoid, which then interacts with glucocorticoid receptors to modulate the transcription of responsive genes. This process reduces the production of pro-inflammatory cytokines and inhibits the function of immune cells, thereby producing an anti-inflammatory effect.Formule :C23H30O6Degré de pureté :95%MinCouleur et forme :PowderMasse moléculaire :402.48 g/molEstradiol 17-propionate
CAS :Estradiol 17-propionate is a synthetic estrogenic compound, which is derived from the natural estrogen hormone, estradiol. It is produced through chemical modification to enhance its stability and efficacy, allowing it to be studied as a model of estrogenic action in scientific research. The compound exerts its effects by interacting with estrogen receptors, initiating a cascade of transcriptional events that influence gene expression and cellular function.Formule :C21H28O3Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :328.45 g/molCholestenylamino hemisuccinate
CAS :Produit contrôléUsed to produce peptide modified lipid nanoparticles.
Formule :C31H50N3O5Masse moléculaire :485.74 g/mol
