
Étalons pharmaceutiques
Sous-catégories appartenant à la catégorie "Étalons pharmaceutiques"
- APIs pour la recherche et les impuretés(276.378 produits)
- Activateurs et inhibiteurs d'enzymes(2.829 produits)
- Nitrosamines(2.627 produits)
- Composés et métabolites pharmaceutiques et vétérinaires(2.901 produits)
- Toxicologie(13.531 produits)
7963 produits trouvés pour "Étalons pharmaceutiques"
L-b-Homotyrosine hydrochloride
CAS :Please enquire for more information about L-b-Homotyrosine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formule :C10H13NO3·HClDegré de pureté :Min. 95%Masse moléculaire :231.68 g/mol3a-Hydroxy tibolone
CAS :Produit contrôléTibolone is a synthetic hormone that is used in the treatment of menopausal symptoms and breast cancer. Tibolone has been shown to be an effective treatment for menopausal symptoms, such as hot flashes and vaginal dryness, by providing relief from these symptoms. Tibolone has also been shown to have anti-cancer effects. This drug may be useful for treating breast cancer because it can inhibit the growth of cancer cells by binding to estrogen receptors and blocking estrogen-induced cell proliferation. Tibolone also stimulates angiogenesis, which is the formation of new blood vessels in order to provide nutrients and oxygen to growing tissue. It has been shown that this drug inhibits the synthesis of hepg2 cells in vitro, which are involved in the production of angiogenic factors. Tibolone may also have clinical relevance as a chemopreventive agent against prostate cancer.BR> Tibolone has also been shown to stimulate sulphatase activity in vitro, which may contribute to
Formule :C21H30O2Degré de pureté :Min. 95%Masse moléculaire :314.46 g/mol7-Amino-4-(trifluoromethyl)coumarin
CAS :7-Amino-4-(trifluoromethyl)coumarin is a coumarin derivative that has been used as a fluorescence probe for the study of enzyme activities. It can be used as a potential biomarker for autoimmune diseases, and has also been shown to have tyrosine kinase domain binding activity. 7-Amino-4-(trifluoromethyl)coumarin can bind to the hydroxyl group in tyrosine residues with high affinity, and binds to the nitrogen atoms in protein kinases with low affinity. This compound is able to form intermolecular hydrogen bonds and steric interactions with peptide hormones.
Formule :C10H6F3NO2Degré de pureté :Min. 95%Masse moléculaire :229.16 g/molrec Human Growth Hormone (expressed in E.coli)
Please enquire for more information about rec Human Growth Hormone (expressed in E.coli) including the price, delivery time and more detailed product information at the technical inquiry form on this page
Degré de pureté :Min. 95%4-Nitrophenyl Anthranilate
CAS :Produit contrôlé4-Nitrophenyl anthranilate is a potent inhibitor of serine protease. It is synthesized by reacting an anthranilate with an hydroxyl group in the presence of ultraviolet light, and can be used as a fluorescent probe. 4-Nitrophenyl anthranilate binds to the active site of serine protease, and prevents the hydrolysis of proteins by blocking the cleavage of peptide bonds at the carboxylic acid termini. This compound has been shown to inhibit human serum albumin and cell nuclei in vitro. The reaction mechanism for this compound is unknown, but it is believed that it may involve a photo-induced electron transfer mechanism.
Formule :C13H10N2O4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :258.23 g/mol17-Hydroxy-19-nor-17alpha-pregna-4,6-dien-20-yn-3-one acetate
CAS :Please enquire for more information about 17-Hydroxy-19-nor-17alpha-pregna-4,6-dien-20-yn-3-one acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formule :C22H26O3Degré de pureté :Min. 95%Couleur et forme :Off-white to pale yellowsolid.Masse moléculaire :338.44 g/molCodeine Impurity F
CAS :Produit contrôléCodeine Impurity F is a biochemical that is an impurity of codeine. Codeine Impurity F is a byproduct of the enzymatic reaction with morphine and the bacterial strain Pseudomonas putida. Codeine Impurity F has been shown to inhibit the growth of gram-negative bacteria, including Escherichia coli and Salmonella enterica, by binding to cellular membranes and inhibiting their function. It also binds to RNA in vitro and prevents translation of mRNA from its ribosome complex. The hydroxyl group on Codeine Impurity F binds to aluminium ions, which may interfere with the absorption of other drugs such as ampicillin or tetracycline. This impurity has been shown to have an effect on biological products such as immunoglobulins and albumin.
Formule :C18H21NO4Degré de pureté :Min. 95%Masse moléculaire :315.36 g/molD,L-Threo-b-hydroxy aspartic acid
CAS :D,L-Threo-b-hydroxy aspartic acid is a stereoselective synthetic amino acid that has been used to study the uptake and hydrolysis of D,L-threo-b-hydroxy aspartic acid by rat brain synaptosomes. It has also been used in the synthesis of an L-alanine analogue with the same stereochemistry at the chiral center. The stereoselective synthesis of this compound is achieved by epimerization reaction using d-alanine as a starting material. Threo bhda has been shown to inhibit glutamate release from neurons and stimulate GABA release in synaptosomes, which may be due to its ability to bind to ion channels. Threo bhda has also been found to inhibit the binding of radioactive thymidine to calf thymus DNA with a high degree of stereoselectivity.
Formule :C4H7NO5Degré de pureté :Min. 95%Masse moléculaire :149.1 g/molNaphthalen-2-ethanol
CAS :Naphthalen-2-ethanol is a primary alcohol that has been synthesized and immobilized onto boron nitride. It can be used as a synthetic reaction rate indicator. Naphthalen-2-ethanol is soluble in organic solvents such as methanol, which can be used to determine the concentration of methanol in solution by observing the change in absorbance at 230 nm. This compound has functional groups such as carbinols, which are characterized by their high reactivity and ability to form esters, ethers, amides, or nitriles. Naphthalen-2-ethanol also reacts with lipases to produce polyamines and with chromatography to produce substitutive nomenclature.
Formule :C12H12ODegré de pureté :Min. 95%Masse moléculaire :172.22 g/molValeric acid
CAS :Valeric acid is a fatty acid that is used in the manufacture of polymers. Valeric acid can be synthesized from caproic acid, which is found in palm oil and coconut oil. Valeric acid has been shown to inhibit the activity of nicotinic acetylcholine receptors at low concentrations and to have an inhibitory effect on the ryanodine receptor at high concentrations. Valeric acid also has a matrix effect on analytical methods such as gas-liquid chromatography, which has been modeled using polymer compositions.
Formule :C5H10O2Degré de pureté :Min. 95%Masse moléculaire :102.13 g/molBromocresol purple sodium salt
CAS :Bromocresol purple sodium salt is a dye that emits light when it is irradiated with light of a particular wavelength. It has been used to detect amniotic fluid contamination in the laboratory and as an absorber in polymer films. Bromocresol purple sodium salt absorbs ultraviolet and visible light, which causes it to emit red light. The molecules of bromocresol purple sodium salt are long-chain triazoles, which absorb water vapor and emit infrared radiation. This property can be used to detect the presence of alkali metals. The luminescent property of bromocresol purple sodium salt can be enhanced by adding an alkali metal, such as potassium or lithium chloride, to the solution where it is dissolved.
Formule :C21H15Br2O5S·NaDegré de pureté :Min. 95%Masse moléculaire :562.2 g/mol(S)-3',5'-Bis(trifluoromethyl)-1-phenethanol
CAS :(S)-3',5'-Bis(trifluoromethyl)-1-phenethanol is a choline derivative that is used in the treatment of liver cancer. It has been shown to increase the permeability of cell membranes and to suppress the growth of tumor cells by inhibiting protein synthesis. (S)-3',5'-Bis(trifluoromethyl)-1-phenethanol can be used as a surfactant and a hydrophobic solvent for optimization of reaction parameters. This chemical also has been shown to be active against Gram-positive bacteria such as Staphylococcus aureus and Enterococcus faecalis, but not against Gram-negative bacteria such as Escherichia coli or Pseudomonas aeruginosa. The mechanism of this effect is mediated by chloride ions that act as bioreductive agents on cellular membranes, leading to increased permeability and cell death.
Formule :C10H8F6ODegré de pureté :Min. 95%Masse moléculaire :258.16 g/mol2-Bromo-3'-hydroxyacetophenone
CAS :2-Bromo-3'-hydroxyacetophenone is a molecule that has been shown to be cytotoxic and effective in inhibiting the growth of cancer cells. 2-Bromo-3'-hydroxyacetophenone inhibits the production of kynurenine, an amino acid that is used in the production of proteins, by competitively binding to the enzyme IDO1. This binding prevents the conversion of tryptophan into kynurenine, leading to cell death. The cytotoxicity of 2-bromo-3'-hydroxyacetophenone was also confirmed by testing its ability to inhibit cellular interaction with human erythrocytes (blood cells) and by measuring its effects on crystallography efficiency.
Formule :C8H7BrO2Degré de pureté :Min. 95%Couleur et forme :Slightly Yellow PowderMasse moléculaire :215.04 g/mol2,2’,3,3’,4,4’,5,5’,6-Nonabromobiphenyl
CAS :Produit contrôléPlease enquire for more information about 2,2’,3,3’,4,4’,5,5’,6-Nonabromobiphenyl including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formule :C12HBr9Degré de pureté :Min. 95%Masse moléculaire :864.27 g/molTetramethylurea
CAS :Tetramethylurea is a versatile compound that has various applications in different fields. It is commonly used as a monophosphate donor in biochemical reactions and as a reagent for the synthesis of L-sorbose and histidine. In addition, tetramethylurea is employed in the production of herbicides, as well as in the synthesis of zirconium oxide nanoparticles.
Formule :C5H12N2ODegré de pureté :Min. 95%Masse moléculaire :116.16 g/mol1-Nitronaphthalene
CAS :1-Nitronaphthalene is a nitrobenzene derivative that has been used as an intermediate in the synthesis of pharmaceuticals, dyes, and other organic compounds. 1-Nitronaphthalene is classified as a hazardous substance due to its carcinogenicity and toxicity. In particular, it can cause irritation and burns on skin contact and may be fatal if swallowed. The toxicity profile of 1-nitronaphthalene has been studied in rats, mice, guinea pigs, rabbits, hamsters, and dogs. It was found to have moderate acute oral toxicity in rats but no significant acute toxicity in mice or dogs. 1-Nitronaphthalene also had little effect on p450 activity or enzyme activities in rats.
Formule :C10H7NO2Degré de pureté :Min. 95%Couleur et forme :Yellow Clear LiquidMasse moléculaire :173.17 g/mol4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-2-propanoic acid methyl ester
CAS :Produit contrôléPlease enquire for more information about 4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-2-propanoic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C19H17ClN4O2SDegré de pureté :Min. 95%Masse moléculaire :400.88 g/molCholesterol Isobutyl Carbonate
CAS :Produit contrôléCholesterol Isobutyl Carbonate is a high melting organic solvent that has been used to prepare microcapsules. It can be used as a coating material for the preparation of inorganic particles, and it has been shown to have the ability to modify molecules by attaching functional groups. The diameter of cholesterol iso butyl carbonate particles is around 100 nm.
Degré de pureté :Min. 95%Boc-L-tyrosine methyl ester
CAS :Boc-L-tyrosine methyl ester is a synthetic amino acid that can be used in the production of peptides and proteins. It has been shown to have a high uptake and hydroxyl group, which allows for the synthesis of dopamine. The kinetic study of Boc-L-tyrosine methyl ester in agarose gels has shown that it has a high affinity for dopamine. Boc-L-tyrosine methyl ester has also been used as an intermediate for the synthesis of peptides and proteins. It is not active against cancer cells but has been used to induce matrix metalloproteinase (MMP) activity in Mcf-7 cells.
Formule :C15H21NO5Degré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :295.33 g/molRef: 3D-FB39010
Produit arrêtéBiotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt
CAS :Please enquire for more information about Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formule :C195H301N55O56S3Degré de pureté :Min. 95%Masse moléculaire :4,408.01 g/mol
