Pharmaceutical Standards

<p>22a-Hydroxycholesterol is a naturally occurring, oxygenated cholesterol metabolite. It binds to the transcriptional coactivator retinoid X receptor (RXR) and inhibits the activity of certain liver enzymes. 22a-Hydroxycholesterol has been shown to have toxic effects on mouse tumors and to inhibit the production of ATP in vitro. 22a-Hydoxycholesterol also inhibits the function of ATP binding cassette (ABC) transporter proteins, which are involved in cholesterol transport from cells. The long-term toxicity of 22a-hydroxycholesterol is not well understood, although it has been shown that this metabolite can induce autoimmune diseases in rats.</p>

<p>Please enquire for more information about 2-(2-Aminoethyl)-3',6'-bis(diethylaMino)spiro[isoindoline-1,9'-xanthen]-3-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>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.</p>

<p>Please enquire for more information about 4,5-Dihydro-19-nortestosterone-17b-decanoate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>An acetophenone analogue</p>

<p>Cholesterol Heptanoate is a liquid crystal composition that is used to coat tablets. It is also used for the diagnosis of fatty acid metabolism and atherosclerotic lesion formation by measuring the fatty acid composition of body tissues. Cholesterol Heptanoate can be used to form polymeric matrices for use in drug delivery systems. These matrices are composed of ionizable, film-forming polymers with excipients that have phase transition temperatures near 37°C.</p>

<p>Zeta-carotene is a carotenoid pigment found in plants. It is a precursor to vitamin A and can be converted by the body into retinol, which can then be used in the eye. Zeta-carotene has been shown to inhibit the growth of cancer cells through transcriptional regulation of genes involved in lipid metabolism and cell proliferation. This carotenoid also has antioxidant properties that may help protect against cardiovascular diseases. In addition, zeta-carotene has been shown to have a positive effect on plant physiology because it is an important intermediate for photosynthesis.</p>

<p>4b-Hydroxy cholesterol is a sterol that is found in human serum and rat liver microsomes. It has been shown to be a potent inducer of CYP3A4, which is an important enzyme in the metabolism of many drugs. 4b-Hydroxy cholesterol has also been shown to induce transcriptional regulation by binding to the sterol regulatory element binding protein (SREBP) and activating it. This activation results in the increased production of cholesterol and other sterols by upregulating transcription of genes that are involved in cholesterol synthesis. 4b-Hydoxy cholesterol has been shown to have anti-inflammatory properties due to its inhibition of triclosan and clinical studies show that it can reduce serum levels of total cholesterol and low density lipoprotein (LDL) cholesterol in women.</p>

<p>Please enquire for more information about 19-Carboxy cholesterol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>5-Bromo-1H-indole-2-carboxylic acid methyl ester is a drug that belongs to the class of carboxylates. It has been shown to inhibit the growth of tumor cells in vitro and in vivo. The antitumor activity of this compound may be due to its ability to stabilize planar indole moieties, which are cytotoxic. 5-Bromo-1H-indole-2-carboxylic acid methyl ester interacts with other molecules through intermolecular interactions and can form an indole ring system that has a trifluoromethyl group and a carboxylate group in its structure.</p>

<p>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.</p>

<p>Please enquire for more information about (2E)-3-(Dimethylamino)-1-(3-nitrophenyl)prop-2-en-1-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>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.</p>

<p>Please enquire for more information about Cholesterol n-Octyl Carbonate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-Chloro-4-nitropyridine 1-oxide is the condensation product of 2-chloro-3-nitropyridine and nitric acid. 3-Chloro-4-nitropyridine 1-oxide has an isomeric nature and can be purified by recrystallization from water. The compound has a molecular weight of 286.1 g/mol and a monoclinic crystal structure. It has two n-oxides, which are isomers of each other, with nmr spectra that differ by the shift in the chemical shifts of the protons on the aromatic ring. 3-Chloro-4-nitropyridine 1-oxide condenses with lanthanides to form lanthanide complexes, such as Eu(III)(3,5'-ClO 4 ) 2 . This compound is also used in the synthesis of phenoxathiine derivatives that have antihypertensive activity.</p>

<p>(-)-B-Chlorodiisopinocampheylborane is a synthetic compound that belongs to the class of diketones. It has been used in asymmetric synthesis, metathesis reactions, and as a catalyst for the preparation of chiral compounds. (-)-B-Chlorodiisopinocampheylborane can be synthesized from trifluoromethylation using chlorodiphenylsilane and sodium borohydride in heptane. This agent has been shown to be effective for the production of β-unsaturated ketones by reaction with carbonyl groups. The reaction produces a racemic mixture of enantiomers, which are isomers that are not identical but have the same chemical formula and similar physical properties. (-)-B-Chlorodiisopinocampheylborane can also be used as an intermediate for the synthesis of latanoprost lactol, which is a prostaglandin</p>

<p>Epsilon-Carotene is a carotenoid that is found in plants. It is synthesized from beta-carotene through the action of enzymes called beta-carotene ketolases. Epsilon-Carotene can be cleaved by enzymes to produce lycopene and beta-cryptoxanthin. The biosynthesis of Epsilon-Carotene has been studied in a number of clinical studies, including the effect on human tissues and the prevention of cancer. Epsilon-Carotene has also been shown to have anti-inflammatory properties, which may be due to its ability to inhibit prostaglandin synthesis.</p>

<p>Please enquire for more information about (-)-3-Methoxy butorphanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 2-[4-(tert-Butyldimethylsilyloxymethyl)-2-nitrophenoxy]acetic Acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>9,10-Diphenylanthracene is a fluorescent aromatic hydrocarbon that belongs to the class of carbonyl compounds. It has high values and maximal response with analytical methods such as fluorescence techniques and gel pores. 9,10-Diphenylanthracene can be used as a probe for the transfer mechanism of nucleic acids and proteins. 9,10-Diphenylanthracene is also used in analytical chemistry to determine the structure of dihydro derivatives of unsaturated alkyl chains. This compound's chemical properties make it an excellent fluorescent marker for use in gamma-aminobutyric acid (GABA) research.</p>

<p>Please enquire for more information about 1-Tosy-3-(1-naphthoyl)pyrrole including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>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</p>

<p>Please enquire for more information about 2-Amino-4'-methoxyacetophenone hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Diacetato[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium(II) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 2-Dehydro-3-methoxy tibolone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Pregna-1,4,9(11),16-tetraene-3,20-dione is a controlled product that is widely used in the industrial sector. It is a phosphoric compound that has various applications. This chemical compound acts as a chemokine and contains active agents such as tryptamine and aldehyde monophosphate. Pregna-1,4,9(11),16-tetraene-3,20-dione is also known to be a mouse metabolite and has been found to have properties similar to naphthalene and phenylethylamine. With its acidic nature and oxygen-containing structure, this compound can be easily purified through recrystallization. It exists in different tautomeric forms, making it highly versatile for various applications in different industries.</p>

<p>Cholesterol amyl carbonate is a cholesterol ester that is used as an ingredient in microcapsules. It is a high-melting, inorganic substance that can be used as a coating material. The coating of this compound can be applied to drugs and other substances to prevent them from being dissolved in the stomach or intestinal tract. Cholesterol amyl carbonate has been shown to increase the average particle diameter and particle size distribution of microcapsules. This chemical is also soluble in organic solvents, which makes it useful for coatings that require organic solvents for application.</p>

<p>Efavirenz is a non-nucleoside reverse transcriptase inhibitor (NNRTI) used in the treatment of HIV. It has been shown to be reactive with sodium carbonate, forming a stable complex that can be measured by LC-MS/MS. The formation rate of this complex may be influenced by the presence of other drugs, such as rifampin, which inhibits cytochrome P450 activity and reduces efavirenz metabolism. This drug has been shown to inhibit human Cytochrome P450 3A4 (CYP3A4) and may have increased plasma concentrations when administered with CYP3A4 inhibitors such as ketoconazole or erythromycin. Efavirenz is also metabolized in the liver by cytochrome P450 enzymes, mainly CYP3A4. Pharmacokinetic modeling has been used to study the drug's effects on hepatic clearance and plasma concentrations in humans.</p>

<p>2,2'-Dichlorodiethyl ether (2,2-DDE) is a cationic surfactant that is used in the production of fluorocarbons and other chemicals. It is also used in wastewater treatment as an oxidizing agent. 2,2'-DDE is toxic to humans, with a blood group toxicity profile similar to that of ethylene glycol and diethylene glycol. 2,2'-DDE can be found in the environment due to its use as a component in products and its presence in wastewaters. 2,2'-DDE has been shown to be reactive with hydrogen fluoride and oxidation catalyst, which may cause interactive effects when it is present at high concentrations. This chemical has been shown to induce cell death through histological analysis on cell cultures. Reaction mechanism for this chemical is not known.</p>

<p>单酚香气;胶粘剂;密封剂;抗氧化剂;消毒剂</p>

<p>(-)-Ecgonine hydrochloride is a benzoyl ester that is used as an analytical reagent. It is a precursor in the synthesis of cocaine and other drugs. Ecgonine hydrochloride can be extracted from plant sources, such as coca leaves or khat leaves, by acid-base extraction. It has been shown to have toxic effects on human serum and the liver, which may be due to its structural similarity to cocaine.</p>

<p>Cholesterol Valerate is a fatty acid that has been used in the diagnosis of fatty acids. It can be obtained by synthesizing it from cholesterol and valeric anhydride. The carboxylic acid group in the molecule is responsible for its lipophilic properties, which allow it to dissolve in fats and oils. Cholesterol Valerate has a phase transition temperature of about -5 degrees Celsius, making it liquid at room temperature. This compound has been used as an excipient in pharmaceutical compositions, such as lipid emulsions and topical formulations to increase solubility. The termini of the molecule consist of hydroxyl groups that are susceptible to oxidation, making this compound unstable when exposed to air or sunlight.</p>

<p>Please enquire for more information about L-Tyrosine 4-nitroanilide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(2'S)-Nicotine 1-oxide is a nicotinic acetylcholine receptor agonist that acts as an insecticide. It is used on plants to control aphids, thrips, and other pests. The effects of (2'S)-nicotine 1-oxide on animals are not well studied. This compound is marketed as a dietary supplement for weight loss, although there has been no validation of this claim. The matrix effect of this drug can cause interference in the analysis of urine samples. Nuclear DNA can be used to detect the presence of (2'S)-nicotine 1-oxide in cancer tissue. Analytical methods for quantifying (2'S)-nicotine 1-oxide include gas chromatography with mass spectrometry detection (GC/MS), liquid chromatography with tandem mass spectrometry detection (LC/MS/MS), and liquid chromatography with ultraviolet detection (LC/UV).</p>

<p>2-Bromo-4-nitrophenol is a byproduct of the reaction between hydrogen peroxide and sodium bromate. It can be detected in the presence of hydrochloric acid, which reacts with 2-bromo-4-nitrophenol to form an orange color that can be detected spectrophotometrically. 2-Bromo-4-nitrophenol has been shown to inhibit the growth of various strains of bacteria, including Escherichia coli, Bacillus subtilis, and Pseudomonas aeruginosa. This compound binds to flavin adenine dinucleotide (FAD) as well as other nucleophilic cofactors such as thioredoxin reductase. The binding affinity is increased when carbon sources are present. This property makes it a useful inhibitor for catalytic reduction reactions in biotechnology and synthetic chemistry applications.br&gt;br&gt; 2B4NP is a by</p>

<p>3-Fluoro-4-nitrophenol is an organic solvent that is used in the synthesis of a number of organic and inorganic compounds, including diazonium salts. 3-Fluoro-4-nitrophenol can be reacted with organometallic reagents to form tetraphenylmethane derivatives. It has been shown to have potential use as a precursor for the synthesis of a number of pharmaceuticals, such as regorafenib, which is an antiangiogenic drug. 3-Fluoro-4-nitrophenol reacts with chloride ions to form coelomic acid (3-fluoroaniline) and other organic acids. Reaction with magnesium and aluminium produces silicon nitride.</p>

<p>(R)-Perillaldehyde is an activated cardenolide that binds to flavoproteins and inhibits the oxygenation of 4-hydroxycoumarin. It is a stereoselective, substrate binding, and oxygenated flavoenzyme inhibitor. The orientation of perillaldehyde with respect to the flavin may be important for its activity in the enzyme's active site.</p>

<p>Please enquire for more information about Vitamin B12 e-Monocarboxylic Acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,2'-Bis-(1-adamantyl)-4,4'-dimethoxybiphenyl is a methyl ester of adapalene. It is used to assess the effects of adapalene on the skin and to determine its marker for topical application.</p>

<p>3-(4-Chlorophenyl)glutaric acid is a subunit of lanthanide complexes. It has been synthesized from cinchona alkaloids and single-crystal x-ray diffraction data obtained in the absence of ligands. 3-(4-Chlorophenyl)glutaric acid is a desymmetrization reagent and has been shown to be an effective ligand for lanthanide complexes. This compound has the potential to form impurities during the synthesis process, which can lead to morphological changes, luminescence, or high-performance liquid chromatography interference.</p>

<p>Please enquire for more information about 4-Methoxy retinoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Piperazine-2-carboxylic acid methyl ester (PPCM) is a chemical compound that is used as an intermediate in the production of ethylenediamine and piperazine-2-carboxylic acid dihydrochloride. It is a white crystalline solid that can be synthesized by reacting ethylene diamine with piperazine-2-carboxylic acid. PPCM has been shown to inhibit the growth of bacteria, yeast, and fungi by inhibiting protein synthesis. This chemical also inhibits the production of proteins essential for respiration and cell wall formation.</p>

<p>Please enquire for more information about rac-4'-Methyl ketoprofen including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,4,4’-Trichlorobiphenyl is a polychlorinated biphenyl congener. It has been shown to have an adverse effect on the central nervous system, causing neurotoxicity. 2,4,4’-Trichlorobiphenyl has been used as a model system for the study of the effects of environmental toxins on mitochondrial membrane potential and lipid peroxidation. 2,4,4’-Trichlorobiphenyl binds to fatty acids in mitochondria and inhibits fatty acid β-oxidation. The inhibition of fatty acid oxidation leads to increased levels of protocatechuic acid in the serum and liver tissue. 2,4,4’-Trichlorobiphenyl has also been found to be toxic to aquatic organisms such as fish and shrimp at low concentrations.</p>

<p>4-Bromo-2-fluorobenzoic acid methyl ester is a synthetic chemical that is used as a drug substance in the synthesis of pharmaceuticals. It is also a reagent for organic synthesis, specifically cross coupling reactions. 4-Bromo-2-fluorobenzoic acid methyl ester can be used to introduce an alkyl group into a molecule, which can then be used in other synthetic reactions. This chemical has been shown to inhibit prolyl hydroxylase (PHD), which is an enzyme that catalyzes the conversion of proline to hydroxyproline. 4-Bromo-2-fluorobenzoic acid methyl ester also inhibits the Bcl-2 family proteins, including bcl2, bclxl and bax, which are known to play a role in apoptosis. 4-Bromo-2-fluorobenzoic acid methyl ester</p>

<p>Please enquire for more information about Acetyl-L-methionine sulfoxide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about (6a,11b,16a)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Acetyl-D-methionine is a type strain that belongs to the class of amino acids. It is necessary for protein synthesis and can be found in dietary concentrations. Acetyl-D-methionine has been shown to have enzyme activities, such as malonic acid formation and racemase activity, which are dependent on the bacterial strain. Acetyl-D-methionine has been demonstrated to be able to form a chelate with copper ions, which may contribute to its antimicrobial properties. Acetyl-D-methionine has been shown to inhibit the growth of Stenotrophomonas maltophilia in vitro and in vivo. Acetyl-D-methionine also inhibits the growth of Sprague Dawley rats infected with S. maltophilia when administered intravenously or orally.</p>

<p>Inhibitor of cathepsin</p>

<p>Please enquire for more information about 2-Bromo-3-methylbutenoic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Triethyl orthovalerate is an amide with a cyclic structure. It is used as a model protein for the study of the effects of structural modifications on protein stability and function. Triethyl orthovalerate has been shown to be an inhibitor of prostaglandin synthesis in human cells, which may be due to its ability to inhibit the enzyme amidase.</p>

<p>Gamma-butyrobetaine hydrochloride (GBB) is a metabolite of gamma-butyrobetaine, which is found in the human body. GBB is synthesized from lysine and methionine through an enzymatic pathway that starts with the conversion of lysine to homocysteine. GBB is then converted to gamma-butyrobetaine by methylating the hydroxyl group on its terminal carbon. GBB can be found in urine samples as well as in carnitine and fatty acid metabolism. It has been shown to have an inhibitory effect on creatine kinase and can be used to diagnose metabolic disorders such as carnitine deficiency or prognosis following a heart attack.</p>

<p>Please enquire for more information about 2-Valeryl-17'-estradiol 17-valerate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Domperidone impurity E including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>b-Sitosterol is a sterol that is found in plants and animals. It has been shown to reduce the incidence of skin tumor formation when applied topically. b-Sitosterol also has hypoglycemic effects, which may be due to its ability to bind with p-hydroxybenzoic acid, an inhibitor of glucose absorption. This compound also has a matrix effect on the skin, which may be due to its ability to inhibit the production of collagenase, an enzyme involved in the breakdown of collagen. b-sitosterol also has antiinflammatory properties that have been shown using analytical methods such as metal chelate. Studies have shown that b-sitosterols are natural compounds that are found in high concentrations in beta-sitosterol.</p>

<p>Dibutyltin dilaurate is a chemical substance that is used as a stabilizer in polyvinyl chloride (PVC) and polyurethane. It has been shown to react with potassium dichromate, methyl ethyl ketone, and plasma mass spectrometry. Dibutyltin dilaurate is not acutely toxic, but can be hazardous when exposed to high levels of it over a long period of time. The main route of exposure is through inhalation of the vapor or skin contact with the liquid form. In animal studies, dibutyltin dilaurate has been shown to cause liver damage and kidney toxicity.</p>

<p>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.</p>

<p>6-Amino-5,6,7,8-tetrahydronaphthalene-2,3-diol is a potent dopamine D2 receptor antagonist. It has been shown to inhibit the light emission of dopamine in vitro. This compound also has a high affinity for 5-HT receptors and has been shown to be a potent agonist at these sites. 6-Amino-5,6,7,8-tetrahydronaphthalene-2,3-diol has been found to induce pluripotent stem cells from human fibroblasts. These cells can differentiate into virtually any cell type in the body and may be used to study diseases such as Parkinson's disease and cancer.</p>

<p>Rotigotine is a substance that belongs to the class of active compounds. It has been shown to have optical activity, but this property is not well understood. Rotigotine is a racemic mixture with two enantiomers, which are mirror images of each other. The optical rotation of rac-5,6,7,8-tetrahydro-6-(propylamino)-1-naphthalenol is given as +28°. This property can be determined by measuring the angle of rotation when light passes through the substance in solution in contact with a polarizer and analyzer.</p>

<p>3-Dehydro retinol is a carotenoid that is found in the skin. It is derived from retinol, and has been shown to have antioxidant properties. 3-Dehydro retinol can be isolated from the fungus Monascus purpureus by chromatographic methods. The enzyme activities of 3-dehydroretinol are not well understood, but it has been hypothesized that chronic exposure to this compound may lead to an increase in cell proliferation or an increase in cell differentiation. 3-Dehydro retinol has also been shown to inhibit the oxidation of other molecules such as hydrogen chloride.</p>

<p>2,6-Dibromo-3-nitropyridine is a chemical compound that has been shown to inhibit serine protease activity. The compound was shown to be an inhibitor of the enzyme trypsin, and showed some activity against a number of other proteases. 2,6-Dibromo-3-nitropyridine has also been shown to inhibit nucleophilic alkylation of DNA bases by 2,6-dichloroquinoxaline. 2,6-Dibromo-3-nitropyridine is a targeted inhibitor that binds to the active site of the enzyme and prevents the formation of an enzyme-substrate complex. This inhibition leads to a decrease in the production of proteins essential for cell division.</p>

<p>Please enquire for more information about 3,4'-Dihexyl-2,2'-bithiophene including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Nelfinavir is an antiviral agent that is used to treat HIV/AIDS. It is a protease inhibitor that inhibits the action of the virus in cells by binding to specific enzymes, thus preventing the destruction of human cells by the virus. Nelfinavir also prevents cancer cell growth and has shown anticancer activity in animal models and humans. This drug binds to fatty acids, making it more difficult for the body to eliminate this substance. The half-life of nelfinavir is prolonged in patients with hepatic failure or renal failure. Nelfinavir can be used as a chemotherapeutic agent in infants because it does not cross the blood-brain barrier.</p>

<p>Please enquire for more information about Pravastatin 1,1,3,3-tetramethylbutylamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4b-Hydoxy cholesterol 4-acetate is a pleiotropic drug with a wide range of pharmacological activities. It is an inhibitor of the sirtuin family of proteins and may have anti-cancer effects. It has also been shown to be effective in the treatment of depression and myelodysplastic syndrome. The mechanism of action for this agent is not well understood, but it may be due to its ability to inhibit DNA methyltransferases, which would lead to a change in DNA methylation patterns. 4b-Hydroxy cholesterol 4-acetate has also been shown to decrease lipid levels in the blood and increase the activity of liver enzymes that metabolize fatty acids. This drug can also modify lamellar bodies and short-chain fatty acids by inhibiting the enzyme ATP citrate lyase, which catalyzes citrate cleavage into acetyl CoA and oxaloacetate.</p>

<p>1,2,3,4-Tetrahydronaphthalen-2-amine hydrobromide (THNA) is an amine that inhibits the enzyme tyrosine hydroxylase. This inhibition leads to a decrease in the synthesis of dopamine and norepinephrine. THNA has been shown to have inhibitory properties on locomotor activity, acid complex formation, and aminotransferases. It also exhibits receptor binding and agonist binding site activity. One study found that THNA had no effect on rat striatal tissue. The drug has been shown to be effective in metabolic disorders such as obesity.</p>

<p>Please enquire for more information about Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>5,6-Epoxy retinoic acid is a synthetic retinoid that has been shown to have biological properties in tissue culture and rat liver microsomes. It is an agonist of the retinoic acid receptor (RAR) and binds to DNA at the same site as all-trans retinoic acid. 5,6-Epoxyretinoic acid also has effects on gene expression in human serum and inhibits the proliferation of cancer cells by inducing apoptosis. The synthetic retinoid can be used as a novel chemotherapeutic agent for breast cancer or leukemia.</p>

<p>1-(Aminomethyl)naphthalene is a hydrogen bond-forming molecule that has high values of hydrochloric acid. This compound reacts with sodium carbonate to form glycoside derivatives, which have been shown to display light emission. 1-(Aminomethyl)naphthalene can be used in the synthesis of oxytocin and toll-like receptor ligands, as well as other chemical reactions. The carbonyl group found in this molecule is responsible for the reactivity and stability of this compound.</p>

<p>Delta hexalactone is a fatty acid that has been shown to have antagonistic properties against bacterial growth. It has been tested for its antibacterial activity and shown to be active against human pathogens, including mycobacterium. Delta hexalactone is also used as an analytical method in order to detect the presence of glycol ethers.</p>

<p>1,3,5-Naphthalene trisulfonic acid is an organic compound that is the product of the sulfonation of naphthalene. It has been shown to inhibit the activity of 3β-hydroxysteroid dehydrogenase and 17β-hydroxysteroid dehydrogenase, enzymes involved in steroidogenesis. The maximal response was observed at a concentration of 500 μM with a detection time of 30 minutes. Xenopus oocytes were used for expression and chloride currents were recorded as an indicator for enzyme activity. Concentration-response curves were generated with organic solvents such as methanol and dimethyl sulfoxide (DMSO). 1,3,5-Naphthalene trisulfonic acid also inhibits the oxidative activities of some enzymes such as lipoxygenase and cyclooxygenase.</p>

<p>Ilexsaponin A1 is a natural saponin compound, which is derived from the plant Ilex pubescens. As a bioactive compound, it possesses a characteristic glycoside structure that facilitates its interaction with biological membranes. The mode of action of Ilexsaponin A1 involves modulating inflammatory pathways, likely through the inhibition of pro-inflammatory cytokine production and the suppression of related signaling cascades.</p>

<p>Please enquire for more information about 1-(2-Aminoethyl)-3-Phenylurea Hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Cefalexin monohydrate impurity F including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Fmoc-(S)-3-amino-3-(2-naphthyl)propionic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Acetyl-L-threonine is a nonessential amino acid that is used as a dietary supplement and in clinical chemistry. Acetyl-L-threonine binds to the extracellular signal in mammalian cells and may be involved in the regulation of gene expression. It has been found that acetyl-L-threonine is coagulant, which may be due to its ability to inhibit the formation of fibrinogen or clotting factors. This amino acid can also regulate the release of l-threonine from cells, which affects serum levels. Acetyl-L-threonine has been shown to increase the glomerular filtration rate, which may be due to its ability to increase coagulation.</p>

<p>Tyrosinase protein:<br>Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is a human tyrosinase-derived (369-377) peptide by posttranslational conversion of the sequence YMNGTMSQV. Tyrosinase is an oxidase membrane-bound protein. Tyrosinase play a key role in the melanin synthesis pathway. Tyrosinase is presented on the surface of HLA-A*02:01 melanomas and also expressed in melanocytes. Tyrosinase has been still suggested to be a tumor antigen and might be implicated in improvement of immunotherapeutic strategies such as for efficient anticancer vaccine development.<br>Applications of Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV):<br>Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is used to stimulate specific cytotoxic T lymphocytes (CTL) in PBMCs and then to analyze CTL response especially the cytokine production by ELISPOT assay. Peptide Tyrosinase (Asp371) – HLA-A*0201 (YMDGTMSQV) is also involved in experimental therapies of metastatic melanoma by allogeneic hematopoietic stem cell transplantation. In fact, cytotoxic T cells were generated from peripherical blood mononuclear cells (PBMCs) of HLA-A*02:01 healthy donors after being stimulated by injection of Asp371 antigen (2). This strategy raises issues which concern the graft versus tumor (GvT) effect and graft versus host disease (GvHD).</p>

<p>Please enquire for more information about L-Methionine-methyl-13C,methyl-D3 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2-Cyclohexyl-4,6-dinitrophenol is a chemical that inhibits the synthesis of viral DNA. It has been shown to have minimal toxicity in animal models and may be used for the treatment of metabolic disorders, such as hepatic steatosis or hepatitis. 2-Cyclohexyl-4,6-dinitrophenol has also been shown to inhibit the toll-like receptor (TLR) pathway and induce an antiviral state in vitro. In addition, it was found to have an effect on mitochondrial membrane potential, which may explain its antiviral activity. 2-Cyclohexyl-4,6-dinitrophenol has also been shown to inhibit viral replication in cells infected with HIV and other viruses such as Hepatitis C virus.</p>

<p>1a,25-Dihydroxy vitamin D2 is a compound that exhibits various characteristics and applications. It is known for its bioavailability and water-soluble properties, making it easily absorbed by the body. This compound has been extensively studied in the field of research chemicals. One of the notable features of 1a,25-Dihydroxy vitamin D2 is its potential therapeutic effects on ganglioside GM2-related disorders. It has been shown to interact with GM2 activator proteins and fatty acids, which are involved in the metabolism of GM2 gangliosides. This interaction may have implications for the treatment of certain neurological conditions. Additionally, 1a,25-Dihydroxy vitamin D2 has been investigated for its role in modulating immune responses and inflammatory processes. Studies have suggested that this compound can inhibit the production of pro-inflammatory substances like prostaglandins, offering potential anti-inflammatory benefits. Moreover, 1a,25-Dihydroxy vitamin D</p>

<p>Please enquire for more information about 3-Fluoro-4-hydroxybenzoic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Profenofos is a water-soluble organophosphate that can be used as a pesticide. It has been shown to have synergic effects with other pesticides, such as malathion and carbaryl. Profenofos has been studied for its toxicological properties in vitro and in vivo. These studies have shown that the lowest dose at which there are adverse effects on biochemical properties is 0.1 mg/kg of body weight. The mode of action of profenofos includes inhibition of esterases, glutathione reductase, and cytochrome P450 enzymes. This enzyme inhibition leads to an accumulation of acetylcholine in the synaptic cleft, which causes muscle paralysis and death from respiratory failure. Profenofos also affects cardiac function by blocking potassium channels, leading to heart rate changes and arrhythmias. Profenofos can be identified using chromatographic analysis or electrochemical impedance spectroscopy (EIS). EIS is</p>

<p>Please enquire for more information about 5'-Amino-5'-deoxy-2',3'-O-(1-methylethylidene)-adenosine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>H-YMDGTMSQVA-OH peptide, corresponding to 369-377 amino acids of enzyme tyrosinase. As a member of the tyrosinase family the corresponding enzyme catalyzes monopheol hydroxylation, dihydroxyindole and catechol dehydrogenation. It is a key enzyme in the conversion of tyrosine to melanin.</p>

<p>6-O-Methyl codeine is a drug that belongs to the class of opioid analgesics. It is used to treat severe pain and coughing in patients with infectious diseases, such as pneumonia or bronchitis. 6-O-Methyl codeine may be administered by mouth, intravenously, or intramuscularly. The mechanism of action of this drug is not fully understood, but it has been shown to decrease respiratory rate in some animal studies. 6-O-Methyl codeine also has an effect on the central nervous system and may cause dizziness, drowsiness, nausea, vomiting and constipation. This drug is metabolized through oxidative reactions with oxygenated molecules like fluorine or hydrogenated aromatic hydrocarbons. 6-O-Methyl codeine is a prodrug that can be converted into morphine following cleavage by liver enzymes.</p>

<p>2-Phenyl-2-(p-toluenesulfonyloxy)acetophenone is a diphenyl ether that is used in the production of polymers as an antireflection agent and an acid catalyst. It can be used to modify polymer properties such as optical properties or cross-linking. The compound has been shown to have a particle size of 2 to 10 nm in diameter, which can be adjusted by changing the reaction conditions.</p>

<p>Ilexsaponin B1 is a saponin, which is a bioactive compound derived from the genus Ilex, commonly found in certain holly plants. This compound is structurally characterized by its glycosidic bonds, which consist of a sugar moiety linked to a triterpenoid or steroid aglycone, contributing to its amphiphilic nature. The source of Ilexsaponin B1 is typically extracted from the leaves or roots of Ilex species through a series of solvent extraction and chromatographic techniques.</p>

<p>Please enquire for more information about Estradiol 3-valerate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Diethyl[2-(4-nitrophenoxy)ethyl]amine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>13-cis-b-Carotene is a carotenoid that has been classified as a provitamin. It is not active in humans but it can be converted to b-carotene, an active form of vitamin A. 13-Cis-b-Carotene is found in plant foods such as carrots and sweet potatoes and can be used for the prevention of atherosclerosis and heart disease. 13-Cis-b-Carotene has been shown to have antiatherogenic effects by inhibiting the oxidation of LDL cholesterol and may also inhibit the proliferation of cancer cells. The conversion of 13-cis-b-carotene to b-carotene occurs through a number of reactions, including beta oxidation, desaturation, and hydrolysis by esterases or glucuronidases.</p>

<p>Please enquire for more information about Tadalafil impurity C including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>