Pharmaceutical Standards
Pharmaceutical standards are a comprehensive set of reference materials essential for ensuring the safety, efficacy, and quality of pharmaceutical products. This category includes standards for active pharmaceutical ingredients (APIs), which are the core components responsible for therapeutic effects. Additionally, it covers compounds and metabolites relevant to both the pharmaceutical and veterinary industries, providing benchmarks for the accurate measurement and analysis of these substances. Nitrosamine control standards are crucial for detecting and mitigating potentially harmful nitrosamines in drug formulations. Toxicology standards help assess the safety and potential adverse effects of pharmaceutical compounds. Furthermore, enzyme activators and inhibitors standards are vital for research and development, enabling precise studies of biochemical pathways and drug mechanisms. These pharmaceutical standards are indispensable tools for regulatory compliance, quality control, and research, ensuring that pharmaceutical products meet stringent safety and effectiveness criteria.
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(273,766 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,605 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,608 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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4',6'-Dimethoxy-2'-hydroxy-3-methylacetophenone
CAS:<p>4,6-Dimethoxy-2-hydroxy-3-methylacetophenone belongs to the group of natural products. It is a phenolic compound that has been isolated from the leaves of plants in the genus Eucalyptus. 4,6-Dimethoxy-2-hydroxy-3-methylacetophenone has shown cytotoxic activity against cancer cells in an animal bioassay and inhibits tumor growth by inhibiting protein synthesis. This compound also exhibits chemosystematic properties and may be useful for research on natural products.</p>Formula:C11H14O4Purity:Min. 95%Color and Shape:White PowderMolecular weight:210.23 g/molEthyl 3-aminocinnamate
CAS:<p>Ethyl 3-aminocinnamate is a versatile building block for the synthesis of complex compounds. It is also a useful intermediate for the synthesis of reaction components, such as antihistamines and antigens. Ethyl 3-aminocinnamate can be used to synthesize speciality chemicals, such as research chemicals and reagents. This compound has high purity and is a useful scaffold for the preparation of related compounds.</p>Formula:C11H13NO2Purity:Min. 95%Molecular weight:191.23 g/mol2-Nitrophenol
CAS:<p>2-Nitrophenol has been used as an antimicrobial agent. 2-Nitrophenol is adsorbed onto the surface of an inert solid such as a metal or a ceramic, and is released when the adsorbent is contacted with water. The Langmuir adsorption isotherm for 2-nitrophenol on alumina was determined to be 1.4x10-3 mol/cm2. The adsorption data for 2-nitrophenol on human serum are given in Table 1.</p>Formula:O2NC6H4OHPurity:Min. 95%Color and Shape:PowderMolecular weight:139.11 g/mol3,3'-Diheptyloxacarbocyanine iodide
CAS:<p>3,3'-Diheptyloxacarbocyanineiodide (DHCI) is a fluorescent probe that is used in the treatment of solid tumours. It is taken up by tumor cells and causes them to fluoresce, which can be seen under a microscope. DHCI has been shown to be effective against hypoxic tumours and tumors with low oxygen levels due to its ability to penetrate tumor cells and deliver oxygen. The uptake of DHCI by cancer cells is also dependent on the permeability of the blood vessels present in the tumor. This drug has been shown to have a large therapeutic window for treatment of solid tumours.</p>Formula:C31H41N2O2•IPurity:Min. 95%Color and Shape:PowderMolecular weight:600.57 g/molCaffeidine
CAS:<p>Caffeine is a stimulant that is found in coffee, tea, and some soft drinks. It can also be used to treat certain medical conditions. Caffeine is a reactive molecule that binds to human serum proteins and has been shown to have chronic oral toxicity in rats. The methylation of caffeine leads to the formation of 1-methylxanthine, which has been shown to cause cancer in animal models when given chronically. Caffeine's carcinogenic effects are due to its ability to induce DNA mutations by reacting with oxygen radicals and oxidizing DNA bases as well as inhibiting DNA repair enzymes. Caffeine's chemical diversity makes it difficult for researchers to study its carcinogenicity.</p>Formula:C7H12N4OPurity:Min. 95%Color and Shape:White PowderMolecular weight:168.2 g/mol2-(2',3',4'-Trihydroxybutyl)quinoxaline
CAS:<p>2-(2',3',4'-Trihydroxybutyl)quinoxaline is a model system for the glyoxal-glycolaldehyde reaction. This reaction is important in the formation of organic acids and hydroxycarbonyl compounds. The kinetic of this reaction has been studied using glyoxal, glycolaldehyde, and hydroxycarboxylic acid as substrates. Reaction intermediates were identified by multiresponse techniques. Kinetic parameters were determined by modelling and kinetic experiments at different temperatures and concentrations.</p>Formula:C12H14N2O3Purity:Min. 95%Color and Shape:Off-White PowderMolecular weight:234.25 g/mol2,2',6,6'-Tetramethylbenzophenone
CAS:<p>2,2',6,6'-Tetramethylbenzophenone (TMBP) is a chemical compound that can be used as a low-temperature magnetic resonance probe. It has been shown to have a strong magnetic moment of 12.4 Bohr magnetons at room temperature and is highly soluble in organic solvents. The spectrum of TMBP consists of four isomers with the major one being the trans-isomer. TMBP has been shown to have a low-temperature magnetic resonance spectrum, which can be used in studies of chemical reactions under low temperatures.</p>Formula:C17H18OPurity:Min. 95%Molecular weight:238.32 g/molFmoc-O-tert-butyl-L-threoninol
CAS:<p>Fmoc-O-tert-butyl-L-threoninol is an aminoacyl chloroformate ester that is used in the synthesis of peptides. It has a conjugate acid chloride and a disulfide bond. The chloroformate group reacts with the carboxylic acid moiety of L-threonine to form an ester, which can then be cleaved by hydrolysis to yield L-threonine. This product is also used for the synthesis of peptides in which the threonine residue is conjugated to another amino acid such as cysteine or glutamic acid.<br>Fmoc-O-tert-butyl-L-threoninol is synthesized from l-threonine and isobutene via a phase chromatography process. The synthetic intermediate Fmoc-(S)-OH is reacted with trifluoroacetic acid (TFA)</p>Formula:C23H29NO4Purity:Min. 98 Area-%Color and Shape:White PowderMolecular weight:383.48 g/molBenztropine mesylate
CAS:<p>Benztropine is a drug that binds to the 5-HT2 receptors in the brain, which are involved in the regulation of many physiological functions, including motor control and memory. Benztropine is used primarily as an antiparkinsonian drug. It also has been shown to inhibit uptake of dopamine by blocking the dopamine transporter. This inhibition prevents reuptake of dopamine into presynaptic neurons, leading to increases in extracellular levels of dopamine and increased activity at dopaminergic synapses. Benztropine has been found to be a low-potency inhibitor of binding to certain other drugs, such as tricyclic antidepressant drugs and pharmacological agents.</p>Formula:C21H25NO·CH4O3SPurity:Min. 95%Color and Shape:PowderMolecular weight:403.54 g/mol2'-Chloropropiophenone
CAS:<p>2'-Chloropropiophenone is a synthetic compound with analgesic and anticonvulsant properties. It inhibits the production of enzymes that form fatty acids, which are the building blocks of muscle cells. This drug also has a muscle relaxant effect due to its ability to deactivate the lumbar muscles. 2'-Chloropropiophenone has been shown to be effective in treating herniated disks and spinal spondylitis, although it can only provide short-term relief. The drug is also used as a remedy for lumbago and sciatica.</p>Formula:C9H9ClOPurity:Min. 95%Color and Shape:Clear LiquidMolecular weight:168.62 g/mol4-Fluoro-3-nitrophenylacetic acid
CAS:<p>4-Fluoro-3-nitrophenylacetic acid is a chiral monomer that can be used to synthesize diphenyl ethers. The reaction requires a carbamic acid as the acid catalyst and a nucleophilic reagent, such as an amine. 4-Fluoro-3-nitrophenylacetic acid has been shown to have anti-cancer properties in vitro and in vivo. 4-Fluoro-3-nitrophenylacetic acid may also inhibit the synthesis of dihydroisoquinolines, which are important for the function of DNA polymerase. There are two strategies for synthesizing this compound: one is based on the condensation of two molecules of phenylacetaldehyde in the presence of an acid catalyst; the other employs a Lewis acid catalyst with a pyridine nucleophile.</p>Formula:C8H6FNO4Purity:Min. 95%Color and Shape:SolidMolecular weight:199.14 g/mol2-Isopropylnaphthalene
CAS:Formula:C13H14Purity:>95.0%(GC)Color and Shape:Colorless to Light yellow clear liquidMolecular weight:170.261,2-Dimethylnaphthalene
CAS:Formula:C12H12Purity:>95.0%(GC)Color and Shape:Colorless to Light orange to Yellow clear liquidMolecular weight:156.23(S)-2-Azido isovaleric acid cyclohexylammonium
CAS:<p>Please enquire for more information about (S)-2-Azido isovaleric acid cyclohexylammonium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C6H13N•C5H9N3O2Purity:Min. 95%Color and Shape:PowderMolecular weight:242.32 g/molBestatin hydrochloride
CAS:<p>Aminopeptidase inhibitor; analgesic</p>Formula:C16H24N2O4•HClPurity:Min. 95%Color and Shape:PowderMolecular weight:344.83 g/molβ-Naphthamide
CAS:<p>Beta-naphthamide is an inhibitor binding to the dinucleotide phosphate (DNP) in bacterial cells. This binding prevents the enzyme from carrying out its normal function, which is the production of ATP, and it also inhibits various other enzymes. Beta-naphthamide inhibits the growth of Gram-positive bacteria by inhibiting their cell wall assembly and also has a bactericidal effect on Gram-negative bacteria. Beta-naphthamide has been shown to be active against multidrug efflux pump proteins that are present in Gram-negative bacteria, such as Escherichia coli. DNP is a receptor for dopamine and beta-naphthamide inhibits dopamine receptors in mammalian cells, which may lead to Parkinson's disease. Beta-naphthamide has been shown to inhibit the polymerase chain reaction (PCR) mechanism by binding to DNA polymerase. Beta-naphthamide binds to receptors on trigeminal nerve endings, which leads to paralysis of</p>Formula:C11H9NOPurity:Min. 95%Molecular weight:171.2 g/mol4-Chlorosalicylic acid
CAS:<p>4-Chlorosalicylic acid is an inhibitor of bacterial growth that belongs to the group of phenolic compounds. It has been shown to inhibit the growth of bacteria in cell culture and be effective against a wide range of species, including Escherichia coli and Staphylococcus aureus. 4-Chlorosalicylic acid inhibits bacterial enzyme activities, such as 5-nitrosalicylic acid hydroxylase and diphenolase activities. This compound has also been shown to have anti-inflammatory properties, which may be due to its ability to inhibit prostaglandin synthesis. 4-Chlorosalicylic acid is an active intermediate in the production of other drugs such as 2,4-dichloroacetophenone and 2,5-dichlorobenzonitrile.</p>Formula:C7H5ClO3Purity:Min. 95%Color and Shape:PowderMolecular weight:172.57 g/molZ-L-tyrosine 4-nitrophenyl ester
CAS:<p>Z-L-tyrosine 4-nitrophenyl ester is a synthetic, inactivated amide that binds to the active site of enzyme, preventing its enzymatic activity. It prevents the formation of clots by cleaving the clotting factors and is used in blood transfusions. Z-L-tyrosine 4-nitrophenyl ester has been shown to inhibit the synthesis of surfactant and is used as an antiseptic. This drug can be prepared by reacting L-tyrosine with nitrophenol (NO2) in the presence of a base such as sodium hydroxide or potassium carbonate, followed by purification on sephadex g-100 columns. The product is then treated with hydrostatic pressure to remove any unreacted starting materials. This drug also has a sedimentation rate of about 1.5 x 10^6 cm/s.</p>Formula:C23H20N2O7Purity:Min. 95%Color and Shape:White/Off-White SolidMolecular weight:436.41 g/molN-(Ketocaproyl)-L-homoserine lactone
CAS:<p>N-(Ketocaproyl)-L-homoserine lactone is a fatty acid analog of the bacterial signaling molecule homoserine lactone and a potent inducer of cell lysis. The synthesis of this analog has been demonstrated in vitro with Escherichia coli, Bacillus subtilis, and Streptococcus pneumoniae. It is active against human pathogens including Helicobacter pylori and Staphylococcus aureus as well as mammalian tissue. N-(Ketocaproyl)-L-homoserine lactone induces cell lysis by binding to the DNA polymerase to inhibit its activity and terminate DNA synthesis. This inhibition leads to an accumulation of unprocessed RNA, which induces apoptosis in bacterial cells.</p>Formula:C10H15NO4Purity:Min. 98 Area-%Color and Shape:White PowderMolecular weight:213.23 g/mol3,6-Difluoro-2-hydroxybenzoic acid methyl ester
CAS:<p>3,6-Difluoro-2-hydroxybenzoic acid methyl ester is a combination of two substances that are used as deodorants and antiperspirants. They work by blocking the pores in the skin, which prevents perspiration and reduces body odor. 3,6-Difluoro-2-hydroxybenzoic acid methyl ester is not an anti-inflammatory drug.</p>Formula:C7H4F2O3Purity:Min. 95%Molecular weight:174.1 g/mol
