
Pharmaceutical Standards
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(277,537 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,677 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,891 products)
- Toxicology(13,294 products)
Found 8194 products of "Pharmaceutical Standards"
2,3,5-Trimethyl-4-nitropyridine 1-oxide
CAS:The reaction of 2,3,5-trimethyl-4-nitropyridine 1-oxide with hydrogen peroxide is an example of a peroxide reaction. The HOOH molecule is a nucleophilic and attacks the CNO group. This leads to the formation of a new bond between the oxygen and carbon atoms in the molecule. The oxygen atom then becomes an oxidizing agent, which can react with other molecules in order to form more products. In this reaction, hydrogen peroxide is used as an oxidizing agent to produce chlorine gas, water vapor, and nitric oxide gas. The reaction can be summarized as follows: 2CNO + 3HOOH → 4CO + 2O + 3N2O + 3HO2
Formula:C8H10N2O3Purity:Min. 95%Color and Shape:PowderMolecular weight:182.18 g/mol3,3',5-Triiodo-L-thyronine sodium salt
CAS:Synthetic thyroid hormone (T3) analog; promotes adipogenic differentiation
Formula:C15H11I3NNaO4Purity:Min. 95 Area-%Color and Shape:Slightly Yellow PowderMolecular weight:672.96 g/molRef: 3D-FT28507
Discontinued product(R)-(+)-2,2'-Diamino-1,1'-binaphthalene
CAS:(R)-(+)-2,2'-Diamino-1,1'-binaphthalene is a diammonium salt that is synthesized from fatty acids. This molecule is used in the detection of cancer cells in tissue samples. (R)-(+)-2,2'-Diamino-1,1'-binaphthalene has been shown to be an effective agent against cancer cells and can be used as a diagnostic tool for tissues with cancer cells. The mechanism of action of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene is not yet clear; however it may involve intramolecular hydrogen transfer reactions or coordination chemistry.
Formula:C20H16N2Purity:Min. 98 Area-%Color and Shape:White PowderMolecular weight:284.35 g/mol4-Chlorocinnamic acid
CAS:4-Chlorocinnamic acid is a malonic acid derivative and one of the cinnamic acid derivatives that has been shown to inhibit many chemical reactions. It inhibits the production of tyrosinase, which is an enzyme that catalyzes the conversion of tyrosinase to 4-hydroxycinnamic acid. 4-Chlorocinnamic acid also inhibits the growth of Candida glabrata in vitro. The effect on candida is due to its ability to inhibit the production of hydroxyl group and aromatic hydrocarbon, both of which are required for candida's survival. 4-Chlorocinnamic acid binds with aryl halide and neutral ph, preventing it from reacting with other substances.
Formula:C9H7ClO2Purity:Min. 95%Color and Shape:PowderMolecular weight:182.6 g/mol4'-(Trifluoromethyl)acetophenone
CAS:4'-(Trifluoromethyl)acetophenone is a phosphatase inhibitor that has been shown to have inhibitory activity against chemokines. Chemokines are a type of cytokine that are secreted by immune cells and play an important role in inflammation. 4'-(Trifluoromethyl)acetophenone has also been shown to have an effect on the cell membrane permeability of amines and 2-aminobenzyl alcohol, which are substrates for the enzyme. 4'-(Trifluoromethyl)acetophenone reacts with imidazole derivatives, such as trifluoride, forming hydrogen bonds between the two molecules. Kinetic studies have demonstrated that this reaction is reversible in solution at room temperature.
Formula:C9H7F3OPurity:Min. 95%Color and Shape:PowderMolecular weight:188.15 g/molRef: 3D-FT28471
Discontinued product4-Carboxycinnamic acid
CAS:4-Carboxycinnamic acid is an organic compound that is a derivative of cinnamic acid. It is a colorless solid that is soluble in organic solvents and has high resistance to environmental pollution. 4-Carboxycinnamic acid has been shown to have photocatalytic activity in the presence of UV radiation, with a quantum yield of 0.2% at 365 nm. It also exhibits fluorescence properties, but these are not as strong as the parent compound, cinnamic acid. 4-Carboxycinnamic acid has functional groups that can be activated by hydrogen bonding interactions and uptake into cells. This compound also reacts with sulfonic acids to form sulfinic acids and hydrochloric acid to form chlorocinnamic acids. Chronic pulmonary effects were observed in animals after inhalation of this substance for 30 minutes per day for 10 days. X-ray crystal structures have been determined for 4-carboxycinnamic acid and its
Formula:C10H8O4Purity:Min. 95%Color and Shape:PowderMolecular weight:192.17 g/molGuanosine-5'-triphosphate Disodium Salt (~85%)
CAS:Controlled ProductApplications Guanosine-5'-triphosphate disodium salt (CAS# 56001-37-7) is a nucleotide used in the preparation of photoreactive GTP affinity probes, and in inhibitors of eukaryotic initiation factor eIF-4E.
References George Cisar, E. A.; J. Am. Chem. Soc., 135, 4676 (2013); Ghosh, P.; et al.: Bioorg. Med. Chem. Lett., 16, 750 (2006).Formula:C10H14N5O14P3Na2Purity:~85%Color and Shape:NeatMolecular weight:567.14N-Acetylethylene Urea-d4
CAS:Controlled ProductApplications N-Acetylethylene Urea-d4 (cas# 1189701-94-7) is a compound useful in organic synthesis.
Formula:C5H4H4N2O2Color and Shape:NeatMolecular weight:132.15Ethyl Dichlorophosphate
CAS:Controlled ProductFormula:C2H5Cl2O2PColor and Shape:White to Off-White SolidMolecular weight:162.943,4'-Dimethoxy-2'-hydroxychalcone
CAS:3,4'-Dimethoxy-2'-hydroxychalcone is a reaction component and useful scaffold for the synthesis of complex compounds. This chemical is an intermediate in the synthesis of various pharmaceuticals, such as anti-tuberculosis drugs, cancer chemotherapeutics and antibiotics. 3,4'-Dimethoxy-2'-hydroxychalcone has been shown to be a versatile building block that can be used to synthesize both natural products and pharmaceuticals. This compound also has a wide range of applications in the production of fine chemicals.
Formula:C17H16O4Purity:Min. 95%Molecular weight:284.31 g/molSulfosuccinimidyl 3-[[2-(biotinamido)ethyl] dithio]propionate sodium salt
CAS:Sulfosuccinimidyl 3-[[2-(biotinamido)ethyl] dithio]propionate sodium salt (BSP) is a biotin-avidin binding molecule that forms a covalent linkage with the antigen and antibody. It is used in immunoassays to detect specific antigens or antibodies in biological samples. BSP is manufactured by reacting carbodiimide hydrochloride with sulfosuccinic acid. The product can be used for a variety of immunoassays such as enzyme-linked immunosorbent assays, real-time polymerase chain reaction, and immunohistochemistry. The sensitivity of this product has been shown to be greater than those of other detection methods such as Western blotting.Formula:C19H27N4NaO9S4Purity:Min. 95%Color and Shape:White Off-White PowderMolecular weight:606.69 g/mol7-Nitrocoumarin
CAS:7-Nitrocoumarin is an agent that inhibits the growth of protozoa by inhibiting enzyme activities, specifically those involved in glycolysis. It has been shown to be a potent inhibitor of surface proteins and functional assays. 7-Nitrocoumarin is also active against trophozoites in vitro. The compound has been shown to be nontoxic to mammalian cells, with a constant of 0.3 μM for inhibition of resazurin reduction. The mechanism of action for 7-nitrocoumarin is not well understood, but it may involve oxidation products such as nitro groups, which are indicated by the prefix '7-'.
Formula:C9H5NO4Purity:Min. 95%Color and Shape:PowderMolecular weight:191.14 g/molRef: 3D-FN26298
Discontinued product6-Methyl-4-hydroxycoumarin
CAS:6-Methyl-4-hydroxycoumarin is a coumarin derivative that has been shown to have potent inhibitory activity against both Gram-positive and Gram-negative bacteria. It also inhibits the growth of leukemia cells and shows anti-inflammatory properties. The photophysical studies of this molecule show that it has absorption bands in the visible region, which may be attributed to its hydroxyl group. 6-Methyl-4-hydroxycoumarin has also been shown to be an effective inhibitor of LPS (lipopolysaccharide)-stimulated RAW 264.7 cells, as well as benzofuran derivatives that have been shown to have inflammatory propertys.
Formula:C10H8O3Purity:Min. 95%Color and Shape:PowderMolecular weight:176.17 g/molRef: 3D-FM12567
Discontinued productN-a-t-Boc-N-g-trityl-L-asparagine
CAS:N-a-t-Boc-N-g-trityl-L-asparagine is a recombinant human protein that has been synthesized in E. coli. It is a peptide with 17β-estradiol at its C terminus, and it binds to the oestrogen receptor α (ERα) via hydrogen bonding interactions. The linker between the asparagine and estradiol is a Boc group that can be removed by protease activity, revealing the active form of 17β-estradiol. ERα ligates to N-a-t-Boc-N-g-trityl L asparagine with high affinity, and this interaction is reversible. The linker also contains a functional group for surface attachment, which may be used to attach this peptide to a solid support or tissue culture substrate for use in cell cultures.
br>Formula:C28H30N2O5Purity:Min. 95%Color and Shape:White PowderMolecular weight:474.55 g/molRef: 3D-FB39381
Discontinued product2',4-Dihydroxy-3-methoxychalcone
CAS:2',4-Dihydroxy-3-methoxychalcone is a chalcone that has been shown to have reactive properties. The compound was found to be cytotoxic to cancer cells in the presence of neutrophils, and it has been shown to inhibit the growth of t47d cells in culture. There is also evidence that 2',4-Dihydroxy-3-methoxychalcone may help regulate the microflora in the gut, which may help prevent obesity and diabetes. In epidemiological studies, 2',4-Dihydroxy-3-methoxychalcone was found to be protective against cancer, but more research is required.
Formula:C16H14O4Purity:Min. 95%Color and Shape:PowderMolecular weight:270.28 g/molMethyl (2E)-2-Deoxy-2-(2-ethoxy-2-oxoethylidene)-3,4-O-isopropylidene-β-L-erythro-pentopyranoside-13C3
Controlled ProductFormula:C3C10H20O6Color and Shape:NeatMolecular weight:275.272α-Ketobutyric Acid-d2 Sodium
CAS:Controlled ProductFormula:C4D2H3O3·NaColor and Shape:NeatMolecular weight:126.083(-)-γ-Cadinene
CAS:Controlled ProductFormula:C15H24Color and Shape:ColourlessMolecular weight:204.3512,3-Dinor iPF2α-III-d9
CAS:Controlled ProductFormula:C18D9H21O5Color and Shape:NeatMolecular weight:335.483Etioporphyrin I Nickel
CAS:Controlled ProductFormula:C32H36N4NiColor and Shape:NeatMolecular weight:535.348Triethylborane (1.0 M in THF)
CAS:Controlled ProductApplications Triethylborane reacted with 8-hydroxyquinoline to synthesize three 8--hydroxyquinolato (q) boron compounds B(C2H5)2q (1), BPh2q (2), and B(2-naph)2q (3).
References Wu, Q., et al.: Chem. Mater., 12, 79 (2000).Formula:C6H15BColor and Shape:Single SolutionMolecular weight:97.99p-Cresol-(methyl-13C)
CAS:Controlled ProductApplications The formation of p-Cresol-(methyl-13C) via phenol methylation at higher temperature from the deactivation of basic catalyst.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Borodina, I. B., et al.: Russ. J. Phys. Chem., 80, 892-898 (2006)Formula:CC6H8OColor and Shape:NeatMolecular weight:109.13N-Methylperfluorooctanesulfonamide-d3 (50μg/mL in Methanol)
CAS:Controlled ProductFormula:C9HD3F17NO2SColor and Shape:Single SolutionMolecular weight:516.19Naphthalene
CAS:Naphthalene is a chemical that is used for wastewater treatment and as a pesticide. It is also used in the manufacturing of polymers, resins, and plastics. Naphthalene has antimicrobial properties due to its hydrophobic effect. Naphthalene's antimicrobial activity is based on its ability to react with the skeleton of bacterial cells and disrupt the integrity of their outer membrane. Naphthalene also interacts with proteins and DNA, causing cell death. The molecular mechanisms of naphthalene's antibacterial activity are not well understood but have been studied using Hl-60 cells, which are immortalized human monocytic leukemia cells. This study showed that naphthalene affects the cell cycle by inhibiting protein synthesis in bacteria through binding to ribosomes or by disrupting the dna replication process.
Formula:C10H8Purity:Min. 95%Molecular weight:128.17 g/molRef: 3D-FN10260
Discontinued productL-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
Formula:C10H13NO3·HClPurity:Min. 95%Molecular weight:231.68 g/molRef: 3D-FH50229
Discontinued productValeric 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.
Formula:C5H10O2Purity:Min. 95%Molecular weight:102.13 g/molRef: 3D-FV34914
Discontinued productVitamin B12 c-lactone
CAS:Please enquire for more information about Vitamin B12 c-lactone including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C63H85CoN13O15PPurity:Area-% Min. 95 Area-%Molecular weight:1,354.33 g/molRef: 3D-FV167409
Discontinued product(NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide
CAS:Controlled ProductPlease enquire for more information about (NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C19H20ClN3O4SPurity:Min. 95%Molecular weight:421.9 g/molRef: 3D-FN154024
Discontinued productCodeine Impurity F
CAS:Controlled ProductCodeine 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.
Formula:C18H21NO4Purity:Min. 95%Molecular weight:315.36 g/molRef: 3D-FC161072
Discontinued product(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol
CAS:Controlled ProductPlease enquire for more information about (17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C22H30O2Purity:Min. 95%Molecular weight:326.47 g/molRef: 3D-FE23118
Discontinued product3-Chloro-4-nitropyridine 1-oxide
CAS: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.
Formula:C5H3ClN2O3Purity:Min. 95%Molecular weight:174.54 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.
Formula:C10H8F6OPurity:Min. 95%Molecular weight:258.16 g/molRef: 3D-FB18756
Discontinued product4-(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:Controlled ProductPlease 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 pageFormula:C19H17ClN4O2SPurity:Min. 95%Molecular weight:400.88 g/molRef: 3D-FC20337
Discontinued product([ring-D5]Phe6)-Somatostatin-14
Please enquire for more information about ([ring-D5]Phe6)-Somatostatin-14 including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C76H99D5N18O19S2Purity:Min. 95%Molecular weight:1,642.91 g/molRef: 3D-FR110019
Discontinued product3-Hydroxy-3-methylglutaric acid
CAS:3-Hydroxy-3-methylglutaric acid is an organic acid that is a valuable intermediate in the chemical production of epidermal growth factor. 3-Hydroxy-3-methylglutaric acid also has been shown to be useful as a reagent for the detection of bacterial strains, including E. coli, Salmonella enterica, and Pseudomonas aeruginosa. The enzyme activities of 3-hydroxy-3-methylglutaric acid are not well understood, but it has been shown to have effects on congestive heart failure and bowel disease. 3-Hydroxy-3-methylglutaric acid may be used in the treatment of inflammatory bowel disease due to its ability to inhibit certain enzymes responsible for inflammation and pain. The long term toxicity and symptoms associated with 3-hydroxy-3-methylglutaric acid have not yet been studied, but it has been shown to have no effect on cardiac function
Formula:C6H10O5Purity:Min. 95%Molecular weight:162.14 g/mol3-Iodo-L-tyrosine
CAS:Please enquire for more information about 3-Iodo-L-tyrosine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C9H10INO3Purity:Min. 96.0 Area-%Color and Shape:PowderMolecular weight:307.09 g/molRef: 3D-FI12110
Discontinued productBiotin-PEG8-NHS ester
CAS:Biotin-PEG8-NHS ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Biotin-PEG8-NHS ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.Formula:C33H56N4O14SPurity:Min. 95%Color and Shape:PowderMolecular weight:764.88 g/molRef: 3D-FB72908
Discontinued productAMCA-Glu-Glu-Lys-Pro-Ile-Ser-Phe-Phe-Arg-Leu-Gly-Lys(biotinyl)-NH2
CAS:Please enquire for more information about AMCA-Glu-Glu-Lys-Pro-Ile-Ser-Phe-Phe-Arg-Leu-Gly-Lys(biotinyl)-NH2 including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C90H131N21O22SPurity:Min. 95%Molecular weight:1,891.2 g/molRef: 3D-FA110984
Discontinued productL-Tyrosine dipotassium
CAS:L-Tyrosine dipotassium salt is a high quality, reagent, complex compound, useful intermediate and fine chemical. It is a useful scaffold that can be used in the synthesis of various important natural products. L-Tyrosine dipotassium salt is a versatile building block that has been widely applied in research on the development of new drugs, such as antiviral agents and antibiotics. L-Tyrosine dipotassium salt can act as a reaction component for many organic reactions. It also has applications in many areas such as medicine, food production, and environmental protection.
Formula:C9H11NO3•K2Purity:Min. 95%Molecular weight:259.39 g/mol5-Deazariboflavin
CAS:5-Deazariboflavin is a proton carrier that is found in the mitochondrial cytochrome b. It has been shown to bind covalently to the protein, forming 5-deazariboflavin-protein adducts. These adducts are formed by reacting with amines and other amino acids present in the protein. In vitro studies have shown that 5-deazariboflavin inhibits Mycobacterium avium growth and acid production by binding to the enzyme pyruvate kinase, which is involved in glycolysis. 5-Deazariboflavin can also be used as an indicator of pH because it is reduced at low pH levels and oxidized at high pH levels. The second order rate constant for this reaction can be determined using kinetic data, such as absorbance or fluorescence properties.
Formula:C18H21N3O6Purity:Min. 95%Color and Shape:Yellow PowderMolecular weight:375.38 g/mol2,6-Dimethylaniline hydrochloride
CAS:Ropivacaine Related Compound A is a chemical compound that has not been fully characterized. It is an inhibitor of the enzyme P-hydroxybenzoic acid, which is involved in the synthesis of tyrosine and phenylalanine. Ropivacaine Related Compound A has shown to be potent inducers of the enzyme polymerase chain reaction (PCR) when combined with other chemicals such as potassium peroxydisulfate. The optimum concentration for this chemical compound to inhibit PCR reactions is 50 mM. Ropivacaine Related Compound A may have carcinogenic potential due to its ability to form p-hydroxybenzoic acid and other carcinogenic compounds. This chemical compound has been found to be a good candidate for wastewater treatment due to its low potency and high solubility in water.
Formula:C8H12ClNPurity:Min. 95%Color and Shape:PowderMolecular weight:157.64 g/mol2-Bromo-3',4'-(methylenedioxy)propiophenone
CAS:Controlled ProductPlease enquire for more information about 2-Bromo-3',4'-(methylenedioxy)propiophenone including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C10H9BrO3Purity:Min. 95%Color and Shape:PowderMolecular weight:257.08 g/mol(D-Trp8)-Somatostatin-14 trifluoroacetate salt
CAS:Please enquire for more information about (D-Trp8)-Somatostatin-14 trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C76H104N18O19S2Purity:Min. 95%Molecular weight:1,637.88 g/molRef: 3D-FT108921
Discontinued product

