Padrões Farmacêuticas

Applications Pinic Acid (Diastereomeric Mixture) can be used to prepare pinic acid diamides as herbicides.
References Zou,R., et al.: Guangxi Daxue Xuebao, Ziran Kexueban, 36, 463 (2011);

Stability Air Sensitive
Applications 2-AMINOANTHRACENE (cas# 613-13-8) is a useful research chemical.

Applications 3',4',5'-Trifluoro-[1,1'-biphenyl]-2-amine is a building block used in various chemical synthesis.

Applications 5,7-Dimethoxycoumarin is a derivitized coumarin compound.

Applications An intermediate in the synthesis of the drug metabolite for Sertraline.

Stability Light Sensitive
Applications (S)-β-Pinene is a monoterpene that naturally occur in various plants. Due to its pine-like smell, its been used as a major constituent of hop aroma and flavor.
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 Li, Jingyi., et la.: J. Neurochem., 121, 881 (2012); Wu, J., et al.: J. Med. Plants. Res., 6, 2832 (2012);

Applications 5-Methylcytosine (cas# 554-01-8) is a useful research chemical.

Applications 2'-Hydroxybiphenyl-3-carboxylic acid

Applications [Leu5]-Enkephalin is a neurotransmitter used in molecular dynamics studies for the insertion of neurotransmitters into lipid bilayer membranes and their implication on membrane stability.
References Shen, C., et al.: ChemPhysChem, pages ahead of print (2017)

Applications Labelled Pyruvic acid (P998900). Intermediate in sugar metabolism and in enzymatic carbohydrate degradation (alcoholic fermentation) where it is converted to acetaldehyde and CO2 by carboxylase. In muscle, Pyruvic acid (derived from glycogen) is reduced to lactic acid during exertion, which is reoxidized and partially retransformed to glycogen during rest. The liver can convert Pyruvic acid to alanine by amination. A diagnostic agent for Parkinson disease.
References Wenzel, A., et al.: J. Neurosci., 21, 53 (2001), Martinez., et al.: Development, 6, 851 (2002), Nakayama, K., et al.: J. Biochem., 146, 757 (2009), Tanaka, T., et al.: J. Pharmacol. Sci., 109, 24 (2009),

Applications A major urinary labelled metabolite of N-nitrosoguvacoline (N527625) and N-nitrosoguvacine, found in cigarette tobacco.
References Ernst, H., et al.: Carcinogenesis, 8, 1843 (1987),

Applications 2,6-Dihydroxynaphthalene can produce convulsions in mice. Monooxylosylated 2,6-Dihydroxynaphthalene exhibits antiproliferative activity towards certain cells.
References Angel, A., et al.: Toxicol. Appl. Pharm., 21, 14 (1972); Jacobsson, M., et al.: J. Med. Chem., 49, 1932 (2006)

Applications 9,10-Dibromoanthracene-2-sulfonic Acid Sodium Salt (cas# 87796-18-7) is a compound useful in organic synthesis.

Applications Hexadecyl Acetate is a plant sex pheromone.
References Brasero, N., et al.: J. Chem. Ecol., 44, 9 (2018); Cuervo, M., et al.: J. Chem. Ecol., 43, 469 (2017)

Applications Naphthalene-1-sulfonic acid (cas# 85-47-2) is a useful research chemical.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 1, N6-Etheno-2’-deoxyadenosine-13C5 is caused by exposure to pollutants. It is an isotopically labeled analog of the 2’-Deoxyguanosine adduct.

Stability Hygroscopic
Applications Acetyl-d3-salicylic Acid is an an Analgesic; antipyretic; anti-inflammatory; antithrombotic and was found to have a large degree of similarity in terms of molecular reorientation just above the glass transition temperature, with other glass formers at its super cooled and glassy states.
References Nath, R., Nowaczyk, A., Geil, B., Boehmer, R.: J. Non-cryst. Solids, 353, 3788 (2007); Hart, E.R., et al.: J. Pharmacol. Exp. Ther., 89, 205 (1947); Florey, K., et al.: Anal. Profiles Drug Subs., 8, 1 (1979)

Applications 4-Bromobenzoic Acid Methyl Ester is halogenated benzoate used as a reagent in organic synthesis. 4-Bromobenzoic Acid Methyl Ester can be used to stimulate microbial dechlorination of PCBs. 4-Bromobenzoic Acid Methyl Ester is also used in the preparation of stable radioiodinating reagent to label monoclonal antibodies for radiotherapy of cancer.
References Wilbur, D.S. et al.: J. Nuclear Med., 30, 216 (1989); DeWeerd, K.A. et al.: Environ. Sci. Technol., 33, 2057 (1999);

Applications DL-Lanthionine is a thioether-amino acid which when present in peptides results in antimicrobial activity. Peptides with this amino acid within it become part of a group named lantibiotics.
References Lohans, C, et al.: J. Am. Chem. Sic., 136, 13150 (2014);

Applications Octyl-3,5-di-tert-butyl-4-hydroxyhydrocinnamate (cas# 125643-61-0) is an intermediate in synthesizing 7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione (D493755), an antioxidant naturally found in aerial parts of Gmelina asiatica Linn (Verbenaceae). It is also found in essential oils of some Stachys species from Mediterranean area. It is an impurity of Irganox used in the food packaging.
References Merlin, N., et al.: Pharmacogn. Res., 1, 152 (2009); Conforti, F., et al.: Food Chem., 116, 898 (2009), Riquet, A. et al.: Food Chem., 199, 59 (2016);

Impurity Mefenamic Acid EP Impurity D
Applications Benzoic Acid is used in the synthesis of 1,3,4-oxadiazoles with pharmaceutical activity. Also used in the synthesis of selective human A3 adenosine receptor antagonists.
References Rouhani, M. et al.: Ultrason. Biochem., 21, 262 (2014); Squarcialupi, L. et al.: J. Medic. Chem., 56, 2256 (2013);

Applications 9-cis-Retinyl Stearate-d5, is the labeled analogue of 9-cis-Retinyl Stearate (R275600), a fatty acid ester of Retinol isomer, found mainly in the retina.
References Bridges, C.D.B., et al.: Methods Enzymol., 81, 463 (1982),

Applications (-)-β-Copaene is a natural product, present in very small quantities in numerous plants and trees. It is used in the investigations of acid catalyzed, photochemical and thermally induced rearrangements of Germacrene D (G367765).
References Bulow, N., Konig, A.: Phytochemistry, 55, 141 (2000);

Applications n-Pentyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219798-66-9) is a useful isotopically labeled research compound.

3-Fluoro-DL-tyrosine is a model system for the study of tyrosine transfer reactions. It is used to study the reaction mechanism and kinetics of tyrosine transfer from a donor molecule to an acceptor molecule. 3-Fluoro-DL-tyrosine reacts with trifluoroacetic acid to form 3,4-dihydroxybenzoic acid, which is a chemical analog of tyrosine. The hydroxyl group on this molecule can react with the proton on the amino acid side chain, forming a covalent bond that does not break down under normal conditions. This reaction is reversible and has been shown to be catalyzed by polymerase chain reactions (PCR).

Ecgonine ethyl ester is a metabolite of cocaine that is found in the blood, urine, and cerebrospinal fluid of humans. It is used in drug assays to detect cocaine use. Ecgonine ethyl ester binds to the dopamine transporter and blocks dopamine uptake into cells, which leads to elevated levels of dopamine in the synapses. Ecgonine ethyl ester also inhibits serotonin reuptake and has been shown to induce apoptotic cell death in human cancer cells.

Glucostrophanthidin is a cardiac glycoside, which is derived from natural plant sources, specifically from species in the Apocynaceae family. This compound exerts its effects primarily through inhibition of the sodium-potassium ATPase enzyme, leading to an increase in intracellular sodium concentration. The downstream effect of this process involves an increase in intracellular calcium via the sodium-calcium exchange mechanism, ultimately enhancing the contractility of cardiac muscle fibers.

L-Aspartic acid b-methyl ester hydrochloride is a high quality, versatile building block that can be used as a reaction component in the synthesis of complex compounds. L-Aspartic acid b-methyl ester hydrochloride is a useful scaffold for the preparation of novel fine chemicals and research chemicals with potential uses as pharmaceuticals, pesticides, and agricultural chemicals. It can also be used as an intermediate in the preparation of some natural products or industrial chemicals. L-Aspartic acid b-methyl ester hydrochloride has a CAS number of 16856-13-6.

Please enquire for more information about Biotinyl-Gly-Gly-OH including the price, delivery time and more detailed product information at the technical inquiry form on this page

(-)-beta-Elemene is a natural product with antifungal and anticancer properties. It has been shown to have strong in vitro activity against myeloma cell lines, HL-60 cells, and K562 cells, which are all human cancer cell lines. (-)-beta-Elemene has also been shown to be active against group P2 bacteria, including Streptococcus pneumoniae and Haemophilus influenzae. This compound has been found to inhibit the growth of solid tumours in vivo. (-)-beta-Elemene inhibits the energy metabolism of cells by altering the mitochondrial membrane potential and blocking ATP synthesis. It also induces apoptosis by regulating key cell signaling pathways, such as caspase activation and Akt/mTOR pathway inhibition.

2,2'-Biphenol is a phenolic compound that is used in the synthesis of polymers. The thermal expansion coefficient of 2,2'-biphenol can be measured by DSC and found to be ˜6.5 × 10−4/°C. The UV absorption spectrum of 2,2'-biphenol shows three bands at wavelengths of 290 nm, 320 nm, and 370 nm. 2,2'-Biphenol has been shown to adsorb onto biological surfaces through an adsorption mechanism. It has been observed that this adsorption occurs via x-ray crystal structures and kinetic measurements have shown that the adsorption process is rate-limited by intramolecular hydrogen bonding between the protonated phenolic hydroxyl group and the aromatic ring. The activation energies for protonation and desorption have been determined to be ˜30 kJ/mol and ˜30 kJ/mol respectively. Ac

4-Methoxycinnamylidene acetaldehyde is a versatile building block with a CAS number of 27394-81-6. It is used in the research and production of fine chemicals, pharmaceuticals, and high quality reagents. 4-Methoxycinnamylidene acetaldehyde can be used as a useful scaffold for the synthesis of complex compounds. This building block is also a useful intermediate in organic chemistry reactions.

Ethyl 4-methoxycinnamate is a white crystalline solid that is soluble in water. It is used as a food additive, and has been shown to have anti-bacterial, analgesic, and antioxidant properties. The compound interacts with the β-cyclodextrin molecule when it is dissolved in water. This interaction leads to a decrease in its solubility in water.

Please enquire for more information about 1-(4-Cyanophenyl)-2-nitropropene including the price, delivery time and more detailed product information at the technical inquiry form on this page

Glycerin rosin ester is a polyunsaturated, hydrogenated, fatty acid that is used as a cross-linking agent. It is a mixture of glycerin and calcium stearate with traces of choroidal neovascularization. Glycerin rosin ester is used in the production of pharmaceutical preparations to increase the viscosity and stability of the formulation. Glycerin rosin ester has been shown to have a low thermal expansion coefficient, which allows it to be used as a hydrogen bond. This product also has an allergic effect on skin and can cause irritation if touched or inhaled. The transport rate for this product is 0.5 kilometers per hour at 20 degrees Celsius.

Please enquire for more information about ethyl 2-(6-bromo-2-naphthyloxy)acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page

4-(1-Adamantyl)-2-nitrophenol is a versatile building block that can be used to construct complex compounds. It is a research chemical that can be used as a reagent, as well as in the synthesis of pharmaceuticals and other chemicals. 4-(1-Adamantyl)-2-nitrophenol is soluble in water and ethanol, and has an odorless and colorless appearance. This chemical can be found under the CAS number 32599-84-1.

4-Dimethylaminocinnamic acid (DMA) is a natural organic compound found in plants and animals. This compound has been studied for its potential use as a drug, but it is not currently used in medicine. 4-Dimethylaminocinnamic acid can inhibit the activity of certain enzymes by binding to them, including the enzyme polymerase chain that synthesizes DNA. It also can bind to other proteins, such as carbonyl groups and cinnamic acid derivatives, which are found in human liver cells. 4-Dimethylaminocinnamic acid can form hydrogen bonds with other molecules due to its hydroxyl group and carboxylic acid group. It also has a high viscosity due to its long hydrocarbon chain.

Serotonin and norepinehrine reuptake inhibitor