Sulfonamidi e Derivati

<p>2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene is an impurity found in sulfasalazine. It is a metabolite that is formed by the P450 system in the liver. The metabolic process of 2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene has been studied in detail and has been shown to be a major contributor to the pharmacokinetic profile of sulfasalazine. This substance also exhibits antimicrobial activity and inhibits the growth of bacteria, fungi, and viruses.</p>

<p>2- (Diethylboryl)pyridine is a custom synthesis drug product that is used in research and development for the treatment of cancer. 2- (Diethylboryl)pyridine has been shown to be active against various types of cancer cells, including leukemia, breast, prostate, ovarian, gastric and pancreatic cancers. This compound can also be used as an impurity standard for HPLC analysis.</p>

<p>2-Hydroxy-5-[2-[4-[[(6-methyl-2-pyridinyl)amino]sulfonyl]phenyl]diazenyl]benzoic acid is a synthetic drug product that has not been approved for clinical use. 2-Hydroxy-5-[2-[4-[[(6-methyl-2-pyridinyl)amino]sulfonyl]phenyl]- diazenyl]benzoic acid is a metabolite of the drug product, 3-(2,4,6,-trimethoxybenzoyl)-1-(pyridinium methyl) piperidine. This metabolite was isolated and characterized using high performance liquid chromatography (HPLC), gas chromatography (GC), and nuclear magnetic resonance spectroscopy.</p>

<p>Torasemide Impurity E is a drug product that belongs to the group of impurities. It is a natural product and can be found in the environment. Torasemide Impurity E has been shown to inhibit bacterial growth in vitro and also antimicrobial activity against gram-positive bacteria, such as Staphylococcus aureus. Torasemide Impurity E has been shown to have no cytotoxic effects on human erythrocytes.</p>

<p>3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine is an analytical standard and a metabolite of sulfasalazine. It is used as a reference compound in the analysis of high purity sulfasalazine by HPLC. 3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine is also used as an impurity in the drug product, API, and drug development. The CAS number for 3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine is 1391062-34-2.</p>

<p>4-Amino-6-chloro-benzene-1,3-disulfonic acid 1-amide 3-ethylamide is an analytical standard that is used in drug development and as a reference material. It is used to produce the USP/NF standard for HPLC and to develop new drugs. This compound is a metabolite of the drug clonidine hydrochloride. 4-Amino-6-chloro-benzene-1,3-disulfonic acid 1-amide 3-(ethylamide) is also known by its CAS number 166863–9. It has a molecular weight of 328.5 g/mol and it's been approved by the FDA for use in food animals. Impurities found in this compound are: methanol, acetone, formic acid, acetic acid, chloroform and sulfamic acid. This product can be custom synthesized or obtained from natural sources such as plant</p>

<p>N-Acetyl zonisamide is a drug that is used in the treatment of epilepsy. It has a broad spectrum of activity and has been shown to be effective against seizures caused by both genetic and acquired conditions. N-Acetyl zonisamide's mechanism of action is not fully understood, but it may involve inhibition of carbonic anhydrase, modulation of serotonergic systems, and antagonism at adenosine receptors. Zonisamide also binds to glutamate and dopamine receptors in the brain, which may contribute to its clinical effects.</p>

<p>Ibuprofen amide is a nonsteroidal anti-inflammatory drug that belongs to the class of amides. It is an analog of ibuprofen, which has a hydrochloride group in place of the carboxyl group. Ibuprofen amide inhibits the production of pro-inflammatory chemicals by blocking cyclooxygenase enzymes, which are responsible for synthesis of prostaglandins and thromboxanes. The kinetic profile of this compound was obtained using fluorescence spectroscopy. This analytical method also showed that ibuprofen amide hydrolyzes in acidic conditions, suggesting that it may be active against bacteria that are found in an acidic environment.</p>

Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide (MTBC) is a drug target that is a carboxylate. MTBC has been shown to have potent inhibition activity against benzothiazine oxidases. MTBC can be used as an inhibitor of enzymes involved in the biosynthesis of benzothiazines and may be useful for the treatment of diseases such as Parkinson's disease and schizophrenia. The inhibition potential of MTBC has been unraveled through its interaction with peroxidases and other oxidases. In vitro studies have shown that MTBC can inhibit the oxidation of low molecular weight compounds by acting as a scavenger for hydrogen peroxide. This drug also exhibits unsymmetrical dehydration to produce methyl 4-(hydroxyamino)-2H-1,2-benzothiazine 1,1-dioxoate (MTBA), which is an

<p>Saccharin is a drug product that consists of saccharin N-isopropyl ester and an impurity standard. Saccharin is a synthetic sweetener that is found in the leaves of the herbaceous perennial S. dulcis, which has been used as a natural sweetener for centuries. Saccharin can be metabolized by humans to form 2-acetic acid and 4-methyl-1,2,3-thiadiazole (MTT) as a byproduct. The metabolite MTT may cause cancer in animals, but this has not been confirmed in humans. The pharmacopoeia specifies the purity of saccharin as 98% or greater. Metabolite standards are also provided for research purposes.</p>

<p>3,4-Dihydro-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide is a synthetic sulfoxide that is used as an antiinflammatory drug. It is a stable compound that can be used in the production of dimethyl sulfoxide and piroxicam. The purity of this compound is greater than 99.5%.</p>

<p>Torasemide EP Impurity C is a drug product that is used as an analytical standard in the metabolism studies of torasemide. Torasemide EP Impurity C belongs to the group of metabolites, and it has been shown to have pharmacopoeia standards. Torasemide EP Impurity C can be found in natural products, but also synthesized in laboratories.</p>

<p>Meloxicam is a nonsteroidal anti-inflammatory drug that is used in the treatment of osteoarthritis and rheumatoid arthritis. It has been shown to reduce the number of exacerbations in patients with juvenile idiopathic arthritis. Meloxicam also inhibits the production of Cox-2, which is an enzyme that produces inflammation in joints. The oral route of administration allows meloxicam to be distributed through the body. This drug is not active against ankylosing spondylitis and it should not be taken by pregnant women or children under 12 years old.</p>

<p>4-Amino-5,6-dimethoxypyrimidine is a pyrimethamine derivative that has been used as an antimalarial agent. It is a high yield compound with a chromatographic profile that can be used to identify impurities of other compounds. 4-Amino-5,6-dimethoxypyrimidine is eluted at the same time as sulfadoxine and can be used to calculate the concentration of sulfadoxine in a mixture. It can also be used as a reagent for rp-hplc. The linearity of this compound was tested by calibrating it against pyrimethamine and quantifying it using UV/Vis spectroscopy over the range 0.05 to 1 mg/mL.</p>

<p>This is a white crystalline compound that has been shown to be effective against glutamic acid-sensitive L-amino acid decarboxylase. It is used as an intermediate in the synthesis of other pharmaceuticals.</p>

<p>Bromfenac sodium imp-B is an analytical standard that is used in drug development and research to measure the concentration of bromfenac in pharmaceutical products. Bromfenac sodium imp-B is a white to off-white crystalline powder with a melting point of about 230°C. It is soluble in methanol, ethanol, and acetone, but insoluble in water. Bromfenac sodium imp-B can be synthesized from the corresponding bromo acid chloride.</p>

<p>1,1-Bis(p-isobutylphenyl)ethane is an acid catalyst that can be used in the synthesis of alkyl esters. It is unreactive at high temperatures and can be reused many times. 1,1-Bis(p-isobutylphenyl)ethane is also a component of catalytic carbonylation reactions. It reacts with acetaldehyde to form a metal carbonyl complex, which then reacts with a carbon monoxide molecule to form an ester. Carbonylation reactions are often used to synthesize organic compounds from alkyl halides or alcohols. Carbonylation reactions are catalyzed by metal carbonyls, such as palladium and nickel complexes.</p>

Altizide is a thiazide diuretic. It is used to treat oedema and hypertension.

<p>Pyroxasulfone is a pre-emergence herbicide that inhibits long-chain fatty acid production in plants.</p>

<p>Licogliflozin (LIK066) is an inhibitor of sodium-glucose cotransporter (SGLT1 and SGLT2).</p>

<p>Hydroflumethiazide is a thiazide diuretic. It has also shown the activity of anti-hypertensive.</p>

<p>Mefruside is a diuretic indicated for the treatment of edema and hypertension.</p>

<p>Xipamide (Diurexan) is a sulfonamide-based diuretic with antihypertensive properties. Xipamide selectively inhibits anion exchanger.</p>

<p>3-Chloro-4-hydroxyacetanilide is a chemical compound that belongs to the class of acetanilides. It has long-term toxicity and is used as a drug substance in the production of aniline derivatives. 3-Chloro-4-hydroxyacetanilide has been shown to be carcinogenic in hamsters. The long term exposure to this chemical was shown to cause liver damage and increased incidence of tumours in rats. This drug also contains impurities and traces of chloride, chlorine, and thionyl chloride, which are toxic substances that can cause irritation or burns on contact with skin or eyes.</p>

<p>Vaborbactam (RPX7009) is a β-lactamase inhibitor that is often used in conjunction with meropenem to study pneumonia and CRE infections.</p>

Amtolmetin guacil (ST-679) 抑制前列腺素合成和环氧合酶。 Amtolmetin guacil 具有与托美汀类似的 NSAID 特性，具有额外的镇痛、解热和胃保护特性。

Foramsulfuron is a potent ALS inhibitor and herbicide that inhibits plant growth, primarily targeting grass and broadleaf weeds in corn fields.

<p>Brodimoprim is an inhibitor of dihydrofolate reductase(DHFR).</p>

Glibornuride is a blocker of ATP-sensitive K+ channel(pKi: 5.75).

<p>Bromfenac Related Compound A is a chemical impurity, which is often encountered during the synthesis and formulation of bromfenac, a non-steroidal anti-inflammatory drug (NSAID). This compound arises as a byproduct in the chemical synthetic pathway utilized in the production of bromfenac, necessitating stringent analytical methods to ensure product purity and compliance with pharmaceutical standards.The mode of action for Bromfenac Related Compound A itself is not typically characterized, as it is primarily the parent compound, bromfenac, that is pharmacologically active. Bromfenac works by inhibiting cyclooxygenase enzymes (COX-1 and COX-2) that mediate inflammatory processes. However, the related compound is investigated to understand the synthesis intricacies and to refine processes that limit its formation.Understanding and controlling the levels of Bromfenac Related Compound A is crucial in pharmaceutical applications, as the presence of impurities can affect the efficacy, safety, and overall quality of the drug product. Analytical chemists and pharmaceutical scientists study this compound extensively using chromatographic and spectroscopic techniques to ensure drug safety and compliance with regulatory guidelines.</p>

<p>Tribenuron, a slow acting sulfonylurea herbicide, controls broadleaf weed.</p>