APIs pour la recherche et les impuretés

6-Epi pravastatin sodium salt is a synthetic compound with the same molecular formula and chemical structure as the natural product. It has been used in pharmacological studies, drug development, and research. 6-Epi pravastatin sodium salt is a metabolite of pravastatin.

Tirzepatide Impurity

This compound is a research and development impurity standard. It is synthesized in accordance with the pharmacopoeia, and it is an API impurity. It is also used as a metabolite standard for drug development and metabolism studies. This compound has been tested in HPLC standards.

Cimetidine impurity F is a research and development, drug product, analytical, synthetic, natural, niche, HPLC standard and pharmacopoeia impurity.
CAS No. 55272-86-1

11-(1-Piperazinyl)dibenzo[b,f][1,4]thiazepine hydrochloride is a drug product that is used as an impurity standard in the manufacture of 11-aminoundecanoic acid. It is also used to study the metabolism of this compound. This drug product is not intended for use in humans or animals.

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2-Phenylbutyric acid is a product of the oxidation of phenylacetic acid by flavus. 2-Phenylbutyric acid is an inhibitor of contactor reactions that use α1-acid glycoprotein as a chromatographic support. It has been shown to inhibit the reaction mechanism of extractants (e.g., butamirate citrate) with enantiomeric compounds (e.g., creatine). It also inhibits subclinical mastitis in cows and fatty acid synthesis, leading to decreased cholesterol synthesis in humans.

Olsalazine sodium impurity C is a metabolite of olsalazine sodium. It is a natural product that can be custom synthesized for research and development purposes. Olsalazine sodium impurity C has been shown to have pharmacopoeia-grade purity and can be used as an analytical standard or an API impurity in drug products. The CAS number for this substance is 259151-72-9.

Memantine impurity IV is a hydrolysis product of memantine. It appears as a white to off-white powder and has a molecular weight of 198.1 g/mol. Memantine impurity IV is an intermediate in the production of memantine and is therefore not used for any other purpose. The compound contains hydroxy groups, hydroxy, alcohols, and bridgehead groups which are efficient at hydrolyzing to form amino acids.

Tirzepatide impurity.

Tacrolimus is a macrolide that is used as an immunosuppressive drug. It has been shown to bind to the FK-binding protein, which in turn inhibits calcineurin. This prevents the release of IL-2, TNF-α and other cytokines. The immunosuppressive effects of tacrolimus have been evaluated using analytical methods such as coefficients, affinity, and monitoring techniques such as immunoassays and agglutination. These techniques are used to evaluate the plasma concentration of tacrolimus. Tacrolimus also binds to proteins in the blood samples and can be detected by turbidimetric or electrochemiluminescence immunoassay reagents.

Trazodone is a psychotropic agent that belongs to the group of antidepressants. Trazodone hydrochloride impurity C is a metabolite of trazodone and can be used as an impurity standard for the drug product in pharmacopoeia. Trazodone hydrochloride impurity C has been found in urine, blood, and saliva after administration of trazodone. It is also found in the plasma of pregnant women who are taking trazodone to treat depression or anxiety during pregnancy.
Trazodone hydrochloride impurity C is synthesized using a custom synthesis with high purity. It has been shown to have a niche market as an analytical reference material for HPLC standards.

11-Fluoro desloratadine is a metabolite of the antihistamine, loratadine. It has shown to be an analytical standard for HPLC, and impurity standard for pharmacopoeia. 11-Fluoro desloratadine is typically synthesized by reacting loratadine with fluorinating reagent such as N-fluorosuccinimide (NFSI) in the presence of a base catalyst such as sodium methoxide. 11-Fluoro desloratadine is also found in breast milk at concentrations of up to 1.2% of total loratadine concentration, which has been attributed to incomplete metabolism or passive transfer from mother to child.

Rabeprazole is a proton pump inhibitor that suppresses the production of stomach acid by blocking the H+/K+ ATPase enzyme. It is used for the treatment of gastroesophageal reflux disease, peptic ulcers, and Zollinger-Ellison syndrome. Rabeprazole has been shown to be more effective than omeprazole in reducing gastric acid secretion in two-way crossover studies. Rabeprazole also has been shown to inhibit the growth of antibiotic-resistant strains of bacteria. In addition, rabeprazole binds to metal ions like iron and copper, which may affect its pharmacokinetics and efficacy. This drug is currently being investigated as an analytical method for determination of proton pump inhibitors in human serum and urine samples by electrochemical impedance spectroscopy (EIS).

Esomeprazole is a proton pump inhibitor used to treat gastroesophageal reflux disease and other conditions where there is too much stomach acid. It is available as a capsule or tablet in doses of 20, 40, and 60 mg. Esomeprazole inhibits the production of gastric acid by blocking the hydrogen/potassium adenosine triphosphate (H+/K+ ATPase) enzyme system at the secretory surface of the gastric parietal cells. Omeprazole is an acidic drug that blocks the H+/K+ ATPase enzyme system. The two drugs have been compared in two-way crossover studies using healthy volunteers who were given omeprazole magnesium for one week followed by esomeprazole sodium for another week. There was no difference in their effect on acid secretion or on heartburn relief. The plasma concentrations of both drugs increased with increasing dose, but there was no significant difference between them in terms of either

Rifaximin Impurity 1 is a synthetic impurity standard for Rifaximin. It is a metabolite of rifaximin and is used in research and development to test the purity of drug products. It has a molecular weight of 314.2 g/mol and molecular formula C9H16N4O4S. This product is not manufactured by or for the original equipment manufacturer (OEM).

Erythromycin impurity M is a natural, API impurity (impurity standard) that is a metabolite of erythromycin. It has been synthesized as a high purity HPLC standard to meet the requirements of pharmacopoeia and drug development. Erythromycin impurity M is an analytical reference material with CAS number 528-73-2.

Terbutaline Impurity D is a synthetic drug with the CAS number 94109-61-2. This product has been developed as an impurity standard for Terbutaline, which is a drug product that has been approved by the United States Pharmacopoeia (USP). Terbutaline Impurity D can be used to study the metabolism of Terbutaline in animals. It is also used to develop new drugs by chemists and other scientists.

Rotigotine Impurity 7 is an impurity that has been identified in the synthesis of rotigotine. Rotigotine Impurity 7 is a synthetic compound with a CAS number of 1229620-82-9. It is intended for use as an analytical standard and as a component in the manufacture of rotigotine, which is indicated for the management of Parkinson's disease. This product has not been tested in animals or humans, and it should be handled with care.

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Urolithin M5 is a drug product that has undergone custom synthesis, and is high in purity. It has CAS No. 91485-02-8, analytical data, metabolism studies, and drug development. Urolithin M5 is natural, with a metabolite pharmacopoeia and niche. There are impurities in this substance that are of synthetic origin and have an analytical HPLC standard. This substance has been researched and developed for use as an Impurity Standard.

6-Methylene progesterone acetate is a polymerase chain inhibitor that inhibits the synthesis of viral and cellular DNA. It was first isolated from infected cells in tissue culture and has been shown to inhibit the growth of a wide range of viruses, including rabies, herpes simplex, herpes zoster, cytomegalovirus, varicella-zoster virus, and vesicular stomatitis virus. 6MPAA also blocks the production of gene products in mammalian cells by preventing RNA synthesis. This drug can be used as an antiviral agent for treatment of enteritis caused by rotavirus infection. 6MPAA binds to gp2 protein on the surface of virus particles and prevents this protein from interacting with polyclonal antibodies or monoclonal antibodies to prevent antibody response.

Di-2-thienylmethanone is a pyrazole with an activation energy of about 10.5 kcal/mol. It has been found to be toxic and can cause cell lysis. This molecule has been used in the synthesis of a number of drugs, including thiopental, a barbiturate that is used as an anaesthetic. Di-2-thienylmethanone is also the precursor for the synthesis of fluoroquinolones, which are potent antibacterial agents. The Friedel-Crafts reaction is one way this molecule is synthesized, and it involves the addition of an alkyl halide to an unsaturated double bond. This reaction is named after Charles Friedel and James Crafts who first discovered it in 1877.

Terbinafine is an antifungal agent that belongs to the family of medicines. It is used to treat fungal infections of the skin, nails and scalp. Terbinafine can also be used to treat other types of fungal infections, such as tinea corporis (ringworm), tinea cruris (jock itch), tinea pedis (athlete's foot) and tinea capitis (scalp ringworm). Terbinafine dimer impurity dihydrochloride is a by-product of terbinafine hydrochloride that has been shown to have industrial applications as a dispersant or lubricant in industries such as papermaking.

9-Oxo azithromycin B is a metabolite of azithromycin. It is an analytical standard for the HPLC analysis of azithromycin and its metabolites. 9-Oxo azithromycin B has been shown to bind to the ribosomes of bacteria, and inhibit protein synthesis. This drug also has antibiotic activity against Mycobacterium avium and Mycobacterium tuberculosis. 9-Oxo azithromycin B can be used in niche research or as an API impurity.br>
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5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole is an inhibitor of cytochrome P450 2C19. It has been shown to inhibit the activity of this enzyme in a concentration dependent manner and to enhance the activity of omeprazole by inhibiting its metabolism. 5-Methoxy-2-[(4-methoxy, 3,5 dimethylpyridiniumyl)methyl]sulfonyl]-1H benzimidazole is used as a model system for studying drug interactions due to its ability to inhibit cytochrome P450 2C19 and CYP2C19 protein expression. 5 METHOXY - 2 - [[ ( 4 - METHOXY - 3 , 5 - DIMETHYL - 2 - PYRIDINYL ) M

Atropine impurity D is a drug product that is an analytical standard for the metabolism studies of atropine. It is a natural API that belongs to the group of drugs and has CAS number 72-48-0. This drug has been synthesized from the synthetic process and then purified by HPLC. The purity of this drug exceeds 99%. Atropine impurity D is used as an impurity standard in pharmacopoeia, research and development, and drug development.

Natriuretic hormone; induces uterine contraction and lactation

Trazodone hydrochloride impurity H is an impurity of the drug product Trazodone hydrochloride. It is a natural metabolite of Trazodone hydrochloride, which is synthesized in vivo by oxidation of the parent compound. Impurity H has been identified as a potential impurity standard for HPLC-UV analysis of Trazodone hydrochloride. The purity of this compound is 98.3% and it is available on a custom synthesis basis.

2-Carboxybenzoyl amlodipine is a metabolite of the antihypertensive drug amlodipine. It is a white crystalline solid that is soluble in water. 2-Carboxybenzoyl amlodipine can be used as an impurity standard for HPLC analyses, and as an analytical standard for the determination of amlodipine in human plasma.

Lenvatinib impurity 10 is a synthetic impurity that is used as an analytical standard in HPLC. It is also a metabolite of lenvatinib and has been found to have anti-inflammatory properties. Lenvatinib impurity 10 is available in high purity and can be custom synthesized to meet the needs of your research or development.

Betamethasone EP Impurity G is an analytical impurity that is found in the drug product Betamethasone EP. It is also a natural, synthetic, and custom synthesis impurity that has been manufactured to be an impurity standard. Betamethasone EP Impurity G has a CAS number of 85700-75-0 and is a niche HPLC standard for research and development purposes. This high purity impurity may be synthesized from other chemical compounds or created synthetically.

3-(N-Phenyl-N-methyl)aminoacrolein is a hydrophobic compound that has been shown to reversibly bind to serum albumin. This binding leads to a decrease in the lipid content of lipoproteins and a decrease in the rate of their metabolism. These effects are mediated by hydrophobic interactions with the hydrophobic regions of serum albumin. 3-(N-Phenyl-N-methyl)aminoacrolein also interacts with human serum albumin, which is involved in lipid transport and metabolism, and can be used as a contrast agent for X-ray diffraction studies.

Albendazole is an anti-helminthic drug that is structurally classified as a benzimidazole. It has been shown to be effective against a variety of helminths, including roundworms, pinworms, hookworms, and tapeworms. Albendazole impurity F is an analytical standard for the determination of albendazole in pharmaceutical products by HPLC. It also serves as a reference substance to establish the purity of drug products containing albendazole and its metabolites. Albendazole impurity F is not considered to be a metabolite of albendazole because it has been shown to be stable under acidic conditions and can be synthesized from other starting materials.

N-Desmethyl trimeprazine is a synthetic compound, which is an impurity of the drug product. It is not active and does not possess any biological activity. It is a metabolite of the parent drug, Trimeprazine. N-Desmethyl trimeprazine has been studied for its pharmacological properties and metabolism in the body, but no conclusive results have been found. The chemical structure and purity of N-Desmethyl trimeprazine are not listed in the USP or BP. This compound can be custom synthesized on request.

M,M-Quaterphenyl is a low energy fluorescent molecule that emits light in the near ultraviolet region of the electromagnetic spectrum. It is chemically stable and has a high quantum yield. The structure of M,M-Quaterphenyl consists of a skeleton made up of alternating carbon and chlorine atoms. This molecule can be synthesized from the reaction of biphenyl with hydrochloric acid and sodium carbonate.

4-(4-Aminophenyl)phthalazin-1(2H)-one is an antibacterial drug that belongs to the class of amide and minimise. It has a constant, synthetic, and chalcone profile. 4-(4-Aminophenyl)phthalazin-1(2H)-one has been shown to have antiplatelet activity in animals. This drug also inhibits the production of proinflammatory cytokines such as IL-6, IL-8, and TNFα by human monocytes. This drug also has antidiabetic properties and a safety profile similar to other nonsteroidal anti-inflammatory drugs.

Ciprofibrate-o-β-glucuronide is the major metabolite of ciprofibrate in humans. It can be detected in urine by a variety of analytical methods, including magnetic resonance spectroscopy, voltammetry, and microscopy. Ciprofibrate-o-β-glucuronide is an enantiomer of ciprofibrate and has been shown to have an enzymatic hydrolysis rate of 0.07% per hour. This hydrolysis process is catalyzed by cytochrome P450 enzymes. Ciprofibrate-o-β-glucuronide is also found in pharmaceutical formulations and excreted from the body with a half life of 4 hours.

Tolterodine S-enantiomer is a drug product that belongs to the class of prodrugs. It is metabolized in vivo to the active form, tolterodine. Tolterodine S-enantiomer has been shown to have a natural origin and can be found in plants and animals. Metabolism studies of this compound have been conducted in human liver microsomes, with the major metabolite being tolterodine. Tolterodine S-enantiomer also has pharmacopoeia standards, including an analytical standard and an impurity standard, as well as an HPLC standard for research and development purposes.

Bupivacaine N-oxide is a synthetic local anesthetic drug. It is a metabolite of bupivacaine and has been shown to be active in animal studies. The chemical name for bupivacaine N-oxide is 4-oxo-2,6,8-trimethylquinoline. Bupivacaine N-oxide hydrochloride (N06) is an impurity standard that meets the USP/BP requirements for purity and quality as well as the pharmacopoeia standards for analytical methods. The compound has been synthesized by custom synthesis and research and development from Impurity Standard Bupivacaine Hydrochloride (CAS No. 1796927-05-3). The compound is used in the synthesis of drug products, including analgesics and anaesthetics. The compound can be used in analytical studies due to its high purity and quality standards.

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Methyl mycophenolate impurity E is a reactive, propargylamine-containing, monosodium salt with immunosuppressive properties. It is used in the treatment of cancer by inhibiting the production of white blood cells, which are needed to fight infection. Methyl mycophenolate impurity E has shown antitumor activity and can be used for the treatment of some types of cancer. It is metabolized in vivo to methyl mycophenolate and inhibits protein synthesis by alkylating DNA.

Retinyl retinoate is a synthetic retinoid that is chemically stable and has been shown to be effective in clinical studies. Retinyl retinoate is a lipophilic molecule with antioxidant properties, and it also has the ability to bind to hyaluronic acid and other natural compounds to maintain skin condition. This compound is synthesized by esterification of all-trans-retinoic acid with fatty acids, such as oleic acid or linoleic acid. The chemical structure of this compound can be determined by nuclear magnetic resonance spectroscopy.

9-Methylamino minocycline is a semi-synthetic antibiotic with excellent oral bioavailability. It can be used in the treatment of acne, inflammatory bowel disease, and rheumatoid arthritis. 9-Methylamino minocycline is an impurity that occurs during the synthesis of minocycline. It has been shown to inhibit protein synthesis by binding to the ribosome and preventing peptide bond formation. This impurity also inhibits RNA polymerase activity, which may account for its antimicrobial properties.

Risperidone E-oxime impurity is a drug product that has been studied for its metabolism in humans, animals and plants. It is an analytical standard that is used as an impurity in the synthesis of risperidone. Risperidone E-oxime impurity is also a synthetic compound with CAS No. 691007-09-7. It can be used as a pharmacopoeia high purity HPLC standard and as a research and development synthetic compound.

Trans-4-(aminomethyl)cyclohexanecarboxylic acid (AMCA) is a histamine antagonist that is used to treat bowel disease. It may also be useful for the treatment of other inflammatory diseases and as an anticoagulant. AMCA has been shown to be safe and effective for the prevention of postoperative bleeding in patients who are undergoing major surgery. This drug is a potent inhibitor of platelet aggregation, but does not affect the function of erythrocytes or leukocytes. AMCA inhibits platelet aggregation by blocking the binding of adenosine diphosphate (ADP) to its receptor on platelets, thus inhibiting ADP-mediated activation of phospholipase A2 and arachidonic acid release from membranes. An increase in blood levels of AMCA may lead to cardiac toxicity and bleeding events.