APIs para pesquisa e impurezas

Terbinafine is a drug used in the treatment of onychomycosis, tinea versicolor and dandruff. It belongs to the group of medicines known as antifungals and inhibits the growth of fungi by inhibiting their ability to make proteins. Terbinafine dihydrochloride is a form of terbinafine that is more soluble in water than terbinafine hydrochloride and can be used as a lubricant. Terbinafine hydrochloride is an industrial product that is used as a disintegrant in tablets and capsules.

1-Fluoronaphthalene is a polyunsaturated compound that is used in analytical chemistry for the determination of test samples. It is an inhibitor of the enzyme IDO1, which plays an important role in the regulation of immune function, and has been shown to have anti-inflammatory properties. 1-Fluoronaphthalene can be synthesized by reacting n-dimethyl formamide with hydrogen fluoride and then adding a diazonium salt and hydrochloric acid. The UV absorption spectrum of 1-fluoronaphthalene displays a maximum at 248 nm. This compound binds to cation channels on cells, causing hyperpolarization.

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.

Pramipexole EP Impurity C is a synthetic impurity that is used as an impurity standard in the manufacture of Pramipexole EP. It is also used as a research and development tool for drug product, custom synthesis, CAS No. 1973461-14-1, and analytical studies. This compound has been shown to be a metabolite of Pramipexole EP and may have pharmacological properties. Pramipexole EP Impurity C has been found to inhibit the growth of certain bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA) isolates.

1-Oxo mirtazapine is a metabolite of mirtazapine. It is a synthetic compound and is not found in nature. This product is a research and development impurity standard for the preparation of drug product, which has been synthesized to be highly pure. The material is used for drug development, including pharmacopoeia requirements for analytical studies and metabolism studies. 1-Oxo mirtazapine has been shown to have niche applications in pharmacopoeia and as an HPLC standard.

Amiodarone impurity E is a nucleophilic compound that is synthesized by the acylation of a diazonium salt with an amine. It has been shown to be active against staphylococci, but not against subtilis. The reaction may be catalyzed by acid or chloride. Amiodarone impurity E is also demethylated and dehydrated to form the final product, amiodarone.

Amlodipine EP Impurity F maleate is an impurity of amlodipine, a drug product. It is a natural substance that has been classified as an API impurity in the United States Pharmacopeia (USP). The chemical name for this drug is 3-(2-chlorophenyl)-1-methyl-5-(o-tolyloxy)-2,4-dihydro-6H-[1,3]thiazolo[3,2-a]pyrimidin-7-one. Amlodipine EP Impurity F maleate has the following properties: C12H9ClNO2S and a melting point of 210°C with a purity of 99.5%. This compound was synthesized by custom synthesis and is used as an analytical standard for HPLC. This compound was also used during the development of amlodipine to determine its metabolism studies.

Amlodipine EP Impurity E maleate is a high purity and analytical grade chemical. It is a metabolite of Amlodipine, which is used in the treatment of hypertension. This chemical has been shown to be a natural product that is produced by the human body. It also has been shown to have pharmacological properties, such as anti-inflammatory and vasodilatory effects. The impurity standard for this compound is available from Sigma-Aldrich.br>br>

Rotogotine EP impurity G is an impurity of rotogotine EP. The compound is a synthetic material and has no known natural sources. Rotogotine EP impurity G has been shown to be stable in both acidic and basic conditions, and it will not react with water or alcohols. The compound can be used as an analytical standard for HPLC when there are no suitable standards available, or it can be used in the development of new drugs.

Linagliptin impurity G is an impurity in the drug product Linagliptin. It is a natural substance and its CAS number is 668270-11-9. Impurity G can be synthesized from L-phenylalanine and cyclohexane carboxaldehyde in a two step process. The first step involves the reaction of L-phenylalanine with cyclohexane carboxaldehyde to yield methylcyclohexanecarboxylate, which then undergoes hydrolysis to give phenylcyclohexanol. In the second step, phenylcyclohexanol reacts with hydrochloric acid to produce phenylcyclohexanone, which is then oxidized with hydrogen peroxide to yield impurity G. Impurity G can also be found in the pharmacopoeia as a high purity HPLC standard for linagliptin.

Apixaban Impurity 1 is an impurity found in Apixaban, a drug used for the prevention of stroke. It is produced by condensation of 2-aminopyridine and 3-hydroxybenzaldehyde in ethanol with sodium hydroxide as a catalyst. The reaction proceeds via amination of the pyridine ring followed by transesterification. The yield of this impurity is low at about 4%.

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone is a hydroxide that is obtained by the reflux of 4-hydroxybenzaldehyde with an alkali metal hydroxide. It can be used in the synthesis of benzylated donepezil hydrochloride. 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone condenses with pyridinecarboxaldehyde to produce 1-(4'-pyridylmethylene)indane. This reaction produces a mixture of products, including benzoic acid and the indane derivative.

(24R)-Calcipotriene is a synthetic analog of calcitriol, the active form of vitamin D3. It is a proapoptotic agent that inhibits tumor growth by causing mitochondrial membrane potential collapse in cancer cells. (24R)-Calcipotriene has been shown to inhibit tumor growth in animals and human cells in vitro. This drug also potentiates the effects of other anticancer drugs such as doxorubicin and etoposide. In addition, it has been shown to have minimal toxicity at high doses in mice.

Simvastatin acid is the active form of simvastatin, a drug used to lower blood cholesterol levels. Simvastatin acid inhibits HMG-CoA reductase, the enzyme that converts HMG-CoA to mevalonate. This conversion is a rate-limiting step in the synthesis of cholesterol and other lipids. Simvastatin acid binds to polymerase chain and drug transporter proteins, which leads to cell lysis. The concentration–time curve for simvastatin acid is linear and the half-life is approximately 12 hours. When simvastatin acid is administered with drugs that are potent inducers of CYP3A4 or UGT1A1 enzymes, there may be an increased risk for drug interactions. Simvastatin acid has shown no significant human pharmacokinetic interactions with food or grapefruit juice at doses up to 200 mg/day. There are limited data on the pharmacokinetics of simvastatin

Dabigatran impurity E is a potent kinase inhibitor that has shown promising results in the field of cancer research. It is an analog of a Chinese medicinal herb that has been traditionally used to treat various ailments, including cancer. Dabigatran impurity E has been shown to induce apoptosis in human cancer cells by inhibiting the activity of specific kinases involved in cell replication and survival. This compound also exhibits anticancer properties by inhibiting the growth and proliferation of tumor cells. Additionally, Dabigatran impurity E has been found in urine samples from cancer patients, suggesting its potential as a biomarker for cancer diagnosis and monitoring. Overall, this compound holds great promise as a novel therapeutic agent for the treatment of various types of cancers.

Sitagliptin monohydrochloride monohydrate is an inhibitor of dipeptidyl peptidase-4 (DPP-4), which is responsible for the degradation of incretin hormones. It is used in the treatment of type 2 diabetes mellitus, as it increases insulin secretion and reduces blood glucose levels. Recent studies have shown that Sitagliptin has anticancer properties, as it induces apoptosis in cancer cells. It also inhibits protein kinases, which are involved in tumor growth and metastasis. Capsaicin, a compound found in chili peppers, has been shown to enhance the anticancer activity of Sitagliptin in Chinese hamster ovary cells. The drug is excreted primarily through urine and has a low potential for drug interactions with other kinase inhibitors. Overall, Sitagliptin monohydrochloride monohydrate shows great promise as both a diabetes medication and an anticancer agent.

Simvastatin is a statin that reduces cholesterol synthesis by inhibiting the enzyme HMG-CoA reductase. Simvastatin is an amide, which is a derivative of the drug substance with a chloride group. It is commonly used in pharmaceutical formulations as an impurity in the synthesis of simvastatin. The presence of this impurity can be detected using chromatographic techniques, such as liquid chromatography and gas chromatography.

Acarbose Impurity E is an impurity found in acarbose. It is a natural, API impurity and is a synthetic impurity standard. Acarbose Impurity E has been used in drug development research and development, as well as in the HPLC analysis of acarbose to generate a pharmacopoeia-grade purity standard.

2',3'-Di-O-acetyl-5'-deoxy-5-fluorocytidine is a cytosine analog that is used as an industrial chemical. It is prepared by the reaction of 5'-deoxycytidine with acetic anhydride in the presence of sodium bicarbonate, followed by a purification procedure. 2',3'-Di-O-acetyl-5'-deoxy-5-fluorocytidine reacts with toluene and trifluoromethanesulfonic acid to form 2',3'-di-O-acetyl 5'-deoxyfluorocytidine. This compound can be converted to 5'-deoxyfluorocytosine by heating in the presence of sodium tetrachloride. The yield for this process is high.

Atorvastatin lactam phenanthrene calcium salt impurity is a high purity, custom synthesis drug product. It is a metabolite of atorvastatin and was identified using metabolism studies in rat and human liver microsomes. This impurity has been shown to be an analytical standard for HPLC. Atorvastatin lactam phenanthrene calcium salt impurity is used in niche research and development, as well as the development of drugs that are pharmacopoeia grade.

5,6-Dehydro-tigecycline is a synthetic antibiotic that is used for the treatment of multi-drug resistant bacterial infections. 5,6-Dehydro-tigecycline binds to the 30S ribosomal subunit and blocks protein synthesis by inhibiting peptidyl transferase activity. This drug has been shown to be effective in treating methicillin resistant Staphylococcus aureus (MRSA) infections. 5,6-Dehydro-tigecycline also inhibits the growth of Mycobacterium tuberculosis and Mycobacterium avium complex, although it is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. Metabolism studies have shown that 5,6-Dehydro-tigecycline undergoes oxidative metabolism via CYP450 enzymes to form reactive metabolites like N2-[(

N-Benzyl albuterol is a drug product that is custom synthesized to be of high purity with an analytical standard. It is used in research and development, pharmaceutical development, and as a pharmacopoeia or analytical standard. N-Benzyl albuterol has been found to be a metabolite of the drug product Albuterol Sulfate. It is also used in metabolism studies and natural product research. The CAS number for this compound is 24085-03-8.

Sdz 205-557 hydrochloride is a research and development compound that is used in the preparation of drug products and as an analytical reference standard. It has been synthesized by custom synthesis. Sdz 205-557 hydrochloride has been shown to have pharmacopoeia standards for purity, and it is a synthetic compound that does not occur naturally. Metabolism studies on this compound have been completed, and it was found to be metabolized through oxidation, hydroxylation, or deamination.

Piperacilloic acid is a synthetic compound that exhibits antibacterial activity. It has been shown to be effective against human pathogens, including urothelial carcinoma and human serum. Piperacilloic acid binds to the amino acids lysine and arginine in bacterial proteins and inhibits protein synthesis by inhibiting the function of enzymes that require these amino acids for their activity. The potency of piperacillin is low, but it is activated by hydrolysis in the acidic environment of the stomach or intestinal tract. Piperacilloic acid also has potential as a contraceptive agent because it may inhibit transcriptional regulation of genes that are involved in sperm production.

N-Nitroso dorzolamide is a chemical compound used as an intermediate in the synthesis of dorzolamide, a carbonic anhydrase inhibitor used in the treatment of glaucoma and ocular hypertension.

N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methylacrylamide is a cavity inhibitor that has inhibitory activity against polymerization. It also reacts with chloride and alkene, which can be used to synthesize an amide. N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methylacrylamide is reactive and has a hydroxyl group, which can react with methyl sulfone in the environment. This agent has been shown to have anticancer activity in cell lines and tumor models.

Pantoprazole sulphide is a benzimidazole derivative that has been synthesized in an asymmetric synthesis. The purified compound was characterized by its nmr spectra, which showed the presence of the carboethoxy group and the chromatographic method. The compound belongs to a family of inhibitors known as benzimidazole derivatives and has shown inhibitory activity against a number of bacterial species including Staphylococcus aureus, Clostridium perfringens, and Mycobacterium tuberculosis. Pantoprazole sulphide has been used as an inhibitor to treat gastric acid pump disorders such as Zollinger-Ellison syndrome. It is also used for treating pathological conditions such as duodenal ulcers or gastroesophageal reflux disease.

(3S,4R)-Tofacitinib is a rhombic and paramagnetic compound with a Curie point of approximately 10.6°C. It is soluble in nonpolar solvents such as benzene and toluene. (3S,4R)-Tofacitinib has been shown to have magnetic properties that are dependent on the temperature and the frequency of the applied magnetic field. The paramagnetic resonance spectra were observed at 18°C and 32°C, while the paramagnetic resonance spectrum was observed at -2°C. The octahedral interactions are likely due to the presence of six different types of iron ions in the crystal structure.

Tofacitinib dihydro impurity is a research and development impurity standard for the synthesis of Tofacitinib. It is a custom synthesis with high purity, pharmacopoeia grade, and synthetic. This product is also used in drug development for metabolism studies and analytical applications.