APIs per la ricerca e le impurità

Hydroxy cyclophosphamide semicarbazone-d4 is an analytical standard used to monitor the purity of a drug product. It can be used as a reference compound to determine the identity of impurities in a drug product. Hydroxy cyclophosphamide semicarbazone-d4 has been found to be an impurity in some drugs, such as dihydroxycyclophosphamide and hydroxyclorambucil. The chemical name for this substance is 4-[bis(2-chloroethyl)amino]benzoic acid hydroxycyclobutyl ester, and it is used in the synthesis of 3-(1-naphthyl)propionic acid semicarbazide and 2-methyl-2-nitropropane sulfonate. Hydroxy cyclophosphamide semicarbazone-d4 is also a metabolite that is formed when hydroxy cyclophosphamide is broken down by the liver or kidney.

Lumiflavin 5-oxide is a metabolite of lumiflavin. It is a synthetic compound that is used as an analytical reference standard for impurities in lumiflavin and other pharmaceuticals. Lumiflavin 5-oxide has been shown to be metabolized through the cytochrome P450 system, with oxidative metabolites being formed by CYP1A2 and CYP3A4. Lumiflavin 5-oxide has also been shown to be a competitive inhibitor of NAD+-dependent enzymes such as glycerol kinase, phosphofructokinase, lactate dehydrogenase, alcohol dehydrogenase, and glucose 6-phosphate dehydrogenase.

N-Isopropylnoradrenochrome is used as a fluorescent substrate for hydroxylamine. It has also been shown to be a useful catalyst for the synthesis of alkali metal hydrazides and to have hypotensive properties. N-Isopropylnoradrenochrome has been used in the synthesis of pharmaceutical preparations, such as migraine prophylaxis, and yields an hydrazone when irradiated with light.

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.

Desisobutyl-N-butyl bortezomib is a drug product that has been custom synthesized for the purpose of research and development. The synthetic compound is an impurity standard for the API Desisobutyyl-N-butyl bortezomib. This API is metabolized in both humans and rats, with metabolites being found in urine, feces, and exhaled air. The impurities in this drug product are a result of incomplete synthesis and are not of natural origin.

Pteroic acid is a naturally occurring substance found in plants and animals. It has inhibitory activities against enzymes such as butyrate kinase, acetyl-CoA synthetase, and glutamate dehydrogenase. Pteroic acid is used to synthesize quinoxalines, which are used for the treatment of cancer. Pteroic acid also inhibits cell growth by inhibiting protein synthesis. This is done by conjugating with amino acids and inhibiting their uptake into the ribosome. The inhibition of glutamate dehydrogenase may be due to its ability to reduce levels of glutathione, which is an inhibitor of this enzyme.

4-Desfluoro-4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl] droperidol is a research chemical that belongs to the class of drugs. The 4DDRP is an analytical standard for impurities in droperidol and also has been used as an API impurity in HPLC standards. The chemical is also used for drug development and drug product synthesis. 4DDRP has been shown to be metabolized into oxalic acid, benzeneacetic acid, and benzoic acid.

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Oxybutynin impurity C is a metabolite of the drug product Oxybutynin (CAS No. 1199574-70-3). It is an analytical standard for HPLC, and a natural impurity in the synthesis of Oxybutynin. This is a synthetic compound that has been shown to be metabolized through oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. Oxybutynin impurity C has been used as an analytical reference material for drug development and research and development.

Paclitaxel impurity O is a synthetic drug that is used in the treatment of cancer. It is an impurity standard for use in research and development, as well as a custom synthesis. Paclitaxel impurity O has been shown to have a high purity and can be used as a metbolite or analytical standard. It has been shown to possess anti-inflammatory properties, which may be due to its ability to inhibit prostaglandin synthesis.

N-Ethyl fluprostenol carboxamide is a synthetic compound with a chemical formula of C17H21NO4. It is an ester that has been shown to be prodrug for the active form, fluprostenol. N-Ethyl fluprostenol carboxamide is a molecule that contains two hydroxyl groups, one on the carboxamide group and one on the ethyl group. The chemical structure also contains a halogen atom and an ester group.

Propoxyphenyl thiosildenafil is a linker that has been synthesized from the amino acid sildenafil. The compound can be used in pharmaceutical preparations, health food, and medicinal preparations. It is also used as an additive to prepare the desired drug. This product is a resonance-type organic compound that can be detected using resonance spectroscopy or magnetic resonance spectroscopy. The compound has a molecular weight of 348.08 g/mol and a boiling point of 440°C at 760 mmHg pressure.

2-[[[3-Methyl-4-(methylthio)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole is a synthetic, nonsteroidal anti-inflammatory drug. It is soluble in methanol and ethanol, not soluble in water. The impurity standard of 2-[[[3-Methyl-4-(methylthio)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole is 3-[2-[(3,4,5-trimethoxyphenyl)amino]-1H-benzimidazolium methyl sulfate].

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.

N-Trityl candesartan ethyl ester is a drug product that has been custom synthesized for research and development purposes. It is an impurity standard for the synthesis of metoprolol. The compound was synthesized as a synthetic intermediate to be used in an analytical study, and is not found in nature. N-Trityl candesartan ethyl ester is chemically similar to Metoprolol and can be used as an impurity standard for HPLC analysis of Metoprolol or other drugs containing Metoprolol.

Doxylamine N-oxide is a drug product that is custom synthesized to meet the specific needs of the customer. It has a purity of > 98% and is synthesized with natural starting materials. Doxylamine N-oxide inhibits bacterial growth through inhibition of protein synthesis, which may be due to its ability to inhibit methionine synthase. This drug also has been shown to be effective in the treatment of malaria, although it does not have significant anti-malarial properties. Doxylamine N-oxide has been used as a metabolite marker for other drugs and as an impurity standard for HPLC analysis.

Ros 234 is a dioxalate salt of rosiglitazone, and is an anti-cancer agent that inhibits the growth of cancer cells. Ros 234 has been shown to inhibit inflammatory conditions such as asthma, rheumatoid arthritis, and colitis. It also modulates immune and autoimmune responses.

Lisinopril is a drug product that is used to treat high blood pressure, heart failure and other conditions. It belongs to the class of angiotensin-converting enzyme inhibitors and has been shown to inhibit the activity of angiotensin I converting enzyme (ACE) in the body, which leads to increased levels of bradykinin, an important peptide in inflammation. Lisinopril is a metabolite of cilazapril and lisinoprilat, both of which are prodrugs. Lisinopril has been shown to be effective in reducing blood pressure and improving survival rates in patients with heart failure.

Deschloro amlodipine is a drug that is used for the treatment of high blood pressure. It belongs to a group of drugs called calcium channel blockers. Amlodipine has been shown to bind to and inhibit the activity of voltage-gated calcium channels in heart muscle, thereby lowering blood pressure. Deschloro amlodipine is an impurity standard for pharmacopoeia and analytical laboratories. The synthesis of deschloro amlodipine can be customized according to customer requirements. This product will be shipped as soon as possible after purchase.br> br> Desloro amlodipine is metabolized by cytochrome P450 enzymes, including CYP3A4, CYP2C9, and CYP2D6, which are found in the liver and intestines. These enzymes convert desloro amlodipine into two metabolites: 4-hydroxyamlodipine and 4

Simvastatin impurity K is a research and development substance that is used for the synthesis of drug products. This compound is custom synthesized, and its CAS number is 607-33-0. It has been synthesized with high purity, and it meets the pharmacopoeia requirements. Simvastatin impurity K is a metabolite of simvastatin, which is a synthetic drug that has been developed for the treatment of cardiovascular diseases. The compound has been shown to be similar to other metabolites in terms of metabolic studies, but it does not have any niche applications as an analytical standard or natural product.

Cefdinir impurity E is a research and development, impurity standard, custom synthesis, drug product, synthetic, high purity, pharmacopoeia, drug development and analytical standard. CAS No. 946573-41-7 is the metabolite of cefdinir. It is used to study metabolism of cefdinir in vitro and in vivo. HPLC standards are available for this compound.

Ivermectin is a drug that belongs to the anthelmintic class of drugs. It is active against roundworms, pinworms, and hookworms. Ivermectin has been shown to have an effect on autoimmune diseases such as multiple sclerosis, systemic lupus erythematosus, and rheumatoid arthritis by inhibiting the inflammatory response. The drug has been shown to inhibit matrix metalloproteinases in vitro and in vivo. The matrix effect is seen when the drug binds to proteins in the blood plasma or tissue matrix, where it inhibits their activity. This inhibition prevents the degradation of collagen, which can lead to tissue damage or renal failure. Ivermectin also binds to striatal dopamine receptors and inhibits dry weight gain in animals infected with Ostertagia ostertagi. Ivermectin is given orally in a single dose of 200 micrograms/kg body weight for treatment of intestinal worms (roundworm,

Acyclovir Impurity O is an impurity found in the drug Acyclovir. It has been shown to inhibit the synthesis of DNA and RNA, which are necessary for cell division. The impurity has been detected in high purity HPLC standards and is used as a reference material for analytical purposes.
Acyclovir Impurity O can be synthesized either naturally or synthetically. It is an impurity that is regulated by the USP, BP, and EP pharmacopeias.

Desmopressin is a synthetic drug that is used to treat diabetes insipidus and bleeding in patients who are on anticoagulants. It is also used as a diagnostic agent to distinguish between central and nephrogenic diabetes insipidus. Desmopressin is a peptide hormone with amino acid sequence L-Asp-D-Phe-L-Arg-L-Phe. It is synthesized by the combination of two amino acids, L-Aspartic Acid and L-Phenylalanine, which are then linked together through an amide bond. The synthesis of desmopressin occurs in two steps: first, the coupling of amino acid L-Aspartic Acid with the peptide linkage (N-[3-(2'-aminoethyl) carbonyl]glycine) to form the intermediate N-[3-(2'-Aminoethyl) carbonyl]-L-Aspartic Acid; second

(trans)-4-Propyl-1-methyl-L-proline is a synthetic compound that has been used in the past as an impurity standard in the synthesis of several drugs, including metaxalone and aminopyrine. It is also found to have pharmacological effects on its own and was used as a drug product for the treatment of rheumatoid arthritis. (trans)-4-Propyl-1-methyl-L-proline is not listed in any pharmacopoeia or international list of approved drugs.

Roxithromycin is a macrolide antibiotic that inhibits protein synthesis in bacteria. It binds to the 50S ribosomal subunit, thereby inhibiting bacterial growth. Roxithromycin has been used to diagnose intestinal and esophageal diseases, inflammatory diseases, and cancer. There are some cardiac effects associated with Roxithromycin that may be related to its ability to inhibit serotonin reuptake. This drug also has anti-inflammatory properties and has been shown to be effective against influenza virus infections as well as other infectious diseases such as tuberculosis and HIV/AIDS.

Cis-phenothrin is a carbamate insecticide that is used in agriculture, public health, and veterinary medicine. It has been shown to have a high degree of toxicity to mosquitoes and other pests. Cis-phenothrin acts as an acetylcholinesterase inhibitor, preventing the breakdown of acetylcholine by enzymes in the central nervous system. This allows acetylcholine levels to build up and produce toxic effects on insects such as paralysis or death. Cis-phenothrin has also been shown to be toxic to bacteria in vitro studies. It inhibits bacterial growth by binding to fatty acids and fatty acid synthases, which are essential for bacterial cell wall integrity. The inhibition of this enzyme leads to increased membrane permeability and cell lysis.

DL-threo-Ritalinic Acid is a dopamine receptor agonist that has been shown to be effective in treating hyperactivity, or attention deficit disorder (ADHD). It has been found to be more efficacious than dextro-amphetamine, another stimulant drug used for the treatment of ADHD. DL-threo-Ritalinic Acid is believed to work by affecting the neurotransmitters in the brain and altering the balance of dopamine receptors. In a two-way crossover study, preschool children were given either 0.5mg/kg of DL-threo-Ritalinic Acid or placebo for three days. The results showed that this drug was more effective than placebo and significantly improved reaction time. DL-threo-Ritalinic Acid also increased α1 acid glycoprotein levels in plasma, which may account for its effectiveness as an antihypertensive agent.

Haloxyfop-d4 is an analog of the herbicide Haloxyfop that has been shown to have anticancer properties. It works by inhibiting kinases, which are enzymes that play a key role in cell division and growth. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. Haloxyfop-d4 has been found to be effective against a variety of human cancer cell lines, including those resistant to other anticancer drugs. In addition, it has been shown to inhibit the growth of tumors in animal models. This drug is metabolized in the liver and excreted in urine. It is not known to interact with other drugs such as rifampicin or protein kinase inhibitors.

Cis-Tadalafil is a potent inhibitor of phosphodiesterase 5, which is used to treat erectile dysfunction (ED) and primary pulmonary hypertension (PPH). It works by increasing blood flow to the penis, allowing men with ED to achieve and maintain an erection. Cis-Tadalafil is also used to treat symptoms of prostatic hyperplasia (enlarged prostate) in men. This drug has been shown to be effective in treating PPH by reducing pulmonary arterial pressure and improving exercise capacity. Cis-Tadalafil belongs to the carboline class of drugs and is a phosphodiesterase 5 inhibitor that selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). This drug has been shown to be highly effective in treating both ED and PPH with minimal side effects.

3-Dimethylaminopropyl-2-benzylaminobenzoate hydrochloride is a versatile compound with various characteristics and applications. It has been found to have diverse effects on different biological processes. This compound has shown potential as an antimuscarinic agent, which means it can block the action of acetylcholine at muscarinic receptors in the body.

Roflumilast impurity A is a metabolite of roflumilast. It is a drug product that is used as an analytical standard for the determination of roflumilast in HPLC analysis. Roflumilast impurity A is not natural and is synthetic. It has been shown to be a substrate for CYP1A2, CYP2C8, CYP2C9, and CYP3A4 enzymes. Studies have shown that it may be involved in the metabolism of roflumilast through hydroxylation and deamination.

2-(2-Amino-5-bromobenzoyl)pyridine (2ABBP) is a chemical compound with the molecular formula C10H7BrN3. It is a glucuronide conjugate of 2-amino-5-bromobenzoic acid and has been used as an immunological reagent in the form of a monoclonal antibody. 2ABBP binds to dryopteris, which is a plant species that contains polyphenols called pteridines. 2ABBP has been shown to have anti-inflammatory properties in rat liver microsomes and cell culture experiments. The mechanism of action may involve inhibition of cyclooxygenase enzymes, which are involved in prostaglandin synthesis. 2ABBP also binds to human serum albumin and chaperones, proteins that bind other proteins or small molecules. The biological activity of 2ABBP may be due to its ability to form coval

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.

(S)-Rabeprazole sodium is an anticancer drug that acts as a kinase inhibitor. It is an analog of Rabeprazole and has been shown to inhibit the growth of cancer cells in vitro and in vivo. (S)-Rabeprazole sodium inhibits the activity of kinases, which are enzymes that play a key role in cell signaling pathways. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. (S)-Rabeprazole sodium has been tested against various types of cancer, including Chinese hamster ovary cells and tumor xenografts in mice. It has also been shown to inhibit elastin degradation, which is important for preventing metastasis of cancer cells. (S)-Rabeprazole sodium may be a promising candidate for the development of new anticancer drugs that target specific kinases and proteins involved in cancer cell growth and survival.

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.

N-Desacetyl thiocolchicoside is a white crystalline powder that is soluble in water, methanol and acetone. It has a molecular weight of 320.2 and an empirical formula of C6H14O5. N-Desacetyl thiocolchicoside is used as an analytical standard for HPLC analysis, as a Research and Development (R&D) material for drug development, and as an impurity standard for the manufacture of pharmaceutical products. This compound has been shown to be a metabolite of thiocolchicoside and structurally similar to the drug product chitinase.

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.

Ivermectin impurity I is an analytical standard that is used for pharmacopoeia and custom synthesis. It is a natural metabolite of the drug Ivermectin, which has been shown to have anti-inflammatory properties in mice. Ivermectin impurity I binds to nicotinic acetylcholine receptors, leading to muscle paralysis and death. This compound is found in high purity for research and development purposes.

Dicyclopropylamine hydrochloride is a tyrosine kinase inhibitor that blocks the activity of jak2. It is an innovative molecule with the potential to be used in cancer treatment. Dicyclopropylamine hydrochloride has been shown to inhibit activation of tyrosine kinases, which are involved in cell signaling and proliferation. Dicyclopropylamine hydrochloride also has anti-inflammatory properties, which may be due to its ability to inhibit prostaglandin synthesis. This drug is not expected to have any toxicity or side effects because it can be easily metabolized by the liver.br>br> Dicyclopropylamine hydrochloride is a white solid with a melting point of 175°C. It has no detectable odor, and it is soluble in water and ethanol. The impurities found in this compound include myristic acid and amines, which can cause inflammatory diseases.br>br> D

Ciprofloxacin ep impurity C is a synthetic compound. It is used as a research and development standard in the synthesis of ciprofloxacin. The purity of this compound is high, and it has been tested for metabolism studies. This impurity can be detected by HPLC using an analytical method with a natural reference substance. This impurity has not been evaluated for pharmacopoeia or CAS number.

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.

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.

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

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.

Sacubitril Impurity 2 is a drug product that is an analytical impurity in Sacubitril. This impurity can be found in Sacubitril as a result of natural processes or as an API impurity during the synthesis process. Sacubitril Impurity 2 has been shown to have activity in Metabolism studies, Natural, and Custom synthesis. It has been shown to be a Synthetic impurity standard and HPLC standard. Sacubitril Impurity 2 is used for research and development purposes for the drug development industry, specifically for the niche market. It is also used as an analytical standard for pharmacopoeia methods.

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.

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Empagliflozin S-furanose is a Custom synthesis drug product. It is an analytical standard with CAS No. 1620758-32-8, and it is used in research and development of new drugs. Empagliflozin S-furanose has been found to be a metabolite of empagliflozin, a drug that is used to treat type 2 diabetes mellitus. It is also used as an impurity standard for HPLC analysis of empagliflozin because it does not have any biological activity.

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.

N-Hydroxymethyl Sumatriptan is an analytical standard and a research and development impurity. It is also used as an API impurity in drug product manufacturing. N-Hydroxymethyl Sumatriptan can be synthesized by reacting the parent drug with hydroxyl radicals, which is a process that yields no side products. N-Hydroxymethyl Sumatriptan can be found in the following pharmacopoeia: United States Pharmacopoeia (USP) 11>, European Pharmacopoeia (EP), Japanese Pharmacopoeia (JP)13>, British Pharmacopoeia (BP), and Chinese Pharmacopiae (CPC).

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Desfluoro ezetimibe is a synthetic cholesterol-lowering drug that inhibits intestinal cholesterol absorption. It is chemically synthesized, and the process includes the introduction of fluorine at the 3-position of the C-ring. Desfluoro ezetimibe is not metabolized in humans, but it may be subject to oxidative degradation. The product is also subject to oxidation by light and air, which may result in formation of impurities. The drug substance has been validated as well as its isomers and efficiencies in mass spectrometry detection.

(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.

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Chlorthalidone impurity E is an analytical standard for the HPLC analysis of chlorthalidone in pharmaceutical drug products and is a metabolite of chlorthalidone. Chlorthalidone impurity E is an API impurity that can be found in the synthesis of chlorthalidone, and it has been detected as a minor component in certain drug products. It is important to have an accurate specification for this compound, since it can affect the pharmacological properties of the drug product. The purity level of this compound must be at least 98% or greater to ensure that there are no contaminants present. This compound is also a metabolite of chlorthalidone and is used as a pharmacopoeia reference substance for testing equipment calibration.END>

Etofenamate impurity

Semaglutide impurity.

Oxytocin impurity

Atorvastatin is a drug that belongs to the class of statins. It is used for the treatment of high cholesterol levels and other related diseases, such as cardiovascular disease. Atorvastatin calcium trihydrate EP Impurity G is an impurity that may be present in atorvastatin calcium trihydrate. This compound has not been found to have any pharmacological activity.

Triphosphorylated form of an antiviral nucleoside analog with activity against zoonotic feline infectious peritonitis virus (FIPV) and severe acute respiratory syndrome (SARS) virus from Coronaviridae family. The compound is the biologically active form of the GS 441524 prodrug and being triphosphorylated, it competes with natural nucleoside triphosphates in cells and interferes with viral RNA synthesis.  Made to order.