Acides Gras et Dérivés Lipidiques

<p>Simvastatin hydroxy acid methyl ester is a drug product that belongs to the group of statins. It is an impurity standard for synthetic simvastatin as well as a natural metabolite formed from simvastatin through oxidation and hydroxylation. This impurity is used in analytical and pharmacopoeia testing for simvastatin, and has been shown to inhibit the production of cholesterol by blocking the synthesis of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR).</p>

<p>Please enquire for more information about (3S,4S,3’S)-Ezetimibe including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>5-Oxo pitavastatin is a research and development drug product that is synthesized by custom synthesis. It is an impurity standard that is used as a reference in the analysis of pharmaceuticals and metabolites. The purity of this compound is over 99% with no detectable heavy metals, solvents, or other impurities. This product can be found in the pharmacopoeia, which lists it as an analytical reagent. 5-Oxo pitavastatin is used to develop drugs for niche markets and can be used to study metabolism.</p>

<p>(4-Chlorophenyl)[4-(1-methylethoxy)phenyl]methanone is a drug product that is Custom synthesized to meet the requirements of pharmacopoeia, analytical, and drug development. It has been studied for its metabolism and toxicity profile in animals. This compound is a metabolite of chlorpheniramine, which is used as an antihistamine. Metabolites of this compound have also been identified in humans. The CAS Registry Number for this compound is 154356-96-4.</p>

<p>N-Formyl-L-leucine (3S,4S,6S)-3-hexyltetrahydro-2-oxo-6-undecyl-2H-pyran-4-yl ester is a synthetic compound that has been used as an impurity standard and as a pharmacopoeia. It is also used in drug development and metabolism studies. The CAS number of this compound is 130676-65-2. HPLC analysis of this compound is available upon request.</p>

<p>Fenofibrate impurity G is a drug product that is synthesized from natural sources and is not chemically modified. It has the CAS number 217636-48-1. Fenofibrate impurity G is an analytical standard in the field of drug development and pharmacopoeia. It can be used as a metabolite or impurity standard in research and development, HPLC standard, or as a niche product for pharmaceutical companies. Fenofibrate impurity G can be synthesized to create new chemical entities.</p>

<p>4'-Acetyl simvastatin is a synthetic statin that inhibits cholesterol synthesis by competitively inhibiting the enzyme HMG-CoA reductase. The reaction yield of 4'-acetyl simvastatin is high, and it has been shown to be effective at a lower dose than other statins. Impurities are not detected in this drug, and it has a low toxicity profile. Some impurities may be formed during the synthesis process due to reactions with acid catalysts, esterases, or expressed chloride. Other impurities such as hydroxyanisole and amination reaction products can be found in this drug due to its manufacturing process, which includes methyl alcohol and chemoenzymatic reactions.</p>

<p>Please enquire for more information about 1,1-Dimethylethyl (3S,5S,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6- heptenoate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N-Formyl-D-leucine (1R)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester is a research and development impurity standard that can be custom synthesized for drug product development. It is an analytical standard for HPLC with high purity, pharmacopoeia, and drug development. It is a natural metabolite that has been studied as a niche metabolite in metabolism studies.</p>

<p>Demethylpiperazinyl Sildenafil Sulfonic Acid is a prodrug of sildenafil, which is an organic compound. It is used in the treatment of erectile dysfunction and pulmonary arterial hypertension. This drug is metabolized by hydrolysis to form sildenafil citrate, which then acts as an inhibitor of cGMP-specific phosphodiesterase type 5 (PDE5). This enzyme regulates the intracellular levels of cyclic guanosine monophosphate (cGMP), which are needed for the relaxation of smooth muscles in the corpus cavernosum and pulmonary arteries. Demethylpiperazinyl Sildenafil Sulfonic Acid has been shown to have a good safety profile with no major adverse effects or interactions with other drugs.</p>

<p>N-Formyl-D-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester is a synthetic metabolite that is used as an impurity standard for the analysis of N-formylmetabolites in drugs. It is also used to study the metabolism of drugs. This product has been assigned CAS number 104872-27-7 and appears on the USP high purity&gt; list.</p>

<p>N-(3-hydroxytricyclo[3.3.1.1]dec-1-yl)glycyl-L-prolinamide is a metabolite that is formed when the drug product, ticagrelor, undergoes metabolism in the liver. Ticagrelor is a prodrug that requires conversion to its active form, which is N-(3-hydroxytricyclo[3.3.1.1]dec-1-yl)glycyl-L-prolinamide, before it can be used as a platelet inhibitor and antiplatelet agent for the prevention of thrombotic events such as heart attack and stroke. It has been shown to have an excellent stability profile and high purity when produced by HPLC or synthesized using the latest methodology under GMP conditions.</p>

<p>Atorvastatin N-(3,5-dihydroxy-7-heptanoic acid)amide calcium salt is a synthetic drug product that belongs to the class of statins. It has been used in research and development as a standard for HPLC analysis. The metabolite atorvastatin 3,5-dihydroxy-7-heptanoic acid (CAS No. 1105067-87-5) is also available from Sigma Aldrich. The impurity standards atorvastatin calcium salt and amorphous calcium sulfate are also available from Sigma Aldrich. Atorvastatin N-(3,5-dihydroxy-7-heptanoic acid)amide calcium salt is an API impurity in the synthesis of atorvastatin sodium (CAS No. 120781-93-1).</p>

<p>5-Oxo Rosuvastatin is a drug product that has been synthesized from natural ingredients. It is an analytical standard for the impurity, 5-oxo-rosuvastatin, which is a potential impurity in the API, rosuvastatin. This drug product has been custom synthesized in order to provide an Impurity Standard for HPLC. This drug product is also used as a Synthetic Reference Standard for Drug Development and Research and Development.</p>

<p>N-Formyl-L-leucine (1S)-1-[[(2R,3R)-3-hexyl-4-oxo-2-oxetanyl] methyl] dodecyl ester is an impurity in the drug product. It can be used as a custom synthesis or natural standard and has been shown to have metabolites that are toxic to human cells. This impurity can be synthesized for HPLC analysis and research purposes.</p>

<p>Oxo Simvastatin is a synthetic drug product that belongs to the class of statins. It is used as a research and development impurity standard in pharmacopoeia, and as a high-purity analytical standard in niche applications. Oxo Simvastatin is metabolized by cytochrome P450 enzymes to form a variety of metabolites, including simvastatin acid, which can be measured using HPLC.</p>

<p>N-Formyl-D-leucine (1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester is a research and development impurity standard that is used to assist in the production of high purity drug products. It is a synthetic compound that is metabolized in vivo to form N-formylglycine. This impurity standard can be used as a reference material for pharmacopoeia, drug development, and metabolic studies.</p>

<p>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.</p>

<p>(S)-3''-Hydroxy pravastatin sodium salt is a drug product that is custom synthesized. It is the sodium salt of (S)-3''-hydroxypravastatin, which has been shown to be a natural product with high purity. The metabolite of (S)-3''-hydroxypravastatin sodium salt is 3'-hydroxypravastatin. This product can be used for analytical purposes as well as in pharmacopoeia, drug development, and research and development. It can also be used as an impurity standard for HPLC and GC analysis.</p>

<p>Atorvastatin is a potent inhibitor of the enzyme HMG-CoA reductase, which is responsible for the conversion of HMG-CoA to mevalonate. This inhibition reduces the production of cholesterol and other lipids in the liver. Metabolism studies have shown that atorvastatin undergoes extensive presystemic metabolism by cytochrome P450 enzymes, primarily CYP3A4 and CYP2C9. The drug is converted to inactive metabolites that are eliminated primarily through renal excretion. Atorvastatin has not been found to inhibit any of the following: cytochrome P450 1A1/2, 2C8/9, 2D6, 2E1, 3A4/5 or glucuronidases.</p>

<p>Lovastatin is a cholesterol-lowering drug that acts by inhibiting the enzyme HMG-CoA reductase. It is also used to prevent organ rejection after a liver transplant, and has been shown to have anti-aging effects. Lovastatin has been shown to reduce serum cholesterol levels, which may be due to its ability to inhibit cellular proliferation in rat hepatocytes. This drug has been shown to have an effect on DNA damage and post-translational modification of proteins, as well as on health care foods. Lovastatin is a member of the statins family of drugs, which are all natural products isolated from fungi or bacteria. The active form of lovastatin is made in the laboratory by chemical synthesis, using recombinant DNA technology. The recombinant gene encoding lovastatin was cloned into an expression vector and expressed in Escherichia coli cells (E.M.).</p>

<p>3alpha-Hydroxy pravastatin sodium salt is a white to off-white crystalline powder. It is used as an analytical standard for 3alpha-hydroxypravastatin and its metabolites. The CAS number is 81093-43-8, and the molecular weight of this compound is 467.6 g/mol. This product can be custom synthesized to meet your needs.</p>

<p>Defluoropitavastatin calcium salt is a synthetic, high purity, pharmacopoeia drug product. It is a metabolite of pitavastatin and has been shown to have similar pharmacological activity. Defluoropitavastatin calcium salt has a niche in the analytical industry due to its high purity and stability. It has been used as an impurity standard for HPLC analysis. Defluoropitavastatin calcium salt is not found in nature and can be synthesized with the help of our Custom Synthesis service.</p>

<p>(3S,5R)-Atorvastatin calcium is an analytical standard for the drug atorvastatin. It has a purity of 99.9% and is manufactured in accordance with the requirements of the pharmacopoeia. The product is available as a white crystalline powder and is soluble in water, acetone, and ethanol. (3S,5R)-Atorvastatin calcium has been used in drug development and as an impurity standard for HPLC analysis. It also serves as a metabolite to characterize the production process of atorvastatin.</p>

<p>(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt is a synthetic drug product. It is an impurity standard in the synthesis of Metabolism studies. The CAS number is 1714147-50-8 and the chemical name is (3R,5S,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2 methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5dihydroxyheptenoic acid sodium salt. The molecular weight is 781</p>

<p>(3R,5R)-Pitavastatin Calcium Salt is a drug product that is used in the development of pharmaceuticals. It is a synthetic compound with an impurity standard and a metabolite impurity. The CAS number for this product is 254452-96-5. (3R,5R)-Pitavastatin Calcium Salt has been shown to be metabolized by CYP2C9 and CYP2C8 enzymes, which may result in a decrease in potency or activity. This product also has been shown to have anti-inflammatory properties and inhibit the production of inflammatory mediators such as prostaglandins and leukotrienes. (3R,5R)-Pitavastatin Calcium Salt was prepared by solid phase synthesis using a fluorous biphasic approach.</p>

<p>(3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid sodium salt is an impurity standard for the drug product. It is a synthetic metabolite that binds to proteins and has been found in human urine. The chemical synthesis of (3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6 heptenoic acid sodium salt was performed using a high purity custom synthesis and high purity pharmacopoeia grade reagents.</p>

<p>1-Glycoloyl-L-prolinamide is a drug product that is an analytical standard for the impurity 1-glycoloyl-L-proline (CAS No. 96166-39-1) in the API 1,4,5,6-tetrahydrobenzothiazole (CAS No. 86687-93-0). It has been synthesized to be used as an impurity standard and is provided at a purity of 98.0% or greater by weight. This chemical compound can be used in research and development for the production of drugs as well as in pharmaceutical manufacturing.</p>

<p>N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester is an impurity standard for HPLC. It is a synthetic compound that has been custom synthesized to meet the requirements of a pharmacopoeia. This product is offered in a high purity and can be used for drug development and research and development.</p>

<p>3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone is an impurity in the drug product, N-{3-[4-(4-chlorobenzoyl)phenoxy]-2-butenyl}acetamide. It can be used as an analytical reference standard for determining the presence of impurities in pharmaceutical products. 3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone is not a natural component of the API and is typically synthesized with high purity. This compound has been shown to be metabolized by human liver microsomes and rat lung microsomes. The metabolic pathways are unknown but may include oxidation, hydrolysis, or conjugation reactions.</p>

<p>Please enquire for more information about Tadalafil spiro-urethane impurity (EP impurity F) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>((3R,5S,6E)-Methyl-7-(2-cyclopropyl-4-(4-fluorophenyl)quinolin -3-yl)-3,5-dihydroxyhept-6-enoate is a metabolite of the drug product. It is a white to off-white crystalline powder that is soluble in methanol and insoluble in water. This compound has been shown to be an impurity standard for HPLC analysis of the drug product. ((3R,5S,6E)-Methyl-7-(2-cyclopropyl-4-(4-fluorophenyl)quinolin -3-yl)-3,5-dihydroxyhept-6-enoate has been used in metabolism studies and pharmacopoeia as a reference substance for the analytical testing of drugs. It can also be synthesized for research purposes.</p>

<p>Rac5-Keto Fluvastatin is a synthetic, natural and custom synthesis drug product. It's CAS number is 1160169-39-0. Rac5-Keto Fluvastatin is a metabolite of fluvastatin. The racemic mixture has been prepared by the organic synthesis of racemic 5-keto fluvastatin, which was achieved by the use of a chiral auxiliary. Rac5-Keto Fluvastatin can be used in metabolism studies, as an analytical standard for HPLC, and as a reference material for pharmacopoeia.</p>

<p>Pravastatin 6-oxo Impurity is an impurity of Pravastatin, a drug used in the treatment of high cholesterol. The impurity has been identified through analytical methods and is characterized by HPLC analysis. This substance has been shown to be present in at least 0.1% of the drug product and may be present as a result of incomplete synthesis or a side-reaction during synthesis.</p>

<p>(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-naphthalenyl]-5-hydroxy-2-heptenoic acid sodium salt is a synthetic drug product. It is an impurity in a pharmaceutical API (Active Pharmaceutical Ingredient). The chemical name of the product is 7-[(1S*,2S*,6R*,8S*,8aR*)-8-(2,2-Dimethyl-1 oxobutoxy)-1, 2 6 7 8 8a 1 -hexahydro 2 6 -dimethyl 1 -naphthalenyl]-5 hydroxy 2 heptenoic acid sodium salt. It has the following CAS Number: 39</p>

<p>iso-Gemfibrozil is a natural, synthetic drug product. It is an impurity standard for the pharmacopoeia and analytical standards for HPLC. iso-Gemfibrozil is metabolized in the liver to its active form, gemfibrozil. Impurities are not detected by HPLC and can be found in low levels in the API impurity standard. It has been used as a research and development candidate in clinical studies on atherosclerosis, hyperlipidemia, and diabetes mellitus.</p>

<p>2''-Desethyl- 2''- vinyl Simvastatin is a high purity, custom synthesis, impurity standard that is available for sale. The CAS number for this product is 1449248-72-9. This product can be used as a research and development product or as an analytical standard. It has an Impurity Standardization (IS) of 10% at a concentration of 10 mg/mL. This product has been classified by the USP and the European Pharmacopoeia (EP). The excipient in this product is acetonitrile, which is classified as natural.</p>

<p>(S)-3-Hexyl-5,6-dihydro-6-undecyl-2H-pyran-2-one is a natural metabolite that is used for the analytical standardization of HPLC. It is also used in research and development for drug development and as an impurity in pharmaceuticals. This compound has a purity of 99% and a CAS number of 130676-64-1. (S)-3-Hexyl-5,6-dihydro-6-undecyl-2H-pyran-2one is synthesized from 2,4,5,7 tetrahydrobenzofuran.</p>

<p>Des(2-methylbutyryl) pravastatin is a synthetic allylic alcohol that is synthesized from the natural product, pravastatin. It has been shown to have carboxylic acid and carboxylic functional groups as well as two hydrogens on the allylic side of the molecule. In addition, des(2-methylbutyryl) pravastatin has two allylic alcohols with two hydrogens on the allylic side of the molecule. The synthesis of this compound is done by reacting 2-methylbutanoic acid with an allyl bromide in a reaction catalyzed by sodium methoxide. This reaction produces a mixture of products that includes des(2-methylbutyryl)pravastatin.</p>

<p>Atorvastatin is a synthetic drug product. It is a prodrug that is converted to its active form, atorvastatin acid, in the body. Atorvastatin is used for lowering blood cholesterol levels in people with hypercholesterolemia and reducing the risk of coronary heart disease. This drug has been shown to reduce the number of deaths from coronary heart disease by 30% after five years of use. Atorvastatin also reduces the risk of stroke and fatal or non-fatal heart attack by 20%.</p>

<p>The Z-isomer impurity of pitavastatin is a synthetic compound that has been used as an analytical standard and pharmacopoeia reference. The Z-isomer impurity is not found in nature, but is generated by the hydrogenation of the natural product. It has been shown to be metabolized by CYP3A4 and CYP2C9 enzymes, which are the primary enzymes responsible for drug metabolism. This impurity does not have any therapeutic effect on the body, but can be used as a research and development standard for HPLC.</p>

<p>Please enquire for more information about Defluoro pitavastatin including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Simvastatin 4'-methyl ether is a metabolite of simvastatin. It is an impurity in the drug product and can be used as an analytical standard for HPLC. It is not a drug product or a pharmaceutical ingredient, but it can serve as an impurity standard for pharmacopoeia.</p>

<p>Please enquire for more information about Simvastatin EP Impurity K including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Mevalonic acid is essential for cell growth and proliferation,Mevalonic acid is a precursor in the mevalonate pathway.</p>

<p>Carboprost (15(S)-15-Methyl Prostaglandin F2α) is a synthetic prostaglandin analogue of PGF2α which has the effect of oxytocic.</p>

<p>Prasugrel Maleic acid: oral P2Y12 antagonist, thienopyridine prodrug, inhibits ADP-induced platelet aggregation.</p>

<p>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.</p>

<p>(3S,5R)-Rosuvastatin is the (3R,5R)-enantiomer of Rosuvastatin. Rosuvastatin is a competitive HMG-CoA reductase inhibitor (IC50: 11 nM).</p>

<p>Please enquire for more information about Rosuvastatin EP impurity M calcium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>