Fatty Acids and Lypidic Derivatives

<p>Applications Labelled Ezetimibe (E975000), an antihyperlipoproteinemic. A Cholesterol absorption inhibitor.<br>References van Heek, M., at al.: J. Pharmacol. Exp. Ther., 283, 157 (1997), van Heek, M., at al.: Brit. J. Pharmacol., 129, 1748 (2000)<br></p>

<p>Impurity Impurity N<br>Applications 2-Methyl Simvastatin is an impurity of Simvastatin (S485000), a competitive inhibitor of HMG-CoA reductase.<br>References Andelija, M., et. al.: J. Liq. Chromatogr. R. T., 32, 874 (2009); Hoffman, W.F., et al.: J. Med. Chem., 29, 849 (1986); Mol, M.J., et al.: Lancet, 2, 936 (1986)<br></p>

<p>Applications An isomeric impurity of Orlistat (O686500) with modulatory activity on endocannabinoid 2-arachidonoylglycerol metabolism.<br>References Ortar, G. et al.: J. Med. Chem., 51, 6970 (2008);<br></p>

<p>Applications S)-4-Phenyl-2-oxazolidinone is an intermediate for the synthesis and development for cholesterol absorption inhibitor AZD4121.<br>References Soloshonok, V.A., et al.: Tetrahedron. Lett., 46, 1107 (2005); Luo, Y., et al.: Chinese. Chem. Lett., 17, 1551 (2006); Karlsson, S., et al.: Org. Process.Res. Develop., 16, 586 (2012);<br></p>

<p>Applications Misoprostol (M368750) impurity.<br>References Lee, H.K., et al.: J. Pharma. Sci., 73, 306 (1984),<br></p>

<p>Applications 4-{[(p-Fluorophenyl)imino]methyl}phenol is used in the preparation of benzylacetones which promote anti-fungal activity.<br>References Sandhar, R. et al.: J. Ind. Council Chem., 22, 32 (2005);<br></p>

<p>Applications Ontazolast is a leukotriene biosynthesis inhibitor.<br>References Lazer, E., et al.: J. Med. Chem., 37, 913 (1994); Hauss, D., et al.: J. Pharm. Sci., 87, 164 (1998);<br></p>

<p>Applications Cholic Acid-24-13C (CAS# 52886-36-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications Phospho(enol)pyruvic Acid Monopotassium Salt is a reactant used in the preparation of substrate analogs of creatine kinase with anticancer activity.<br>References Bergnes, G., et. al.: Oncol. Res., 8, 121 (1996);<br></p>

<p>Applications 2-Hexadecyl-octadecanoic Acid is a branched saturated fatty acid.<br>References Gronowitz, S., et al.: Lipids, 28, 889 (1993);<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite from endophytes of the medicinal plant Erythrina crista-galli.<br>References Stadler, M., et al.: Planta Med., 60, 128 (1994), Kopcke, B., et al.: Phytochemistry, 60, 709 (2002), Chu, M., et al.: J. Nat. Prod., 66, 1527 (2003), Weber, D., et al.: J. Antibiot., 57, 559 (2004),<br></p>

<p>Applications 1,3-Bis(2,5-dimethylphenoxy)propane is a metaboolite of gemfibrozil (G305750). Gemfibrozil is a serum lipid regulating agent used as an antihyperlipoproteinemic.<br>References Kissebach, A.H., et al.: Atherosclerosis, 24, 199 (1976), Lewis, J.E., et al.: Pract. Cardiol., 9, 99 (1983), Rubins, H.B., et al.: N. Engl. J. Med., 341, 410 (1999)<br></p>

<p>Applications Octanoic Acid, is found naturally in the milk of various mammals. Its esters can be used in perfumery and also in the manufacture of dyes. It is also an antimicrobial pesticide used as a food contact surface sanitizer. Caprylic acid is also used in the treatment of some bacterial infections.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Lide, D. R., et al.: CRC Handbook chem. Phys., 70th Ed. (1990); Beare-Rogers, J., et al.: Pue Appl. Chem., 73 (4), 685 (2001);<br></p>

<p>Applications Tadalafil (T004500) derivative. Used in the preparation of pyrazinopyridoindole derivatives for their PDE5 inhibitory activity.<br>References Beghyn, T. et al.: Bioorgan. Med. Chem. Lett. 17, 789(2007)<br></p>

<p>Applications Tadalafil-13C2,d3 is labelled Tadalafil (T004500) which is used for the treatment of erectile dysfunction. It is a phosphodiesterase 5 inhibitor.<br>References Carrier, S., et al.: Can. J. Urol., 10(1), 12 (2003), Doggrell, S.A., et al.: Expert Opin. Pharmacother., 6, 75 (2005), Forgue, S.T., et al.: Br. J. Clin. Pharmacol., 61, 280 (2005)<br></p>

<p>Applications Formic Acid is used as a potential energy source in the preparation of fuel cells. Also used in chemical synthesis of various anti-inflammatory and anti-microbial agents.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yu, X. et al.: J. Power Source., 182, 124 (2008); Bekhit, A. et al.: Bioorg. Med. Chem., 12, 1935 (2004);<br></p>

<p>Stability Hygroscopic<br>Applications Tadalafil Hydroxypiperidone, is an impurity of Tadalafil (T004500), a phosphodiesterase 5-inhibitor used for the treatment of erectile dysfunction.<br>References Carrier, S., et al.: Can. J. Urol., 10(1), 12 (2003), Doggrell, S.A., et al.: Expert Opin. Pharmacother., 6, 75 (2005), Forgue, S.T., et al.: Br. J. Clin. Pharmacol., 61, 280 (2005),<br></p>

<p>Applications (4S3-[(2R,5S)-5-(4-Fluorophenyl)-2-[(S)-[(4-fluorophenyl)amino][4-[(trimethylsilyl)oxy]phenyl]methyl]-1-oxo-5-[(trimethylsilyl)oxy]pentyl]-4-phenyl-2-oxazolidinone is used in the synthesis of Ezetimibe (E975000), an antihyperlipoproteinemic; a cholesterol absorption inhibitor.<br>References Bankowski, K., et. al.: Przemysl Chemiczny, 91, 289 (2012); van Heek, M., at al.: J. Pharmacol. Exp. Ther., 283, 157 (1997); van Heek, M., at al.: Brit. J. Pharmacol., 129, 1748 (2000)<br></p>

<p>Applications Isoallolithocholic Acid is used as a steroid compound as T regulatory lymphocyte modulators and uses for treatment of inflammatory or autoimmune disorders.<br>References Littman, D. R., et al.: PCT Int. Appl. 160pp. (2020)<br></p>

<p>Applications Acyl Glucuronide is a bile acid and steroid conjugate.<br>References Maekawa, M., et al.: Steroids, 80, 80 (2014); Goto, J., et al.: Steroids, 63, 180 (1998); Murao, N., et al.: Chromatography, 19, 276 (1998)<br></p>

<p>Applications Atorvastatin-d5 tert-Butyl Ester is the labeled analogue of Atorvastatin tert-Butyl Ester (A791740), an impurity arising in the synthesis of Atorvastatin (A791750), a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.<br>References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993); Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996); Whitfield, L.R., et al.: Eur. J. Drug Metab. Pharmacokinet., 25, 97 (2000)<br></p>

<p>Applications S-Desethylpiperidino S-[2-Carboxyl-2-oxo-ethyl-(2-aminoethyl)amino] Vardenafil is an impurity of Vardenafil (V098001, 2HCl); a selective phosphodiesterase type 5 (PDE5) inhibitor.<br>References Bischoff, E., et al.: J. Urol., 165, 1316 (2001); Kim, N.N., et al.: Life Sci., 69, 2249 (2001); Kendirci, M., et al.: Expert Opin. Pharmacother., 5, 923 (2004)<br></p>

<p>Applications Hydroxy Vildagliptin is an impurity of Vildagliptin (V305000). Vildagliptin is a DPP-​4 enzyme inhibitor, has anti-oxidant properties and used as an apoptotic agent on pancreatic cancer . Vildagliptin is used to treat type 2 diabetes mellitus (T2DM) and improve the endothelial function of patients.<br>References Amritha, C.A., et al.: J. Clin. Diagn. Res., 9, FC14 (2015); Cosenso-Martin, L.N., et al.: Diabetol. Metab. Syndr., 7, 70/1 (2015)<br></p>

<p>Impurity Tadalafil EP Impurity A N-Desmethyl Impurity<br>Applications (6R,12aS)-N-Desmethyl Tadalafil (Tadalafil EP Impurity A N-Desmethyl Impurity) is an intermediate in the synthesis of novel potent arylated analogues of tadalafil (T004500).<br>References Beghyn, T., et al.: Bioorg. Med. Chem. Lett., 17, 789 (2007);<br></p>

<p>Applications A labelled metabolite of Pravastatin (P702000), a competitive inhibitor of HMG-CoA reductase.<br>References Serizawa, N., et al.: J. Antibiot., 36, 604 (1983), White, H.D, et al.: N. Engl. J. Med., 343, 317 (2000)<br></p>

<p>Impurity Rosuvastatin EP Impurity A T-Butyl Ester<br>Applications S-Desmethyl-S-(2-hydroxy-2-methylpropyl) Rosuvastatin tert-Butyl Ester (Rosuvastatin EP Impurity A T-Butyl Ester) is an intermediate in the synthesis of Rosuvastatin (R700500) related compounds.<br></p>

<p>Applications Simvastatin impurity.<br>References Vuletic, M., et al.: J. Pharm. Biomed. Anal., 37, 715 (2005),<br></p>

<p>Applications N-Desmethyl analog of Rosuvastatin Lactone (R700550); an intermediate in the production of Rosuvastatin (R700500) derivatives.<br></p>

<p>Stability Hygroscopic<br>Applications ω-Muricholic Acid is used in the regulation of weight gain and lipid metabolism by bacterial bile acid modification in gut for the control of obesity and hypercholesterolemia.<br>References Joyce, Susan A., et al.: Proc. Natl. Acad. Sci. USA, 111, 7421 (2014)<br></p>

<p>Applications Obeticholic Acid Methyl Ester is a bile acid derivative useful in research.<br>References Pellicciari, R., et al.: Journal of Medicinal Chemistry, 50, 4265 (2007)<br></p>

<p>Applications A novel C-11 epoxy fatty acid, from timothy chokes, stromata of E. typhina, has antifungal activity against Cladosporium herbarum.<br>References Koshino, H., et al.: Agric. Biol. Chem., 53, 2527 (1989),<br></p>

<p>Stability Very Hygroscopic, Unstable in Solution<br>Applications A metabolite of Clofibric Acid.<br>References Ding, A., et al.: Drug. Metab. Dispos., 23, 369 (1995), Sallustio, B., et al.: Toxicol. Appl. Pharmacol., 147, 459 (1997), Akira, K., et al.: Drug Metab. Dispos., 26, 457 (1998), Sallustio, B., et al.: Curr. Drug Metab., 1, 163 (2000),<br></p>

<p>Applications (2Z)-2,3-Dehydroxy Atorvastatin is an intermediate in synthesizing (2E)-2,3-Dehydroxy Atorvastatin (D230045), which is an impurity in the synthesis of Atorvastatin (A791750).<br>References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993); Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996);<br></p>

<p>Applications Triphenylphosphine is used in the synthesis of Chlorambucil with cytotoxicity in breast and pancreatic cancers. Also used in the preparation of α-Tocopherol analogues for monitoring antioxidant status.<br>References Millard, M. et al.: J. Med. Chem., 56, 9170 (2013); Krumova, K. et al.: J. Am. Chem. Soc., 135, 17135 (2013);<br></p>

<p>Applications Tauro 6-Ethlchenodeoxycholic Acid-d5 Sodium Salt is the labelled version of Tauro 6-Ethlchenodeoxycholic Acid Sodium Salt (T009025) which can be otained from 6-Ethylchenodeoxycholic Acid (E899810), a derivative of the bile acid Chenodeoxycholic Acid (C291900). 6-Ethylchenodeoxycholic Acid (E899810) is a potent activator of the farnesoid X nuclear receptor which reduces liver fat and fibrosis in animal models of fatty liver disease.<br>References Neuschwander-Tetri, B.A., et al.: Lancet., 385, 956 (2015)<br></p>

<p>Impurity Bezafibrate EP Impurity D<br>Applications Bezafibrate Ethyl Ester is a derivative of Bezafibrate (B341000); an antilipemic.<br>References Zimmerman, R., et al.: Atherosclerosis 29, 477 (1978); Monk, J.P., et al.: Drugs, 33, 539 (1987)<br></p>

<p>Applications An inactive metabolite/product of Thromboxane A2 (TBXA2): a compound involved in platelet activation and aggregation in case of a wound. Urinary analysis of TXB2 accurately reflects intrarenal TXA2 synthesis while measurement of 11-dehydro TBX2 (D230555) and 2,3-dinor thromboxane metabolites gives the best estimate of systemic TXA2 secretion.<br>References Needleman, P. et al.: Nature, 261, 558 (1976); Patrono, C. et al.: J Clin. Invest., 77, 590 (1986); Patrono, C. et al.: Adv. Prostaglandin Thromboxane Leukot. Res., 11, 493 (1983);<br></p>

<p>Applications 4’-Fluoroacetophenone is an intermediate used for the synthetic preparation of various pharmaceutical good and agricultural products.<br>References Xiao, Z.J., et al.: Chem. Eng. Sci., 84, 695 (2012); Vitale, P., et al.: Tetrahedron., 22, 1985 (2011); Kawano, S., et al.: Biosci. Biotech. Biochem., 75, 1055 (2011);<br></p>

<p>Impurity Simvastatin Impurity K<br>Applications 4α,5-Dihydro Simvastatin is an impurity in the synthesis of Simvastatin (S485000), a synthetic derivative of a fermentation product of Aspergillus terreus. A competitive inhibitor of HMG-CoA reductase. A synthetic analog of Lovastatin. Antilipemic. Simvastatin, the drug, is sold under the trade name Zocor.<br>References Hoffman, W.F., et al.: J. Med. Chem., 29, 849 (1986), Mol, M.J., et al.: Lancet, 2, 936 (1986),<br></p>

<p>Applications Tauro 6-Ethlchenodeoxycholic Acid Sodium Salt can be otained from 6-Ethylchenodeoxycholic Acid (E899810) which is a derivative of the bile acid Chenodeoxycholic Acid (C291900). 6-Ethylchenodeoxycholic Acid (E899810) is a potent activator of the farnesoid X nuclear receptor which reduces liver fat and fibrosis in animal models of fatty liver disease.<br>References Neuschwander-Tetri, B.A., et al.: Lancet., 385, 956 (2015)<br></p>

<p>Impurity Atorvastatin 2-Hydroxy Lactone<br>Stability Hygroscopic<br>Applications A metabolite of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.<br></p>

<p>Applications Lomitapide is a drug used in the treatment of obesity and aids in lowering LDL cholesterol and overall cholesterol levels in subjects.<br>References Cuchel, M. et al.: Lancet., 381, 40 (2013); Stefanutti, C. et al.: Atherosclero. Suppl., 14, 19 (2013);<br></p>

<p>Applications Hexacosanoic Acid (cas# 506-46-7) is a compound useful in organic synthesis.<br></p>

<p>Applications Succinic Acid-13C4 is a compound useful in organic synthesis.<br></p>

<p>Stability Light Sensitive, Temperature Sensitive<br>Applications An Atorvastatin (A791750) derivative which have improved stability.<br></p>

<p>Applications A related dimeric impurity of Sildenafil (S435000).<br></p>

<p>Applications The N-oxide impurity of the selective serotonin reuptake inhibitor Dapoxetine (D185700).<br></p>

<p>Applications (1R,​3R)​-1-​(1,​3-​Benzodioxol-​5-​yl)​-​2,​3,​4,​9-​tetrahydro-1H-pyrido[3,​4-​b]​indole-​3-​carboxylic Acid Hydrochloride is an impurity of Tadalafil (T004500) and is a β-​carboline derivative. (1R,​3R)​-1-​(1,​3-​Benzodioxol-​5-​yl)​-​2,​3,​4,​9-​tetrahydro-1H-pyrido[3,​4-​b]​indole-​3-​carboxylic Acid Hydrochloride can be used to produce Tadalafil.<br>References Lek Pharmaceuticals d.d., Slovenia: Eur. Pat. Appl., EP 2107059 A1 20091007 (2009)<br></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>(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>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>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>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>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>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>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>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>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>((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>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>(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>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>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>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-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>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 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>(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>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>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>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>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>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>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>