APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,349 products)
- Anthraquinones and derivatives(406 products)
- Benzimidazole and Imidazole Derivatives(10,463 products)
- Benzodiazepine Derivatives(335 products)
- Carbohydrates and glycoconjugates(5,049 products)
- Esters and Derivatives(42,305 products)
- Fatty Acids and Lypidic Derivatives(32,454 products)
- Flavonoids and Polyphenols(17,099 products)
- Free Radicals and Oxidant/Reducing Agents(214 products)
- Ketones and derivatives(2,402 products)
- Natural and semi-synthetic antibiotics(6,398 products)
- Nitriles and Cyano Derivatives(3,070 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,487 products)
- Organic Phosphates and Phosphonates(1,203 products)
- Organic Sulphonates and Sulphates(10,447 products)
- Organometallics(4,424 products)
- Others(6,323 products)
- Peptides and Proteins(3,152 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,957 products)
- Quinazoline and Quinoline Derivatives(66,147 products)
- Quinones and Derivatives(24,376 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(81,360 products)
- Steroids and Derivatives(4,975 products)
- Sulfonamides and Derivatives(2,606 products)
- Terpenoids and Derivatives(3,858 products)
- Thiazolidinediones and Thiopyrans(2,755 products)
- β-Adrenergic Compounds(231 products)
Found 57699 products of "APIs for research and impurities"
(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
CAS:(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid is a drug product of the drug development industry. It is a metabolite of 3-(1,2,4-triazol-1-ylmethyl)thiazolidine-4-carboxylic acid and has been used as an analytical standard for HPLC methods. The compound has been shown to be naturally occurring in humans. (S)-3-(1,2,4-Triazol-1ylmethyl)thiazolidine 4 carboxylic acid is also used as the impurity standard for the API 3-(1,2,4 triazol 1ylmethyl)thiazolidine 4 carboxylic acid.
Formula:C9H12N2O4SPurity:Min. 95%Molecular weight:244.27 g/molRef: 3D-IO145579
Discontinued product4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
CAS:This is a white crystalline compound that has been shown to be effective against glutamic acid-sensitive L-amino acid decarboxylase. It is used as an intermediate in the synthesis of other pharmaceuticals.
Formula:C10H10N2O4SPurity:Min. 95%Molecular weight:254.26 g/molRef: 3D-IH21390
Discontinued productDesacetyl bisacodyl β-D-glucuronide
CAS:Desacetyl bisacodyl β-D-glucuronide is a drug product that is used as an impurity standard in analytical chemistry. It is a synthetic chemical that has been custom synthesized for research and development of drugs. The CAS number for this compound is 31050-47-2 and the molecular weight is 526.25 g/mol. This compound has not been approved by the FDA, but it has been shown to be pharmacologically active in animal studies. Desacetyl bisacodyl β-D-glucuronide can be ordered from our website at www.customsynthesislab.com
Formula:C24H23NO8Purity:Min. 95%Molecular weight:453.4 g/molRef: 3D-GBA05047
Discontinued product(E)-4-Alloxycarboxyl tamoxifen
CAS:(E)-4-Alloxycarboxyl tamoxifen is a synthetic metabolite of tamoxifen. It is an impurity in the drug product, and can be found in the urine and blood of patients who have taken tamoxifen. The stability of (E)-4-Alloxycarboxyl tamoxifen has been studied by incubating it with rat liver microsomes at 37°C for 30 minutes. Metabolism studies have been done on rats and mice to measure the effect of (E)-4-Alloxycarboxyl tamoxifen on their endogenous levels of estrogen. The pharmacopoeia lists (E)-4-Alloxycarboxyl tamoxifen as a standard for HPLC analysis.
Formula:C30H33NO4Purity:Min. 95%Molecular weight:471.60 g/molRef: 3D-MBC19158
Discontinued productDiethyl methylphenylmalonate
CAS:Diethyl methylphenylmalonate is a halogenated organic compound that can be prepared by the reaction of magnesium with diethyl malonate and methylbromide. Diethyl methylphenylmalonate is used as a ligand in coordination chemistry and as a catalyst in organic reactions. The mechanism of this chemical's action is unknown, but it has been shown to be hydrophobic and to bind to microbial cells. It also has been demonstrated to have an oxidation catalyst activity. Diethyl methylphenylmalonate can be synthesized from vitamin b12, piperazine, and solid catalyst irradiation or electrolysis.
Formula:C14H18O4Purity:Min. 95%Molecular weight:250.29 g/molRef: 3D-JBA00961
Discontinued productAminopentamide sulfate
CAS:Aminopentamide sulfate is a pharmaceutical dosage form that is a polymeric matrix containing glycol ether, fatty acid ester, and glycol ester. It is used as a local anesthetic to numb the skin and other tissues. Aminopentamide sulfate can be administered topically or by injection into the body. It has been shown to have therapeutic effects on animals with pain-related conditions such as arthritis and neuropathy. The intramolecular hydrogen bonds in aminopentamide sulfate are thought to be formed between the carbonyl group of atropine sulfate and the hydroxyl groups of benzimidazole derivatives. These functional groups form hydrogen bonds with fatty alcohols in the matrix, which may help stabilize it.
Formula:C19H26N2O5SPurity:Min. 95%Molecular weight:394.5 g/molRef: 3D-VAA70177
Discontinued product4-[2-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]thio]-4-thiazolyl]-1-methyl-pyridinium Chloride Monoh ydrochloride
CAS:4-[2-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]thio]-4-thiazolyl]-1-methylpyridinium Chloride Monohydrochloride is a drug product under development for the treatment of bacterial infections. 4-[2-[(6R,7R)-7Amino--2carboxy8oxo5thia1azabicyclo[4.2.0]oct2en3yl]thio]-4thiazolyl]-1methylpyridinium Chloride Monohydrochloride is an impurity in the API Methicillin (CAS No. 40082764). Impurities are not necessarily undesirable and may have substantial therapeutic value or provide a desired
Formula:C16H15N4O3S3·Cl·HClPurity:Min. 95%Molecular weight:479.43 g/molEthyl 2-methoxy-5-sulfamoylbenzoate
CAS:Ethyl 2-methoxy-5-sulfamoylbenzoate is a research and development impurity standard. It is a white to off-white crystalline solid that is soluble in water. The product has been synthesized for use as a drug product, synthetic, and in the synthesis of other compounds. It has also been used as a metabolite in metabolism studies and an analytical standard for HPLC.
Formula:C10H13NO5SPurity:Min. 95%Molecular weight:259.28 g/molRef: 3D-IE140268
Discontinued productN-Trityl candesartan ethyl ester
CAS: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.
Formula:C45H38N6O3Purity:Min. 95%Molecular weight:710.80 g/molRef: 3D-XWC98581
Discontinued productDesmethyl dehydro lercanidipine
CAS:Desmethyl dehydro lercanidipine is a metabolite of lercanidipine, an antihypertensive agent. Lercanidipine is a dihydropyridine calcium channel blocker that inhibits the influx of calcium ions into cardiac muscle cells and vascular smooth muscle cells. The desmethyl form of lercanidipine has been shown to have anti-inflammatory effects in rats with experimental arthritis. It has also been shown to inhibit the production of inflammatory cytokines in lipopolysaccharide-stimulated human peripheral blood mononuclear cells.
Formula:C35H37N3O6Purity:Min. 95%Molecular weight:595.70 g/molRef: 3D-UUB22697
Discontinued product(E)-2-Furaldehyde, (2,4-dinitrophenyl)hydrazone
CAS:Please enquire for more information about (E)-2-Furaldehyde, (2,4-dinitrophenyl)hydrazone including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C11H8N4O5Purity:Min. 95%Molecular weight:276.2 g/molRef: 3D-RAA41622
Discontinued product1-Glycoloyl-L-prolinamide
CAS: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.
Formula:C7H12N2O3Purity:Min. 95%Molecular weight:172.18 g/molRef: 3D-FG167741
Discontinued productTriacetyl aloe-emodin (impurity A)
CAS:Triacetyl aloe-emodin (impurity A) is an impurity found in the Triacetyl Aloe-Emodin HPLC standard, which is a drug product. It is not approved for use as a drug and should be used only for research and development purposes. The impurity can be custom synthesized or purchased from a specialty chemical supplier. Impurities are not typically found in the final drug product but can occur during synthesis or purification of the API. This impurity is not present in any pharmacopoeia and has no known biological activity. The CAS number of this impurity is 25395-11-3.
Formula:C21H16O8Purity:Min. 95%Molecular weight:396.35 g/molRef: 3D-IT28380
Discontinued productRS 67506 hydrochloride
CAS:RS 67506 hydrochloride is a biochemical that is used in experimental and descriptor studies. The ketone group has been found to be an important part of the molecular structure. RS 67506 hydrochloride has been shown to have a number of biological properties, including inhibition of the synthesis of neurotransmitters such as dopamine, serotonin and norepinephrine; it also has anti-nervous system activity. This chemical was also found to inhibit the synthesis of prostaglandin E2 in human neutrophils. It is hypothesized that RS 67506 hydrochloride may inhibit phospholipase A2, which would prevent the release of arachidonic acid from phospholipids into the cell membrane and block the production of eicosanoids.
Formula:C18H29Cl2N3O4SPurity:Min. 95%Molecular weight:454.4 g/molRef: 3D-TGA98661
Discontinued productOzagrel impurity III
CAS:Please enquire for more information about Ozagrel impurity III including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C13H16O2Purity:Min. 95%Molecular weight:204.26 g/molRef: 3D-JIA33421
Discontinued productBinospirone hydrochloride
CAS:Binospirone hydrochloride is a drug product that is used in the treatment of depression. It belongs to the class of antidepressants and has been shown to be effective against major depressive disorder (MDD). Binospirone hydrochloride is metabolized by cytochrome P450 enzymes into two metabolites: 3-hydroxybinospirone and 2,3-dihydroxybinospirone. The natural form of binospirone hydrochloride is synthesized from tyrosine and phenylalanine. It is also found as an impurity in other pharmaceuticals, such as clomipramine, amitriptyline, and fluoxetine. It has been shown that this compound binds to the serotonin transporter (SERT) at high affinity. This binding inhibits the reuptake of serotonin from synapses, leading to increased extracellular concentrations of serotonin.
Formula:C20H27ClN2O4Purity:Min. 95%Molecular weight:394.9 g/molRef: 3D-CEA90860
Discontinued productHaloxyfop-d4
CAS: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.
Formula:C15H11ClF3NO4Purity:Min. 95%Molecular weight:365.72 g/molRef: 3D-CFA89334
Discontinued product[5-L-Aspartic Acid]-desmopressin
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
Purity:Min. 95%Simvastatin impurity K
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.
Formula:C25H40O5Purity:Min. 95%Molecular weight:420.58 g/molRef: 3D-IS45166
Discontinued productMethyl 2-hydrazinecarboxylate
CAS:Methyl 2-hydrazinecarboxylate, also known as methylene diazohydroxide, is a synthetic compound. It has been used in research and development as an analytical standard and impurity standard for HPLC methods.
Formula:C4H8ClN3O2Purity:Min. 95%Molecular weight:165.58 g/molRef: 3D-KXB50326
Discontinued product
