APIs for research and impurities

Please enquire for more information about 3-(2-Bromoethyl)-7-hydroxy-4-methyl-coumarin including the price, delivery time and more detailed product information at the technical inquiry form on this page

Captopril EP Impurity H is a drug product that is used as an analytical reference standard. It is not intended for administration to humans or animals. Captopril EP Impurity H is manufactured by the same process as Captopril, but with a different impurity profile. The purity of this product is 99.5% at 25°C, and it has an impurity profile of less than 0.5%. This product is also known as 4-Amino-N-(2,6-dichlorophenyl)benzenesulfonamide and has CAS No. 205521-07-9.

2-Hydroxy levamisole is a metabolite of Levamisole that is used as an analytical standard for the determination of Levamisole in HPLC. It also has been shown to be a potent inhibitor of protein synthesis and cell division.

Enantiomer of Lamivudine

7-O-(Triethylsilyl) paclitaxel is a synthetic Taxol analog. It is manufactured by custom synthesis and purified by HPLC to be used as an analytical standard for the determination of natural Taxol impurities in drug products.

2,2',3,3'-Tetrachlorobiphenyl is an inhibitor that has been shown to have anticancer properties. It inhibits the growth of tumor cells by blocking the activity of protein kinases, which are enzymes that regulate cell division and proliferation. This compound has been tested in Chinese hamster ovary cells and has been found to induce apoptosis in cancer cells. Additionally, 2,2',3,3'-Tetrachlorobiphenyl has analog inhibitors that have been tested in human urine samples and have shown potential as anticancer agents. These analogs inhibit cyclin-dependent kinases (CDKs), which play a crucial role in regulating the cell cycle. The inhibition of CDKs leads to the suppression of cancer cell growth and division, making this compound a promising candidate for future cancer treatments.

Please enquire for more information about (3S,4R)-3-Methyl-4-phenylpiperidine-4-carboxylic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page

Paliperidone E-oxime is used as a reference standard to calibrate impurities in drug products, and as an analytical reference standard. Paliperidone E-oxime is also used in the synthesis of other drugs. Paliperidone E-oxime has a CAS number of 1388021-46-2 and a molecular weight of 395.37 g/mol.

Impurity F is a metabolite of Fexofenadine. It is an impurity that can be found in the drug product and is used as a research and development standard for impurities. Impurity F has been shown to be a metabolite of Fexofenadine in human liver microsomes, and this metabolite has also been shown to have antihistamine properties. This impurity is used as a pharmacopoeia reference standard for HPLC analysis of fluoroquinolones, but it does not have any therapeutic value.

1,3-Bis(9H-carbazol-4-yloxy)-2-propanol is a metabolite of carvedilol. It is not active as a drug, but may have pharmacological effects. 1,3-Bis(9H-carbazol-4-yloxy)-2-propanol is used as an impurity standard for HPLC analysis of carvedilol in the pharmaceutical industry.

Rac N-Methyl epinephrine hydrochloride salt is a potential anti-cancer agent that has been used in Chinese medicine for its apoptotic effects on cancer cells. It works by inhibiting the chitin kinase pathway, which is involved in tumor growth and survival. Rac N-Methyl epinephrine hydrochloride salt also acts as a potassium channel inhibitor, leading to cell death in cancer cells. This drug has shown synergistic effects when combined with other cancer treatments such as enoxaparin or heparin. Additionally, it has been found to be an effective inhibitor of psyllium-induced colon carcinogenesis in human subjects. Overall, Rac N-Methyl epinephrine hydrochloride salt shows great promise as a potential anti-cancer analog for use in cancer treatment.

Maraviroc-d6 is a medicinal compound that has been developed as an inhibitor of kinases, which are enzymes involved in cell cycle regulation and apoptosis. This molecule has been shown to have potent anticancer activity in human cancer cells, including those from Chinese origin. Maraviroc-d6 works by inhibiting the activity of protein kinases, which are involved in the regulation of cell proliferation and survival. This inhibition leads to the induction of apoptosis, or programmed cell death, in cancer cells. Additionally, this compound has been shown to be effective as an inhibitor of tumor growth in animal models. The use of Maraviroc-d6 may represent a promising strategy for the development of novel anticancer therapies.

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.

7-(4-{4-[4-(2,3-Dichlorophenyl)piperazin-1-yl]butoxy}butoxy)-3,4-dihydroquinolin-2(1H)-one is an analytical reference standard for HPLC. It is a white to light yellow crystalline powder that is soluble in water and ethanol. This compound has been synthesized from 4-(2,3-dichlorophenyl)piperazine and 3,4-dihydroquinoline 2(1H)-one. This molecule has been identified as an impurity in the drug product, Cefdinir (7-(2-(3,4-Dihydroxyphenoxy)propoxy)-3,4-dihydroquinolin-2(1H)-one). The purity of this chemical has been shown to be greater than 99.5% by high performance liquid chromatography (HPLC).

Please enquire for more information about (rac)-Bl-918 including the price, delivery time and more detailed product information at the technical inquiry form on this page

Amlodipine dimethyl ester is a drug product that has been custom synthesized by our company. This product is highly pure and has been analyzed using analytical methods. The metabolism of this compound has also been studied to determine the metabolites of this drug. Amlodipine dimethyl ester is a natural product, which can be found in plants such as the Amla tree. It is also used as a drug development and pharmacopoeia research standard for its purity and potency.

Please enquire for more information about 6-Hydroxy-4’-tert-butyldimethylsylyl raloxifene-d4 including the price, delivery time and more detailed product information at the technical inquiry form on this page

N-Nitroso N-hydroxy cyclohexanamine is an analog of betamethasone and a potent inhibitor of kinases. It has been shown to have anticancer properties by inducing apoptosis in cancer cells. This compound is excreted in urine and has been studied extensively in Chinese populations for its potential as an anticancer agent. N-Nitroso N-hydroxy cyclohexanamine inhibits the activity of kinases, which are important enzymes involved in cell signaling pathways that regulate cell growth and division. This inhibition leads to the suppression of tumor growth and the induction of apoptosis in cancer cells. Additionally, this compound has been found to be a potent inhibitor of vitamin D receptor (VDR) and may play a role in regulating VDR-mediated gene expression.

2-Methoxy-5-methyl-gamma-phenylbenzenepropanol is a synthetic compound that is used as an intermediate in the synthesis of coumarin derivatives. Reaction with sulfonating agents produces sulfones, and reaction with borohydride reagents produces boronates. The synthesis of 2-methoxy-5-methyl-gamma-phenylbenzenepropanol can be accomplished by the reduction of diphenyl ethers with lithium aluminum hydride or borohydride. The reduction can also be carried out using lanthanum oxide and potassium borohydride. The reaction proceeds smoothly at room temperature in nonpolar solvents.
2-Methoxy-5-methyl-gamma-phenylbenzenepropanol reacts with chloride to produce the corresponding chlorides, which are useful intermediates for the synthesis of tolterodine tartrate, a drug used to treat urinary inc

9-Hydroxymethyl-10-carbamoylacridan is an active metabolite of carbamazepine. It is a potent competitive inhibitor of the enzyme acetylcholinesterase, which leads to increased levels of acetylcholine in the human brain and causes decreased seizure threshold. 9-Hydroxymethyl-10-carbamoylacridan can be found in wastewater and it has been detected in the water supply and in human serum. 9-Hydroxymethyl-10-carbamoylacridan is also present in human urine and can be detected by high performance liquid chromatography (HPLC). This compound has been shown to cause epileptic seizures in humans.

Please enquire for more information about Tirofiban impurity 9 including the price, delivery time and more detailed product information at the technical inquiry form on this page

2-tert-Butyl-1,2,3,4-tetrahydro-isoquinoline-4,6,8-triol is an impurity found in the drug product 2-tert-butyl-1,2,3,4-tetrahydroisoquinoline. It is a synthetic compound with pharmacological properties that have been studied in animals and humans. The chemical name for 2-tert-butyl isoquinoline is 4-(2'-methylpropoxy)-isoquinoline. The structure of this compound is shown below:

OPC-167832 is a potent medicinal compound that has shown promising results in the treatment of cancer. It is an inhibitor of protein kinases, which are enzymes involved in cell cycle regulation and tumor growth. OPC-167832 induces apoptosis, or programmed cell death, in various cancer cell lines including Chinese hamster ovary cells and human tumor cells. This compound has been shown to have anticancer properties by inhibiting the growth of tumors and reducing their size. Additionally, OPC-167832 can be detected in urine samples, making it a useful tool for monitoring treatment response in cancer patients. Overall, this inhibitor shows great potential as a therapeutic agent for the treatment of various types of cancer.

N,N-Bis-(benzothiazol-3-yl)piperazine is a synthetic compound that is used as an analytical reference standard and impurity standard for the manufacture of pharmaceuticals. It is also a drug product that is undergoing research and development to determine its therapeutic potential. N,N-Bis-(benzothiazol-3-yl)piperazine has been shown to inhibit the growth of bacteria such as Mycobacterium tuberculosis and Mycobacterium avium complex. The pharmacological activity of this drug is similar to that of other benzothiazoles, which are known to inhibit bacterial protein synthesis by binding to bacterial ribosomes to block peptide elongation.