AC-46386 - phosphoric-acid-for-hplc | 7664-38-2

<p>o-tolualdehyde was used in determination of alkenal-2,4-dinitrophenylhydrazones by HPLC by addition of phosphoric acid. It produces to give a single diastereomer of the tetrahydronaphthalene derivative under UV irradiation. This Thermo Scientific Chemicals brand product was originally part of the Al</p>

<p>Pidotimod Diketopiperazine is a test substance that is a phosphoric acid salt of pidotimod with a diketopiperazine group. Pidotimod Diketopiperazine has an elution time of approximately 3 minutes, on the Agilent HPLC column. It is soluble in water and has a pH of around 1.5-2.5. Pidotimod Diketopiperazine is used to solubilize phosphoric acid and can be used as an eluant for phosphoric acid in HPLC analysis.</p>

<p>Myo-inositol 1,2,3,4,6-pentakisphosphate is a compound that belongs to the group of myo-inositols. It can be isolated from rice bran or synthesized by reacting inositol with phosphoric acid. Myo-Inositol 1,2,3,4,6-pentakisphosphate has been shown to be an analog of myo-inositol and has a similar chromatographic profile. This compound also has the ability to dephosphorylate diacylglycerol (DAG) and reduce its levels in cells.<br>Myo-inositol 1,2,3,4,6-pentakisphosphate can be quantified by reversed phase high performance liquid chromatography (RP-HPLC). The result can then be used to calculate the concentration of DAG in cells based on the standard curve obtained from the quantification of DAG in</p>

<p>Vinylphosphonic acid, min. 90%</p>

Vinylphosphonic acid

<p>Vinylphosphonic acid is a white, crystalline solid that is soluble in water. It has a molecular weight of 114.08 and a melting point of 40-41°C. Vinylphosphonic acid can be used for the production of polyvinylidene fluoride (PVDF) films, as well as in acylation reactions to produce carboxylic acids. This compound has been shown to have a dispersive solid-phase extraction ability and binds to calcium ions. It also has electrochemical impedance spectroscopy properties, which are related to its acidic nature. Furthermore, vinylphosphonic acid has been found to form hydrogen bonds with human serum proteins and other polar molecules.</p>

N-(2,4-Dinitrophenyl)-L-Leucine is a hydrophobic compound that has been used in the analysis of phospholipids. It has a chromophore with an extended cavity and extensibility that allows it to bind to phosphoric acid solutions. This compound's fluorescence properties are not affected by changes in pH, which makes it suitable for use as an analytical method for determining the presence of phosphate ions in water samples. The solubility data and protonation state of this compound make it suitable for use as an antigen or substrate in sodium citrate buffer. N-(2,4-Dinitrophenyl)-L-Leucine can also be hydrolyzed by alkali and analyzed using high performance liquid chromatography (HPLC).

Cephazolin is a prodrug that is hydrolyzed in vivo to 7-amino-3-(1,2,3-triazol-4-ylthio)methyl cephalosporanic acid (7AATMC), its active form. Cephazolin is a broad spectrum antibiotic that is used for the treatment of bacterial infections. The sample solution of cephazolin can be prepared with phosphoric acid and sulbactam sodium. This solution needs to be monitored for impurities by RP-HPLC method. The impurities are detected by monitoring the elution time.

Dimethyl 2-benzylmalonate is a diazonium salt that is synthesized by the reaction of hydrochloric acid and malonic acid in water, followed by the addition of an alcohol. Diazonium salts can be used as coupling agents for organic synthesis reactions. Dimethyl 2-benzylmalonate has been shown to have a stereoselective profile, with activity against pancreatic lipase. Immobilization of this compound on silica gel has been shown to improve the performance of preparative high performance liquid chromatography (prep HPLC). Dimethyl 2-benzylmalonate undergoes hydrolysis to form acetic acid and methyl benzoate. This hydrolysis can be catalyzed by inorganic acids such as sulfuric or phosphoric acids. Acetylation is also possible, which will increase the solubility and stability of dimethyl 2-benzylmalonate. Desymmetrization

(R)-2-Amino-N-benzyl-3-methoxypropionamide is a chiral compound that has been prepared by the acylation of chiral 2,3-diaminopropanoic acid with an excess of (S)-lactaldehyde. This reaction was followed by hydrolysis to give the desired product in good yield. The impurity profile of the product was determined using HPLC, and it was found that the major impurity was its racemic form. This substance can be synthesized from (R)-phenylglycine and methylamine using phosphoric acid as a catalyst. The product can be deprotected with sodium borohydride to make it achiral. Lacosamide is an antiepileptic drug that is used to treat partial seizures and status epilepticus in adults and children aged 16 years or older. It also has been shown to have anxiolytic