Lab Chemical-60

Malic acid is an organic compound with the molecular formula C₄H₆O₅. It is a dicarboxylic acid that is made by all living organisms, contributes to the sour taste of fruits, and is used as a food additive. Malic acid has two stereoisomeric forms, though only the L-isomer exists naturally.

Diphenylcarbazide (DPC) is a chemical compound from the group of carbazides. It has a similar structure as formula Diphenylcarbazone on and can be achieved by oxidation easily be converted into this.

Diphenylcarbazone Notes to Physician Ensure that eyewash stations and safety showers are close to the workstation location.

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Tryptophan affects brain serotonin synthesis when given orally in a purified form and is used to modify serotonin levels for research. Low brain serotonin level is induced by administration of tryptophan-poor protein in a technique called acute tryptophan depletion.

diethylenetriamine pentaacetic acid (DTPA) is the radiopharmaceutical used for the 

evaluation of glomerular filtration function. 

DTPA (Diethylenetriamine pentaacetate) is a medicine that can bind to radioactive plutonium, americium, and curium to decrease the amount of time it takes to get radioactive plutonium, americium, and curium out of the body.

Diethylenetriaminepentaacetic acid has been used:

for cofilin activity assay

Disulphine Blue injection is used as an aid in a procedure called lymphography (medical imaging procedure) to test how well your lymphatic system is working in certain parts of your body. It is a blue dye that works by staining the lymph nodes and lymph vessels. This creates a contrast between the lymph nodes and vessels and helps your doctor check for serious medical problems such as lymphedema, chyluria (lymph in the urine), chylous ascites (lymph in the stomach), chylothorax (lymph in the chest), cancer of the lymph nodes, or other problems of the lymphatic system.

Dimidium bromide is an inhibitor of L-cell growth. Dimidium Bromide is used as an intercalating probe for nucleic acids.

 The reaction involves the readily isolated intermediate iminochloride which undergoes facile cyclization only in presence of certain inorganic halide catalysts. The analogy to the Friedel-Crafts reaction is discussed.

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DMSO (Dimethyl Sulfoxide) is a polar, aprotic organic solvent that is commonly used as a cryoprotectant because of its membrane penetrating and water displacement properties. It is added to cell culture media to reduce ice formation and thereby prevent cell death during the freezing process.

The methyl groups of DMSO are only weakly acidic, with a pKa = 35. For this reason, the basicities of many weakly basic organic compounds have been examined.

Pentetic acid or diethylenetriaminepentaacetic acid (DTPA) is an aminopolycarboxylic acid consisting of a

diethylenetriamine backbone with five carboxymethyl groups. The molecule can be viewed as an expanded version of EDTA and is used similarly. 

It is a white solid with limited solubility in waterPentetic acid or diethylenetriaminepentaacetic acid (DTPA) is an aminopolycarboxylic acid consisting of a

dimethylformamide is (CH3)2NC(O)H and is abbreviated as DMF. It is a colorless liquid which dissolves in water and most of the organic chemicals. In its purest form it is odorless and with contamination or impurities it develops a fishy odor.

The dimethylformamide-dimethyl sulfate complex prepared above is transferred to the dropping funnel and added slowly.

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Natural tartaric acid is an organic acid present in some fruits and widely used in the food and wine industry. It is also used as an additive in certain foods such as baby milk, sweets, jams and fruit juices. Europe accounts for 86% of world production of natural tartaric acid, producing around 30 000 tonnes per year.