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Home > Analytical Chemistry > Standard (Find 46 items)

Analytical Chemistry

Standard

Eprinomectin

(123997-26-2)
A mixture of Eprinomectin B1a and B1b showing anti-anthelintic activity

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Ethylhexyl triazone

(88122-99-0)
ethylhexyl triazone is the InCI name for octyltriazone. It is a uV filter and absorber. Clinical studies show high photostability and very high uVB-absorption capacity, particularly when compared to other popular uV filters. Studies also indicate that even low concentrations of ethylhexyltriazone in a sun care preparation can contribute significantly to the final product’s SPF. It appears to perform particularly well in synergy with zinc oxide.

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EGTA

(67-42-5)
EGTA (ethylene glycol-bis(β-aminoethyl ether)-N,N,N',N'-tetraacetic acid) is an aminopolycarboxylic acid, a chelating agent. It is a colourless solid that is related to the better known EDTA. Compared to EDTA, it has a lower affinity for magnesium, making it more selective for calcium ions. It is useful in buffer solutions that resemble the environment in living cells where calcium ions are usually at least a thousandfold less concentrated than magnesium.The pKa for binding of calcium ions by te

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Epoxiconazole

(133855-98-8)
Epoxiconazole is a fungicide used to inhibit the metabolism and growth of mycelia.

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Enteropeptidase

(9014-74-8)
Properties: Sterilized liquid. Recombinant use: biochemical research. It is a serine protease, which can efficiently and specifically hydrolyze the fusion protein expressed by the engineering bacteria (the recognition sequence is -(Asp)4Lys↓--) to release the target protein. Enterokinase is widely used in the development of genetic engineering products because of its high specificity and high hydrolysis efficiency; it can be used as a substrate for protease to specifically recognize and cleave e

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Etofylline

(519-37-9)
An inhibitor of 3’,5’-Cyclic Nucleotide Phosphodiesterase.Therapeutically, this compound has diuretic, muscle relaxant, bronchial dilation and CNS stimulant activities.

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In the analysis work, it is often necessary to use a compound of good quality and accurate content, which is used as a comparison for detection control, or used to calibrate the instrument. This compound is called a standard. Or standard. The standard product refers to the standard substance used to determine the potency of biological products. The production department must provide the standard product expressed in units (μ) of its potency when it is approved as a quality standard for biological products. According to the application, the standard products for inspection can be divided into biological standard products for biological verification of biological products, endocrine drugs, antibiotics and so on.
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