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Home > Analytical Chemistry > Standard (Find 82 items)

Analytical Chemistry

Standard

4-Nitro-2-phenoxyaniline

(5422-92-4)
4-Nitro-2-phenoxyaniline has been shown to have good AT1 Angiotension Receptor Antagonist activity when combined with Schiff bases.

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4-DesMethyl-3-Methyl Celecoxib

(170570-01-1)
A meta positional isomer of Celecoxib (C251000) with selective inhibitory activity against human cyclooxygenase-2.

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4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine

(570407-42-0)

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4-Methylchrysene

(3351-30-2)
4-Methylchrysene is one of the methylated chrysenes (MeChry), as an aryl hydrocarbon receptor (AhR) agonist. Methylated chrysenes (MeChry) are important cigarette smoke constituents and 5-MeChry has been listed as possibly carcinogenic to humans. 4-Methylchrysene is a possible carcinogenic agent.

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4-m-Tolyl-2H-pyrido(4,3-E)(1,2,4)thiadiazin-3(4H)-one 1,1-dioxide

(72810-61-8)

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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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