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Analytical Chemistry

Standard

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Heptachlor

(76-44-8)
Formerly as insecticide for control of cotton boll weevil.

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Hydroxysafflor yellow A

(78281-02-4)
Hydroxysafflor yellow A is a flavonoid derived and isolated from traditional Chinese medicine Carthamus tinctorius L., possesses anti-tumor activity. IC50 value:Target: in vitro: HYSA could inhibit LPS-induced VSMCs proliferation and migration, accompanied by the downregulated levels of several key pro-inflammatory cytokines, including TNF-α, IL-6, and IL-8. We further showed that HYSA inhibited LPS-induced upregulation of TLR-4 expression as well as the activation of Rac1/Akt pathway [1

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Halofuginone hydrobromide

(64924-67-0)
Halogenated derivative of Febrifugine. Used as an antiprotozoal (coccidiostat).

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Haloperidol decanoate

(74050-97-8)
Haloperidol Decanoate is an antipsychotic and antidyskinetic agent.

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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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