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    Home > Analytical Chemistry > Standard (Find 2019 items)

    Standard

    Astaxanthin

    (472-61-7)
    Carotenoid pigment found mostly in animal organisms, but also occuring in plants; thought to be the precursor of astacin. Animal studies indicate that it reduces blood glucose and ameliorates several parameters of the diabetic metabolic syndrome. It improves blood flow and vascular tone in models of hypertension.

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    2-Methyl-4-Isothiazolin-3-One

    (2682-20-4)
    1. 2-Methyl-4-isothiazolin-3-one is a isothiazolinone based biocide and preservative used in personal care products. 2-Methyl-4-isothiazolin-3-one is also used for controlling microbial growth in water-containing solution.
    2. A potent biocide useful for controlling microbial growth

    Cisatracurium besylate

    (96946-42-8)
    Cisatracurium Besylate is a nondepolarizing neuromuscular blocking agent, antagonizing the action of acetylcholine by inhibiting neuromuscular transmission. An enantiomer of Atracurium Besylate (A794500). A neuromuscular blocking agent. It could be used in liver transplant patient with safety.

    Androstenedione

    (63-05-8)
    Δ4-Androstenedione (abbreviated as Δ4-dione), commonly referred to simply as androstenedione, and also known as androst-4-ene-3,17-dione or 17-ketotestosterone, is an endogenous androgen steroid hormone and intermediate in the biosynthesis of testosterone from dehydroepiandrosterone (DHEA). In turn, Δ4-dione is also a precursor of dihydrotestosterone (DHT), estrogens such as estradiol and estrone, and the neurosteroid 3α-androstanediol.

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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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