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Home > Analytical Chemistry > Standard (Find 46 items)

Analytical Chemistry

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Elementary Substance

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Standard

Estradiol hemihydrate

(35380-71-3)

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Emedastine difumarate

(87233-62-3)
Antihistaminic, H1-receptor; asthma prophylactic; anti-allergic.

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Etridiazole

(2593-15-9)
Etridiazole is a contact fungicide with protective and curative action that is used to control Phytophthora and Pythium spp. in ornamentals, cotton, peanuts, vegetables and turf.

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Estradiol, dipropionate

(113-38-2)
estrogen

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Ethiprole

(181587-01-9)
Insecticide for chewing and sucking insects.

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Estradiol, 17-acetate

(1743-60-8)
Protected Estradiol.

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Ethyl β-D-glucuronide

(17685-04-0)
Off-White SolidChEBI: A beta-D-glucosiduronic acid that is the ethyl derivative of beta-D-glucuronic acid.

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EHIDA

(63245-28-3)
Diagnostic agent;Chelating agent

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ethyl 5-(forMylaMino)-1H-pyrazole-4-carboxylate

(31055-19-3)
An impurity of Allopurinol (A547300).

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Ethane-1,1,2,2-d4, 1,2-dibromo-

(22581-63-1)
Labelled Dibromoethane, a short-chain haloalkane isotope used to hepatotoxicity and hepatic DNA damage of 1,2-dibromoethane. Dibromoethane was shown to cause DNA single-strand breaks in isolated rat hepatocytes.

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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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