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Analytical Chemistry

Standard

BENZATHINE PENICILLINE G TETRAHYDRATE

(41372-02-5)
Applicable to mild or moderate infection diseases caused by penicillin-sensitive bacteria, such as pneumonia, scarlet fever, tonsillitis, otitis media, gonorrhea, etc.

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Potassium amminetrichloroplatinate

(13820-91-2)
Potassium Trichloroammineplatinate is the degradation product of Cisplatin (C499500), an antitumor compound which exhibits mutagenic activity.

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N,N-Dimethylmelamine

(1985-46-2)
N-Demethylated metabolite of Altretamine (A575765) with antitumor activity. It is used as a chemosterilant for insects, particularly houseflies.

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Imidocarb hydrochloride

(5318-76-3)
Antiprotozoal (Babesia). Imidocarb dihydrochloride, the most effective drug against anaplasmosis, is reported to be curative in a single dosage if given early in the infection during the rise in parasitemia. Multiple doses are required if the animals are treated at a later stage or if a relapse occurs.

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Aflatoxin G1

(1165-39-5)
Aflatoxin G1 is the major analogue of the green fluorescent family of bisfuranocoumarin mycotoxins produced by Aspergillus flavus and related species. Aflatoxins are one of the most potent mycotoxins known but are in fact "pre-toxins", requiring metabolic activation to the toxic principle. Aflatoxins are found widely in nature in trace amounts, particularly in grains and nuts. The toxicity of these metabolites was first recognised in the 1950s and their structures elucidated in 1963. Aflatoxins

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21-Deoxycortisol

(641-77-0)
A metabolite of Fluticasone propionate (F599500).

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Chloramphenicol sodium succinate

(982-57-0)
Chloramphenicol succinate sodium is the salt prepared from chloramphenicol succinate using the free carboxylic acid of the succinate which ionises and readily forms in weak sodium hydroxide solutions. The sodium salt is the preferred formulation for pharmaceutical applications, providing a more readily soluble product. Chloramphenicol succinate is significantly less active than chloramphenicol but acts as a prodrug, forming chloramphenicol in the presence of succinate dehydrogenase.

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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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