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Home > Analytical Chemistry > Standard (Find 165 items)

Analytical Chemistry

Standard

2,5-Diphenyloxazole

(92-71-7)
Used as engineering plastics, used in industrial sectors such as electronics, electrical appliances, textile, machinery, instrumentation, etc.

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2-Chlorothioxanthone

(86-39-5)
Used as the intermediate of the drug chloroprothix

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2-Methoxy-5-methylaniline

(120-71-8)
p-Cresidine is a reagent used in the preparation of enaminones acting as anticonvulsants. Also used in the preparation of crescent oligoamides.

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2-Aminobenzimidazole

(934-32-7)
2-Aminobenzimidazole was used in the hydrolysis of a choline carbonate. It was also used in the synthesis of imidazo[1,2-a]benzimidazoles

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25-Hydroxyvitamin D

(21343-40-8)
A metabolite of Vitamin D2 (V676040).

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2,4,6-Tribromoanisole

(607-99-8)
2,4,6-Tribromoanisole is haloanisole often present in wine. 2,4,6-Tribromoanisole is one of the main agent responsible for the musty odor in wine sample

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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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