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Home > Analytical Chemistry > Standard (Find 1884 items)

Analytical Chemistry

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Elementary Substance

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Standard

Sodium cacodylate trihydrate

(6131-99-3)
white crystalline powder or crystals Sodium cacodylate is a white crystalline solid which occurs as the trihydrate. It liquefies in the water of hydration @ 60°C and becomes anhydrous @ 120°C.

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5-Methoxytryptophol

(712-09-4)
5-Methoxytryptophol is a natural indole present in the pineal gland.

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O-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE

(1773-44-0)

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Diisopropyl hydrazodicarboxylate

(19740-72-8)

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Rebaudioside B

(58543-17-2)
Rebaudioside B is the minor constituent isolated from the leaves of Stevia rebaudiana Bertoni. Rebaudioside B tastes about 150 times sweeter than sucrose [1].

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Pyributicarb

(88678-67-5)
Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR).

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AZOMETHIN-H MONOSODIUM SALT HYDRATE

(206752-32-1)

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MICROCYSTIN-LR

(101043-37-2)
Microcystin-LR is a potent inhibitor of type 1 and type 2A protein phosphatases (PP1 and PP2A), with IC50s of 1.7 nM and 0.04 nM, respectively. Sequence: Ala-D-Ala-Leu-D-{Bas}-Arg-{Oaa}-D-{Ggu}.

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4-(2-PYRIDYLAZO)RESORCINOL MONOSODIUM SALT HYDRATE

(16593-81-0)
deep brown powder

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Protriptyline hydrochloride

(1225-55-4)
Protriptyline is a tricyclic antidepressant (TCA), specifically a secondary amine, for the treatment of depression and ADHD. Unique among the TCAs, protriptyline tends to be energizing instead of sedating, used for narcolepsy to achieve a wakefulness-promoting effect.

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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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