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Home > Analytical Chemistry > Standard (Find 1892 items)

Analytical Chemistry

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Elementary Substance

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Standard

N-Nitrosopyrrolidine

(930-55-2)
One of the N-nitroso compounds (NOCs) implicated in human colon carcinogenesis, but the toxicological mechanisms involved have not been elucidated.

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2-tert-Butyl-4-hydroxyanisole

(88-32-4)
2-tert-Butyl-4-hydroxyanisole shows insecticidal activity.

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N-(2-Carboxyethyl)iminodiacetic acid

(6245-75-6)
Complexing agent, its biodegradability is far superior to EDTA

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3-Mercaptoisobutyric acid

(26473-47-2)
A usefule synthetic intermediate

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2,6-Diisopropyl-1,4-benzoquinone

(1988-11-0)
Propofol (P829750) impurity.

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1H-Pyrrole-1-heptanoic acid, 2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-, calcium salt (2:1), (βS,δS)-

(1105067-88-6)
Impuritiy of Atorvaststin (A791750), a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.

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1-[2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-1-yl]ethanone

(173532-15-5)
N-Acetyl Tizanidine, is a derivative of Tizanidine (T449500), an α2-adrenergic agonist, a centrally active myotonolytic, and a muscle relaxant (skeletal).

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Captopril disulfide

(64806-05-9)
A metabolite of Captopril. A new antihypertensive agent

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Colestipol hydrochloride

(37296-80-3)
Antihyperlipidemic.

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Verruculogen

(12771-72-1)
Verruculogen is a tremorgenic mycotoxin isolated from species of Penicillium, Aspergillus, and other fungi. It selectively inhibits the activation of Maxi-K potassium channels by charybdotoxin with a K1/2 value of 170 nM. Verruculogen also promotes the release of excitatory neurotransmitters when injected directly into the brain of rats and, at high doses, arrests mouse mammary carcinoma cells in M phase of the cell cycle (MIC = 12.2 μM).[Cayman Chemical]

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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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