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Home > Analytical Chemistry > Standard (Find 140 items)

Analytical Chemistry

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Standard

Cefprozil IMpurity C

(147103-93-3)

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CefuroxiMe Axetil iMpurity C

(76598-06-6)

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CHLORBENSIDSULFOXIDEPESTANAL100MG

(7047-28-1)

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cis-Mevinphos

(298-01-1)
Pale-yellow to orange liquid with a weak odor. [Note: Insecticide that may be absorbed on a dry carrier.]

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Cyflufenamid

(180409-60-3)
ChEBI: A member of the class of (trifluoromethyl)benzenes that is 2,3-difluoro-6-(trifluoromethyl)benzenecarboxamidine in which the hydrogen attached to the imino nitrogen is replaced by a cyclopropylmethoxy group while one of the hydrogens attached to the other itrogen is replaced by a phenylacetyl group. It is used as a fungicide for the control of powdery mildew in cereal crops as well as in apple and pear orchards.

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Cylindrospermopsin

(143545-90-8)
ChEBI: A triazaacenaphthylene that is 2,2a,3,4,5,5a,6,7-octahydro-1H-1,8,8b-triazaacenaphthylene which is substituted at positions 3, 4, and 7 by methyl, sulfooxy, and (2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)(hydroxy)methyl groups, respecti ely (the 2aS,3R,4S,5aS,7R stereoisomer in which the carbon bearing the hydroxy group has R configuration). It is a cyanotoxin produced by several species f freshwater cyanobacteria, such as Aphanizomenon ovalisporum.

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CIS-12-OCTADECENOICACIDMETHYLESTER

(2733-86-0)

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Cyclopentylalbendazole

(77723-30-9)

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Cyclopentylalbendazole sulfoxide

(131454-43-8)

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Chlorthiophos I

(21923-23-9)
It has contact contact with pests and is used to control underground pests. Preparations are granules.

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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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