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Analytical Chemistry

Standard

2-Piperidinemethanamine

(22990-77-8)
2-Piperidinemethanamine is used in the synthesis of compounds exhibiting anti-osteoclast and anti-osteoblast activity. It also is used in the synthesis of potent antibacterial.

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Flumethasone pivalate

(2002-29-1)
topical anti-inflammatory corticosteroid

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Benzoic acid, 2-[[[[(4,6-dimethyl-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-, 3-oxetanyl ester

(144651-06-9)
Oxasulfuron (CGA 277476) was launched in 1996 by Syngenta as a pre-emergent and post-emergent herbicide. At application rates of 66–92 g a.i. ha−1, it provides greater than 80% control of A theophrasti, X. strumarium, Amaranthus spp., A. artemisiifolia, A. trifida, Bidens pilosa, Cyperus esculentus, Polygonum pensylvanicum, Sorghum bicolor, E. crus‐galli, Helianthus annuus, Sesbania exaltata, and Ipomoea spp. in soybeans. The observed selectivity is due to the compound’s rapid

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Piretanide

(55837-27-9)
High-ceiling loop diuretic; structurally related to Bumetanide (B689550). Diuretic.

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Solvent Yellow 34

(492-80-8)
Mainly used for dyeing vinegar fiber and cotton fabric, but also for coloring paper, leather, paint, etc.

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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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