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Pharmaceutical intermediates are intermediate chemicals produced during the synthesis of chemical drugs. Their upstream industry is the basic chemical raw material manufacturing industry, and their downstream industry is the chemical pharmaceutical raw material and preparation manufacturing industry. The quality requirements for pharmaceutical intermediates are extremely high, especially the control of impurities, which directly affects the quality and safety of active drugs.
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Indazole
Indazole is an organic compound with the chemical formula C7H6N2. It is a white, needle-like crystal, readily soluble in dilute acids, and soluble in alcohols, ethers, and hot water. It is an organic synthesis intermediate, and many of its derivatives possess pharmaceutical activity.
pyran
Piperan is a tetrahydropyran derivative. It is more sensitive to acidic substances but relatively stable to basic substances. Piperan is mainly used as an intermediate in organic synthesis and a basic raw material for pharmaceutical molecules. It can be used for the preparation and structural modification of tetrahydropyran-based functional organic molecules.
Propylene Oxide
Propylene oxide is derived from propylene oxide and is an organic material containing two or more hydroxyl groups (OH). Some polyether varieties contain micron-sized polymer particles suspended in the air.
Piperazine
Piperazine is an important pharmaceutical intermediate, suitable for use as an intermediate in various pharmaceuticals, polymers, dyes, corrosion inhibitors, rubber accelerators, and surfactants.
Cyclopentane
Cyclopentane (CP) is a cycloalkanes and a flammable liquid with wide industrial applications. It can be used as a solvent in the pharmaceutical and chemical industries, or as a raw material in the synthesis of polymers such as polycyclopentene.
Azetidine
Nitrogen (hetero)cyclobutanes can be used for high-yield palladium-catalyzed cross-coupling reactions with aryl bromides and Ullmann-type coupling reactions with iodonitro cations. We offer over 1,000 high-purity nitrogen (hetero)cyclobutane products. Welcome to use our one-stop product platform to select the right product for you online.
Pyridine
The electronic structure of pyridine endows it with unique chemical properties, particularly in organic synthesis. Its aromaticity enables it to undergo typical aromatic chemical reactions such as electron nucleophilic substitution reactions. It can act as a nucleophile and ligand, participating in a wide variety of organic reactions.
Quinazoline
Quinazoline, as a common fused heterocyclic backbone, is an important structural unit in many pharmaceutical and agricultural molecules. Quinazoline derivatives possess a variety of biological activities, such as anticancer, anti-inflammatory, analgesic, anti-allergic, and antihypertensive activities. In addition, many quinazoline derivatives also exhibit excellent photophysical properties and can be used as fluorescent probes, bioimaging reagents, and luminescent materials.
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With extensive experience in the research and development and production of pharmaceutical intermediates, and a broad customer base in the global pharmaceutical industry, Howei strives to provide customers with high-quality products and services through a combination of in-house research and development and contract outsourcing.
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