Our aerosol products include Spray Paints, Car Care Products, tyre care and repair, and industrial-purpose products. People are the base, customers are the first and the quality of the products is the life line to the entire company. Providing better product quality and excellent service, and continuously driving our company towards a healthy development are our tenets.
History[ edit ] The term "fine chemicals" was in use as early as  The emergence of the fine chemical industry as a distinct entity dates back to the late s, when the overwhelming success of the histamine H2 receptor antagonists Tagamet cimetidine and Zantac ranitidine hydrochloride created a strong demand for advanced organic chemicals used in their manufacturing processes.
LonzaSwitzerland, which already had supplied an early intermediate, methyl acetoacetate, during drug development, soon became the main supplier of more and more advanced precursors. Other pharmaceutical and agrochemical companies gradually followed suit and also started outsourcing the procurement of fine chemicals.
An example in case is F. For many years, however, the life science industry continued considering captive production of the active ingredients of their drugs and agrochemicals as a core competency. Outsourcing was recurred to only in exceptional cases, such as capacity shortfalls, processes requiring hazardous chemistry or new products, where uncertainties existed about the chance of a successful launch.
Products[ edit ] In terms of molecular structure, one distinguishes first between low-molecular-weight LMW and high-molecular-weight HMW products.
LMW fine chemicals, also designated as small molecules, are produced by traditional chemical synthesis, by microorganisms fermentation or biotransformationor by extraction from plants and animals. In the production of modern life science products, total synthesis from petrochemicals prevails.
The HMW products, respectively large molecules, are obtained mainly through biotechnology processes. Small molecules[ edit ] As aromatic compounds have been exhausted to a large extent as building blocks for life science products, N-heterocyclic structures prevail nowadays.
They are found in many natural products, such as chlorophyll; hemoglobin; and the vitamins biotinfolic acidniacin PPpyridoxine vitamin B6riboflavin vitamin B2and thiamine vitamin B1. In synthetic life science products, N-heterocyclic moieties are widely diffuses both pharmaceuticals and agrochemicals.
Arsenal imazapyr and pharmaceuticals, e. Candesartan cilexetil candesartanAvapro irbesartanCozaar losartan and Diovan valsartan. Chemical Structure of Diovan valsartan A vast array of pharmaceuticals and agrochemicals are based on pyrimidinessuch as Vitamin B1 thiaminethe sulfonamide antibiotics, e.
Madribon sulfadimethoxime and —half a century later— the sulfonyl urea herbicides, e. Eagle amidosulfuron and Londax bensulfuron-methyl. Benzodiazepine derivatives are the pivotal structural elements of breakthrough CNS drugssuch as Librium chlordiazepoxide and Valium diazepam.
Pyridine derivatives are found in both well-known Diquat and Chlorpyrifos herbicides, and in modern nicotinoid insecticides, such as Imidacloprid. Even modern pigmentssuch as diphenylpyrazolopyrazoles, quinacridones, and engineering plastics, such as polybenzimidazoles, polyimides, and triazine resins, exhibit an N-heterocyclic structure.
Big molecules[ edit ] Big molecules, also called high molecular weight, HMW molecules, are mostly oligomers or polymers of small molecules or chains of amino acids. Thus, within pharma sciences, peptidesproteins and oligonucleotides constitute the major categories. Peptides and proteins are oligomers or polycondensates of amino acids linked together by a carboxamide group.
Because of their unique biological functions, a significant and growing part of new drug discovery and development is focused on this class of biomolecules. Their biological functions are determined by the exact arrangement or sequence of different amino acids in their makeup.
However, only a small part of the total amino acid production is used for peptide synthesis. In fact, L-glutamic acidD, L-methionineL-aspartic acid and L-phenylalanine are used in large quantities as food and feed additives.
About 50 peptide drugs are commercialized. The number of amino acids that make up a specific peptide varies widely.Company Profile. Company Overview; Company Capability. Business Performance Additional Information.
Contacts. Home > Company Profile. Ningbo Fine Source Imp & Exp Co., Ltd. grupobittia.com Fine Source Imp &Exp Co.,ltd which was established in 2. we are one of the leading manufactures for Household products in Ningbo industry 3.
Form I-9 Inspection Process The administrative inspection process is initiated by the service of a Notice of Inspection (NOI) upon an employer compelling the production of Forms I By law, employers are provided with at least three business days to produce the Forms I Changzhou Comwin Fine Chemicals Co., Ltd.
is a member of Comwin International Company Limited. ComWin Fine Chemicals, founded in , is located in Changzhou City, a beautiful historical and cultural city with a thousand years' history.
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