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Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. | |
BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services. | |
BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies. | |
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CODE109949 CODE109949 | |
Product(s): | |
25322-68-3 Poly(ethylene glycol) 99% |
Human Chemistry | |
ECSA Chemicals has been active since 1913 in the trading and international commerce of raw materials. With an organisation divided into industrial segments managed by specialists, it has become one of the largest distributors worldwide. | |
ECSA Chemicals is the largest Swiss-owned company in terms of warehouses for the distribution of chemical products. We have been distributing chemical products for over 100 years and we have a special interest in protecting the environment and in the safety of our facilities and collaborators. | |
Established in 1913 as a small grocery store, in its over 100 years of activity ECSA Chemicals has become one of the most important Swiss-owned distributors of chemical products. The company, which is active in international distribution and trading, is organised into industrial segments that are managed by teams of specialists and experts. They guarantee professional and customised consultancy and services. With our experience, we can rapidly and safely connect you with the best suppliers on the market, providing you with a complete search, consulting and assistance service. The focus of our approach and operations is you, our customers. We strive every day to find the best products that satisfy your needs as quickly as possible. Your satisfaction is our greatest success. WHY CHOOSE ECSA? EXPERIENCE We have been working for 100 years. QUALITY We have obtained many certifications (ISO, SQAS, GDP, Responsible Care, Bio-Inspecta, RSPO, etc.). We guarantee full compliance with the current laws and continuous training for our staff. SAFETY We constantly carry out risk analyses for each infrastructure, defining safety levels and implementing corrective measures promptly wherever they are needed. WIDESPREAD DISTRIBUTION We have warehouses in strategic locations to supply goods to Switzerland and to the rest of the world. STORAGE CAPACITY The 3 ECSA-owned warehouses guarantee considerable storage area and capacity in each warehouse, with full availability of products (base chemicals and speciality chemicals). SPEED Presence all over the country, staff dedicated to sourcing raw materials and considerable storage capacity guarantee that goods are rapidly obtained and supplied. CONSULTANCY Our specialists - in-depth knowledge of the market and products allows us to provide full consulting services, from the purchase to the supply of raw materials. | |
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CODE109949 CODE109949 | |
Product(s): | |
MP-001691 POLYETHYLENEGLYCOL 9000 FLAKES | |
MP-018572 POLYETHYLENEGLYCOL 400 TEC. |
Chemistry innovation | |
At Penta, our products and services help businesses do business better. | |
For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes. | |
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CODE109949 CODE109949 | |
Product(s): | |
16-60005 POLYETHYLENE GLYCOL 200 | |
16-60015 POLYETHYLENE GLYCOL 400 NF | |
16-60020 POLYETHYLENE GLYCOL 8000 FLAKES NF | |
16-60000 POLYETHYLENE GLYCOL 1000 NF | |
16-60007 POLYETHYLENE GLYCOL 300 NF | |
16-60016 POLYETHYLENE GLYCOL 600 USP/NF/FCC |
Category:multipurpose additives
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Notes: a tasteless laxative composed of peg3350; miralax is tradename. polymers of ethylene oxide and water and their ethers. they vary in consistency from liquid to solid, depending on the molecular weight, indicated by a number following the name. they are used as surfactants, dispersing agents, solvents, ointment and suppository bases, vehicles, and tablet excipients. some specific groups are lauromagrogols, nonoxynols, octoxynols and poloxamers. Diluent in colour additive mixts. for colouring shell eggs; coating, binder, plasticising agent and/or lubricant in tablets used for food; adjuvant to improve flavour and as a bodying agent in non-nutritive sweeteners; adjuvant in dispersing vitamin preparations; defoaming agent; boiler-water additive, etc.
Depending on the catalyst type, the mechanism of polymerization can be cationic or anionic. The anionic mechanism is preferable because it allows one to obtain PEG with a low polydispersity. Polymerization of ethylene oxide is an exothermic process. Overheating or contaminating ethylene oxide with catalysts such as alkalis or metal oxides can lead to runaway polymerization which can end with an explosion after few hours.; PEG is a popular precipitant for protein crystallization, X-ray diffraction of protein crystals can reveal the atomic structure of proteins.; PEG is traditionally also one of the main ingredients in Paintball fill because it is thick and flexible. However, as early as 2006, some Paintball manufacturers have been substituting PEG with cheaper alternatives.; PEGylation is the act of covalently coupling a PEG structure to another larger molecule, for example, a therapeutic protein (which is then referred to as PEGylated). PEGylated interferon alfa-2a or -2b is a commonly used injectable treatment for Hepatitis C infection.; Poly(ethylene glycol) (PEG), also known as poly(ethylene oxide) (PEO) or polyoxyethylene (POE), is the most commercially important type of polyether. PEG, PEO or POE refers to an oligomer or polymer of ethylene oxide. The three names are chemically synonymous, but historically PEG has tended to refer to oligomers and polymers with a molecular mass below 20,000 g/mol, PEO to polymers with a molecular mass above 20,000 g/mol, and POE to a polymer of any molecular mass. PEG and PEO are liquids or low-melting solids, depending on their molecular weights. PEGs are prepared by polymerization of ethylene oxide and are commercially available over a wide range of molecular weights from 300 g/mol to 10,000,000 g/mol. While PEG and PEO with different molecular weights find use in different applications and have different physical properties (e.g. viscosity) due to chain length effects, their chemical properties are nearly identical. Different forms of PEG are also available dependent on the initiator used for the polymerization process. The most common of which is a monofunctional methyl ether PEG (methoxypoly(ethylene glycol)), abbreviated mPEG. PEGs are also available with different geometries. Branched PEGs have 3 to 10 PEG chains emanating from a central core group. Star PEGs have 10 - 100 PEG chains emanating from a central core group. Comb PEGs have multiple PEG chains normally grafted to a polymer backbone.; Polyethylene glycol has a low toxicity and is used in a variety of products. It is the basis of a number of laxatives (e.g. macrogol-containing products such as Movicol and polyethylene glycol 3350, or SoftLax, MiraLax or GlycoLax). It is the basis of many skin creams, as cetomacrogol, and sexual lubricants, frequently combined with glycerin. Whole bowel irrigation (polyethylene glycol with added electrolytes) is used for bowel preparation before surgery or colonoscopy and drug overdoses. It is sold under the brand names GoLYTELY, NuLytely, GlycoLax, Fortrans, TriLyte, Colyte, Halflytely, MiraLAX, Softlax and MoviPrep. When attached to various protein medications, polyethylene glycol allows a slowed clearance of the carried protein from the blood. This makes for a longer acting medicinal effect and reduces toxicity, and it allows longer dosing intervals. Examples include PEG-interferon alpha, which is used to treat hepatitis C, and PEG-filgrastim (Neulasta), which is used to treat neutropenia. It has been shown that polyethylene glycol can improve healing of spinal injuries in dogs. One of the earlier findings that polyethylene glycol can aid in nerve repair came from the University of Texas (Krause and Bittner). Polyethylene glycol is commonly used to fuse B-cells with myeloma cells in monoclonal antibody production. PEG has recently been proved to give better results in constipation patients than tegaserod.; Since PEG is a flexible, water-soluble polymer, it can be used to create very high osmotic pressures (tens of atmospheres). It also is unlikely to have specific interactions with biological chemicals. These properties make PEG one of the most useful molecules for applying osmotic pressure in biochemistry experiments, particularly when using the osmotic stress technique.[citation needed]
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