Browse 961 Chemical Products and Raw Materials
Levamisole Phosphate
Levamisole Phosphate, also known as Levamisole HCl phosphate, is an antiparasitic drug that is widely used in the veterinary field. It belongs to the group of imidazothiazole derivatives and has a broad spectrum of activity against various types of parasites including roundworms, tapeworms, and hookworms.
Levetiracetam API
Levetiracetam is used as Adjuvant therapy drug for adult patients' partial or secondarily generalized seizure epilepsy.
Levofloxacin
Levofloxacin is a broad-spectrum antibiotic of the fluoroquinolone medicine class, and the levo isomer of its predecessor ofloxacin.Levofloxacin is used to treat infections including: respiratory tract infections, cellulitis, urinary tract infections, prostatitis, anthrax, endocarditis, meningitis, pelvic inflammatory disease, traveler's diarrhea, tuberculosis and plague.
Lidocaine
Lidocaine is a first-line drug for the treatment of ventricular arrhythmias caused by acute and severe hemodynamic abnormalities. For some supraventricular arrhythmias, such as bypass-mediated supraventricular tachycardia and acute onset or parasympathetic nerve-mediated cardioversion of atrial fibrillation is also effective. It is widely used for mucosal surface anesthesia (such as before tracheal intubation).
Linifanib
Linifanib (ABT-869) is a structurally novel, potent inhibitor of receptor tyrosine kinases (RTK), vascular endothelial growth factor (VEGF) andplatelet-derived growth factor (PDGF) with IC50 of 0.2, 2, 4, and 7 nM for human endothelial cells, PDGF receptor beta (PDGFR-β), KDR, and colony stimulating factor 1 receptor (CSF-1R), respectively. It has much less activity (IC50s > 1 μM) against unrelated RTKs, soluble tyrosine kinases, or serine/threonine kinases. In vivo linifanib is effective orally in mechanism-based murine models of VEGF-induced uterine edema (ED50 = 0.5 mg/kg) and corneal angiogenesis (>50%inhibition, 15 mg/kg).
Lisinopril
Lisinopril is the third generation of angiotensin converting enzyme inhibitor. It is enalaprilat lysine derivatives and was used to treat high blood pressure in the US from 1987 as the first-line therapy for anti hypertension medicine.The harmacological action characteristics is similar to enalaprilat (Enalapril), it works fast and the effect time is long.
Lithium Hexafluorophosphate
White crystal or powder, relative density 1.50, strong deliquescent; easily soluble in water, but also soluble in low-concentration methanol, ethanol, propanol, carbonate and other organic solvents. Decomposes when exposed to air or heated. It is mainly used for lithium-ion power batteries, lithium-ion energy storage batteries and other daily-use batteries. It is also an irreplaceable electrolyte for lithium-ion batteries in the near and mid-term.
Lithium Hydroxide
Lithium hydroxide is mainly consumed for the production of lithium greases. A popular lithium grease is lithium stearate, which is a general-purpose lubricating grease due to its high resistance to water and usefulness at both high and low temperatures. It is also used as a heat transfer medium and as a storage-battery electrolyte.
Lithopone
Lithopone is a white crystalline powder. It is a mixture of zinc sulfide and barium sulfate. The more zinc sulfide it contains, the stronger the covering power and the higher the quality. The density is 4.136-4.34g/cm3, insoluble in water. In case of acid, it is easy to decompose to produce hydrogen sulfide gas, which will not work in case of hydrogen sulfide and alkali solution. When exposed to ultraviolet light in the sun for 6-7 hours, it turns light gray, and it still returns to its original color when placed in the dark. It is easy to oxidize in the air and agglomerate and deteriorate after being affected with moisture.
Lomefloxacin
Lomefloxacin belong fluoroquinolones, in vitro antibacterial activity similar with norfloxacin, ciprofloxacin compared with slightly worse, but its in vivo antibacterial activity, including the role of Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Staphylococcus aureus are much better than norfloxacin.
Losartan Potassium
Losartan potassium is a new type of non peptide angiotensin Ⅱ (AT1) receptor antagonist, Losartan potassium has good antihypertensive effect and protect the heart, kidney, brain, the walls of blood vessels and the reversal of myocardial hypertrophy, platoon sodium diuresis and promote uric acid excretion.Low incidence of adverse reactions, the patient can tolerate well.
Lufenuron
It is mainly used for killing cat and dog in animal health.
Luminol
Yellow crystalline powder. Easily soluble in lye, soluble in dilute acid, almost insoluble in water, and insoluble in alcohol. Neutral or slightly acidic solutions exhibit strong bright blue fluorescence when exposed to ultraviolet light. For chemiluminescence analysis, such as: metal cations, blood and glucocorticoids. By 3-nitrophthalic acid by cyclization, derived from reduction. 3-Nitrophthalic acid was added to 8% aqueous hydrazine solution, and the solid was dissolved by heating. Add ethylene glycol, evaporate the excess water in the solution in an evaporator, heat at 215-220°C for 2min, Chemicalbook closes the heterocyclic ring, and cools to obtain a yellow nitro compound. Cool, add 10% sodium hydroxide solution, stir, add sodium dithionate, heat to boiling, keep the temperature for 5 min, add acetic acid again, and cool to obtain a bright yellow product. After standing overnight, the product was obtained by filtration.
M-Toluic Acid
M-Toluic Acid, (IUPAC: 3-methylbenzoic acid), is an aromatic carboxylic acid, with formula (CH3)C6H4(COOH). It is an isomer of p-toluic acid and o-toluic acid. It serves, among other purposes, as a precursor to DEET (N,N-diethyl-m-toluamide), the well-known insect repellent.
METHOXYFENOZIDE
Diarylhydrazide insect growth regulators and ecdysone insecticides interfere with the normal growth and development of insects and inhibit their feeding. It is mainly used for the functions of vegetables and farmland to control Lepidoptera pests on vegetables (melons, eggplants and fruits), apples, corn, cotton, grapes, kiwifruit, walnuts, flowers, beets, tea and field crops (rice, sorghum, soybeans). Especially for larvae and eggs. It is safe for beneficial insects and mites, with contact killing, root inhaling and other activities. Environmentally friendly. The recommended dosage is 20-30g active ingredient / hm2.
MMT
At present, most refineries in China use CMT to replace tetraethyl lead, but the solubility of CMT in gasoline is relatively small, which limits its use. MMT overcomes the shortcomings of CMT. The MMT used in China now mainly depends on import, so the development of new synthesis process of MMT can greatly promote the use of unleaded gasoline in China and save a lot of foreign exchange for the country.
MTBE
It is a kind of gasoline additive with high octane number. Its chemical oxygen content is much lower than that of methanol, which is good for warm-up and fuel saving. Its latent heat of evaporation is low, and it is good for cold start. It is commonly used in the blending of unleaded gasoline and low lead oil. It can also be re cracked to isobutylene as raw material of rubber and other chemical products. The best quality methyl tert butyl ether, which can be used as medicine, is a medicine intermediate. Commonly known as "medical MTBE" or "medical MTBE". The toxicity and danger of MTBE should also be paid attention to in the process of storage and use.
Madubamycin Ammonium
Maduramicin ammonium salt as a coccidiostat of reactor type Eimeria (Ehrlich), Brinell Ehrlich, Ehrlich giant, gentle Ehrlich, Ehrlich displacement, soft Ehrlich and Ehrlich toxic bacteria They are effective for most Gram-positive bacteria also inhibited. Can be used for chicken feed, the amount of 5 (500 × 104U) g / t, laying off, withdrawal of 5-7 days; inhibit the growth of the amount is more than 6g / t, mixed with other medicine should be cautious.
Magenta
Yellow-green flashing crystalline lump or sand. Soluble in cold and hot water, it is reddish purple, and easily soluble in alcohol, it is red. In case of concentrated sulfuric acid, it is yellow-brown, almost colorless after dilution. Its aqueous solution and sodium hydroxide solution are almost colorless liquid with red precipitate. For the preparation of Schiff’s reagent to detect aldehydes, for the determination of some acid ions and metal ions by extraction photometry. Also used for photometric detection of bromine, nitrite and sulfur dioxide. Used as a maximal inhibitor in polarographic analysis. It is also used as a nuclear dye for biochemical analysis. It is the strongest nuclear dye. It can stain mucin, elastic tissue and fuchsin granules, and nuclear staining of the central nervous system. It is used to identify Mycobacterium tuberculosis in bacteriology, and it is formulated in analytical chemistry. Schiff’s reagent tests for aldehydes. Redox indicator for titration with bromate.
Magnesium Acetate Tetrahydrate
Colorless crystal, easy to deliquesce. Soluble in water and alcohol. It is used for feed additive and cosmetics; preparation of uranyl magnesium acetate for determination of sodium; used for medicine, industry, deodorization, sterilization, preservative, textile dyeing, eosin dyeing, aniline black fixation and other purposes.
Magnesium Sulfate
Magnesium Sulfate is a common pharmaceutical preparation of magnesium, commonly known as Epsom salts, used both externally and internally. Epsom salts are used as bath salts. The sulfate is supplied in a gel preparation for topical application in treating aches and pains. Oral magnesium sulfate is commonly used as a saline laxative or osmotic purgative. Magnesium sulfate is the main preparation of intravenous magnesium.
Maleic Anhydride
Maleic anhydride, also known as maleic anhydride, maleic anhydride and dehydrated malic anhydride, is an important basic raw material of unsaturated organic anhydrides. It is used to synthesize diethyl maleate, 1-phenyl-3, 6-dihydroxypyridazine, intermediate of pyridazinon, intermediate of malathion, and intermediate of pyrethroid, fungicide and captan in pesticide production In addition, it is also used in the production of unsaturated polyester resin, ink additives, paper additives, coatings, pharmaceutical industry, food industry, etc.
Malonic Acid
Malonic acid is also known as methane dicarboxylic acid, carrot acid, malic acid, and beet acid. There are 3 crystal types, two of which are triclinic crystal system and one is monoclinic crystal system. Those crystallized from ethanol are white crystals of triclinic system. The relative molecular mass is 104.06. The relative density is 1.631 (15°C). The melting point is 135.6°C. It is decomposed into acetic acid and carbon dioxide at 140°C. It does not decompose under the vacuum of 1.067×103 ～ 1.333×103Pa, but directly sublimates. Insoluble in benzene, soluble in water 61.1 (0℃), 73.5 (20℃), 92.6 (50℃), ethanol 57 (20℃), ether 5.7 (20℃), slightly soluble in pyridine. It is decomposed into formic acid and carbon dioxide in case of potassium permanganate. Malonic acid is a dibasic acid with the typical reactivity of a dibasic acid. For example, the methylene group of malonic acid is active and can undergo addition, alkylation, amination, halogenation and other reactions; its two carboxyl groups are very far apart Nearly, it can be dehydrated; it can be esterified with alcohol; it can be heated to decarboxylate; it can be condensed with carbonyl compounds; it can be added to compounds containing active double bonds.
Mancozeb
Mancozeb is used to control a wide variety of fungal diseases, including potato blight, leaf spot, scab (on apples and pears), and rust (on roses). It is used on fruits, vegetables, nuts and field crops, and many more. It is also used as a seed treatment of cotton, potatoes, corn, safflower, sorghum, peanuts, tomatoes, flax, and cereal grains.
