Optical brightener OB-1 CAS#1533-45-5-manufacture,factory,supplier from China

Products Description of Optical brightener OB-1 CAS#1533-45-5Fluorescent whitening agent OB-1, 2,2-(4,4-diphenylethylene) bisbenzoxazole, is a yellow crystalline substance with a melting point of 359-362℃, insoluble in water, odorless, stable performance, and a maximum absorption spectrum wavelength of 374nm. It has strong fluorescence and a fluorescence emission wavelength of 434nm.

Products Description of Titanium tetrachloride CAS#7550-45-0Titanium tetrachloride is the most important titanium halide and an important raw material for the production of titanium sponge and chloride-process titanium dioxide. Pure titanium tetrachloride is a colorless, transparent, high-density, non-conductive liquid with a chemical formula of TiCl4 and a relative density of 1.726. The melting point is -25°C and the boiling point is 136.4°C. It has a pungent sour taste and is easily hydrolyzed, generating white smoke in humid air. It dissolves in water and decomposes at the same time.

Products Description of Flumethrin CAS#69770-45-2The industrial product is a clear brown liquid with a slight special odor. The specific density d is 1.013, and the vapor pressure is 1.33×10-8Pa (20°C). It is insoluble in water, but soluble in organic solvents such as methanol, acetone, and xylene.

Potassium clavulanate CAS# 61177-45-5Product Overview:Potassium Clavulanate, also known as CLAVULANIC ACID POTASSIUM SALT with the CAS#61177-45-5, is a potent β-lactamase inhibitor that is revolutionizing the way we combat bacterial infections in the industrial pharmaceutical sector. As a key component in the synthesis of advanced antibiotics, our Cellulose Clavulanate is designed to meet the rigorous demands of modern manufacturing processes.Market Relevance:In the competitive landscape of the pharmaceutical industry, the need for effective antibacterial agents is paramount.

Products Description of Zinc bromide CAS#7699-45-8Zinc bromide is a chemical substance with the chemical formula ZnBr₂. It is a salt inorganic substance and is easily soluble in water.

Products Description of Thyroid powder CAS#50809-32-0In the early days, L-thyroxine was extracted from animal thyroid glands, but the resulting product had low purity, poor optical purity, and its production was limited by the source of animal thyroid glands. Now, chemical synthesis methods are mainly used.

 Products Description of Poly(acrylic acid)CAS#9003-1-4Acrylic resin (MethylMethacrylateResin), commonly known as organic glass, is a polymer compound made from methyl methacrylate. Commonly used synthesis methods include anionic polymerization, solution polymerization, bulk polymerization, and suspension polymerization. In addition, the resin has excellent properties such as easy coloring, light weight, not easy to break, and good processing performance. Therefore, it is often used as a substitute for glass, optical lenses, lenses, etc.

Products Description of N-ETHYLFORMAMIDE CAS#627-45-2Used for liquid crystal intermediates, LCD stripping agent raw materials, pharmaceutical intermediates, etc.N-ETHYLFORMAMIDE Chemical PropertiesMelting point -60.43°C (estimate)Boiling point 202-204 °Cdensity 0.950 g/mL at 20 °C(lit.)refractive index n20/D 1.432Fp 67°Cstorage temp. 2-8°Cform clear liquidpka16.49±0.23(Predicted)color Colorless to Light yellow to Light orangeBRN 1737860EPA Substance Registry SystemFormamide, N-ethyl- (627-45-2)Safety InformationSafety S

Products Description of 6-Fluoronicotinic acid CAS#403-45-26-Fluoronicotinic acid is a pyridine compound, which is often used as a pyridine intermediate and a pharmaceutical intermediate.

Products Description of Dehydroacetic acid CAS#520-45-6DHA is widely found in many deep-sea fish oils, as well as in marine algae and some terrestrial plants. DHA is an ω-3 type unsaturated fatty acid and an essential fatty acid for the body. mp44℃. It is very unstable to light, oxygen and heat, and is easily oxidized and cracked, so antioxidants should usually be added.

Products Description of CALCIUM TITANATE CAS#12049-50-2Calcium titanate is an inorganic substance with the chemical formula CaTiO3. It belongs to the cubic crystal system and is a basic inorganic dielectric material with excellent dielectric, temperature, mechanical and optical properties.

Products Description of M-Phenylenediamine (m-PDA) CAS#108-45-2Meta-phenylenediamine is an important raw material for organic synthesis. It is mainly used as a dye intermediate to produce basic orange, basic brown G, direct sunfast black G and other dyes. It is also used as fur dye and epoxy resin. It is used as a curing agent, cement coagulant, mordant, color developer, etc.

Products Description of 5-Methoxy-2-tetralone CAS#32940-15-1Light yellow or light red solid.5-Methoxy-2-tetralone Chemical PropertiesMelting point 32-36 °C (lit.)Boiling point 165°C/10mmHg(lit.)density 1.124±0.06 g/cm3(Predicted)vapor pressure 0.059Pa at 25℃Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Dichloromethane, Ethyl Acetate, Methanolform Solidcolor Yellowish OrangeBRN 1451623InChIKeyMDAIAXRTLTVEOU-UHFFFAOYSA-NLogP1.8 at 25℃CAS DataBase Reference32940-15-1(CAS DataBase Refer

Products Description of 5-Bromothiophenesulfonyl Chloride CAS#55854-46-15-Bromothiophene-2-sulfonyl chloride is an organic compound.5-Bromothiophenesulfonyl Chloride  Chemical PropertiesMelting point 40-44 °C (lit.)Boiling point 100-102 °C/0.5 mmHg (lit.)density 1.985±0.06 g/cm3(Predicted)Fp >230 °Fstorage temp. Keep in dark place,Inert atmosphere,Store in freezer, under -20°Cform crystalline powdercolor Off-white/ faint lemonSensitive Moisture SensitiveCAS DataBase Reference55854-46-1(CAS DataBase Reference)Safety InformationHazard Cod

Products Description of Bretazenil CAS#84379-13-5Brotacetin is a partial agonist of the GABAA receptor of the benzodiazepine class. It was first developed by Roche as an antianxiety drug. Studies have found that brotacetin can counteract the spasms caused by pentamethazine. At an antispasmodic dose (125-250 μg·kg-1), brotacetin combined with pyridostigmine (100 μg·kg-1, im) and aprofen (4 mg·kg-1, im) can prevent sarin and soman poisoning. Brotacetin has good antianxiety activity at a dose of 50-400 μg·kg-1. Compared with diazepam, it has little adverse reaction of myasthenia.

Products Description of Pyridine hydrobromide CAS#18820-82-1Pyridine hydrobromide is used as an intermediate for cephalosporin antibiotics such as ceftriaxone, cefapirin, and ceftazidime.Pyridine hydrobromide Chemical PropertiesMelting point 200 °C (dec.)(lit.)storage temp. Inert atmosphere,Room Temperatureform powder to crystalcolor White to Light yellow to Light orangeWater Solubility Soluble in water.Sensitive HygroscopicBRN 3615336InChIInChI=1S/C5H5N.BrH/c1-2-4-6-5-3-1;/h1-5H;1HInChIKeyBBFCIBZLAVOLCF-UHFFFAOYSA-NSMILESC1C=CN=CC=1.BrCAS DataBase

Products Description of (2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile CAS#207557-35-5 (2S)-N-Chloroacetyl-2-cyanopyrrole is a key intermediate of the dipeptidyl peptidase IV inhibitor vildagliptin (V305000)(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile Chemical PropertiesMelting point 52-53 °CBoiling point 363.1±37.0 °C(Predicted)density 1.27±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)form Solidpka-4.65±0.40(Predicted)color Pale Yellow to Ligh

Products Description of Setipiprant CAS#866460-33-5White powder.Setipiprant Chemical PropertiesBoiling point 690.4±55.0 °C(Predicted)density 1.37±0.1 g/cm3(Predicted)storage temp. Store at -20°Csolubility DMSO:48.67(Max Conc. mg/mL);120.94(Max Conc. mM)DMF:50.0(Max Conc. mg/mL);124.25(Max Conc. mM)DMF:PBS (pH 7.2) (1:1):0.5(Max Conc. mg/mL);1.24(Max Conc. mM)Ethanol:3.0(Max Conc. mg/mL);7.45(Max Conc. mM)form A solidpka4.24±0.10(Predicted)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of 1-Methylpyrrolidine CAS#120-94-5Colorless, transparent, volatile liquid. Freezing point -90°C, boiling point 79.5～80.5°C, relative density 0.819, refractive index 1.4240, flash point -21°C.

Products Description of 5-Bromo-2-pyridinecarboxylic Acid CAS#30766-11-15-Bromo-2-pyridinecarboxylic acid is a chemical substance with the molecular formula C6H3BrNO2.5-Bromo-2-pyridinecarboxylic Acid Chemical PropertiesMelting point 173-175°CBoiling point 319.5±27.0 °C(Predicted)density 1.813±0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Soluble in methanol.form Powderpka3.41±0.10(Predicted)color White to off-whiteInChIKeyMNNQIBXLAHVDDL-UHFFFAOYSA-NCAS DataBase Reference30766-11-1(CAS DataBase Reference)S

Products Description of DMPT CAS#4337-33-1Dimethyl-beta-propiothetin, English name: Dimethyl-beta-propiothetin,abbreviated as: DMPT, it exists in two forms: one is dimethyl-beta-propiothetin hydrochloride (Dimethyl-beta-propiothetin hydrochloride), CAS: 4337-33-1, molecular formula C5H11SO2Cl, molecular weight 170.66.The other is dimethyl-beta-propiothetin hydrobromide (Dimethyl-beta-propiothetin hydrobromide), CAS: 20986-22-5.

Products Description of 1-Hexadecylpyridinium bromide CAS#140-72-7Cetylpyridinium bromide is a chemical substance with the chemical formula C21H38BrN, the molecular weight is 384.4371, and the EINECS number is 205-428-3.1-Hexadecylpyridinium bromide Chemical PropertiesMelting point 63-69 °Cstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform,Methanol,Acetone,Ethanol[soluble in]solubility soluble in Chloroform,Methanol,Acetone,Ethanolform powder to crystalcolor White to Almost whiteWater Solubility 5 g/L (20 ºC)BRN 3778948InChIInChI=1

Products Description of 2-MERCAPTO-5-METHOXYBENZIMIDAZOLE CAS#37052-78-12-Mercapto-5-methoxybenzimidazole is a light beige solid powder at room temperature and pressure. It is insoluble in water and low-polarity organic solvents, but soluble in strong polarity organic solvents. It can be used as an intermediate in organic synthesis and pharmaceutical chemistry, and has a wide range of applications in pharmaceutical industry production.

Products Description of Indole-5-Carboxylic Acid CAS#1670-81-1Indole-5-carboxylic acid is a pharmaceutical intermediate.Indole-5-Carboxylic Acid Chemical PropertiesMelting point 211-213 °C (lit.)Boiling point 287.44°C (rough estimate)density 1.2480 (rough estimate)refractive index 1.5050 (estimate)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Soluble in ethanol (50 mg/ml), dimethyl sulfoxide and methanol.pka4.40±0.30(Predicted)form Powdercolor Light beige to yellowBRN 124391InChIKeyIENZCGNHSIMFJE-UHFFFAOYSA-NCAS Data