517 89 5-manufacture,factory,supplier from China

Products Description of Shikonin CAS#517-89-5Shikonin (shikonin, shikonin, shikonin) is a class of natural products with naphthoquinone structure extracted from the root of Lithospermum officinale, which has anti-inflammatory, antioxidant, anti-tumor, and wound healing effects. In recent years, the anti-tumor effects of shikonin and its derivatives have been widely studied.Several in vitro and in vivo studies have shown that shikonin and its derivatives can effectively inhibit the occurrence and development of gynecological malignancies such as breast cancer and cervical cancer.

Products Description of CARAMEL CAS#8028-89-5Caramel color is one of the food colorings with the longest history of human use. It is also the most widely used and popular food additive currently used by people. It has high color rate and strong coloring ability, reflecting the unique reddish brown color of fermented soy sauce, which is ruddy and bright. It has moderate viscosity, good solubility, high salt tolerance and stable quality.CARAMEL Chemical Propertiesdensity 1.35 g/cm3FEMA 2235 | CARAMEL COLOROdorat 100.00 %.

Products Description of 2-Methoxy-5-pyridineboronic acid CAS#163105-89-32-Methoxy-5-pyridineboronic acid, an organic chemical substance, molecular formula: C6H8BNO3.2-Methoxy-5-pyridineboronic acid Chemical PropertiesMelting point 135-140 °C(lit.)Boiling point 313.2±52.0 °C(Predicted)density 1.24±0.1 g/cm3(Predicted)storage temp. 2-8°Cpka7.26±0.10(Predicted)form powder to crystalcolor White to Almost whiteWater Solubility Soluble in water.BRN 9119950InChIKeyDHADXDMPEUWEAS-UHFFFAOYSA-NCAS DataBase Reference163105-89-3(CAS DataBase Reference)Safe

Products Description of Pyromellitic Dianhydride CAS#89-32-7The English name of pyromellitic dianhydride is Pyromellitic Dianhydride (abbreviated as PMDA, the same below), which is mainly used to synthesize polyimide.

Products Description of DL-Menthol CAS#89-78-1 Menthol is a chemical agent. It is extracted from the leaves and stems of mint. It is a white crystal with a molecular formula of C10H20O. It is the main component of mint and peppermint essential oils. In the world, China and Brazil are the main natural mint producers, and the annual output of mint oil reaches 2000-3000 tons. Menthol and racemic menthol can be used as flavoring agents for toothpaste, perfume, beverages and candies.

Products Description of Indigo CAS#482-89-3Indigo is a vat dye with a history of more than 3,000 years. Xun Kuang's famous saying of the Warring States Period, "Blue, comes from blue and is better than blue" originated from the indigo dyeing technology at that time. "Qing" here refers to cyan, and "blue" refers to the blue grass from which indigo is made.

Products Description of Inositol CAS#87-89-8Myo-inositol, also known as cyclohexanol, hexahydroxycyclohexane, cyclohexitol, myo-inositol, and inositol, is one of the B vitamins. There are 9 isomers due to the different orientations of the hydroxyl groups relative to the ring plane. body, 7 of which are non-optically active and 2 are optically active (left-handed and right-handed).In the natural chemical world, it exists in all biological tissues in free or combined form. It is a common component in animal and plant cells.

Products Description of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS#2494-89-5White crystals. Soluble in water, insoluble in ethanol, ether and benzene.

Epichlorohydrin CAS# 106-89-8Epichlorohydrin is a sort of organochlorine compound as properly as epoxide. It can be used as an industrial solvent. It is a exceptionally reactive compound, and can be used for the manufacturing of glycerol, plastics, epoxy glues and resins, and elastomers. It can additionally be used for the manufacturing of glycidyl nitrate and alkali chloride, used as the solvent of cellulose, resins, and paint as properly as being used as an insect fumigant.

Products Description of 2-Acrylamide-2-methylpropanesulfonic acid CAS#15214-89-82-Acrylamido-2-methylpropanesulfonic acid (AMPS) is a water-soluble sulfonic acid group with strong anionic properties, which makes it salt-resistant, high-temperature-resistant, dye-affinity, conductive, ion-exchangeable and highly tolerant to divalent cations; the amide group makes it have good hydrolysis stability, acid and alkali resistance and thermal stability; and the active double bond makes it have addition polymerization properties, and it can produce copolymers with a variety of hydrocarbon monomers

Products Description of 5-CyanoindoleCAS#15861-24-2Off-white crystals, melting point 106-107℃.5-Cyanoindole Chemical PropertiesMelting point 106-108 °C(lit.)Boiling point 249.72°C (rough estimate)density 1.1777 (rough estimate)refractive index 1.6211 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility Chloroform, Hexane, Methanolform Crystalline Powderpka15.62±0.30(Predicted)color White to slightly yellowWater Solubility Soluble in chloroform, hexane and methanol.

Products Description of UV Absorber 326CAS#3896-11-5Ultraviolet absorbers refer to a kind of preparation that can prevent a large amount of ultraviolet rays from passing through.

Products Description of Pectin CAS#9000-69-5 Pectin (English: pectin) is a natural high molecular compound. It is mainly found in all higher plants and is an important component of plant cell matrix. Pectin is deposited in the primary cell wall and intercellular layer. In the primary wall, it cross-links with microfibrils of cellulose, hemicellulose, lignin and certain extensins of different contents, making various cell tissue structures hard and showing inherent morphology, and serving as a supporting substance for internal cells.

Products Description of Dibenz[b,f]azepine-5-carbonyl chlorideCAS#33948-22-0Crystallization (toluene).

Products Description of VANPLAST 202 CAS#61790-48-5White powderVANPLAST 202 Chemical PropertiesBoiling point 1683.39℃[at 101 325 Pa]vapor pressure 0Pa at 25℃Water Solubility 1.714ng/L at 25℃LogP41.08 at 25℃EPA Substance Registry SystemSulfonic acids, petroleum, barium salts (61790-48-5)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

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

Products Description of 5-Chlorothiophene-2-Sulfonamide CAS#53595-66-72-Chlorothiophene-5-sulfonamide is a white powder crystal, which is often used as a pharmaceutical intermediate and pharmaceutical raw material.5-Chlorothiophene-2-Sulfonamide Chemical PropertiesMelting point 113-117 °C(lit.)Boiling point 366.3±52.0 °C(Predicted)density 1.649±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Csolubility soluble in Methanolform powder to crystalpka9.75±0.60(Predicted)color White to Light yellow to GreenCAS DataBase Refe

Products Description of Ethylamine-borontrifluorideCAS#75-23-0Boron trifluoride ethylamine is mainly used as a latent curing agent for epoxy resin.Ethylamine-borontrifluoride Chemical PropertiesMelting point 85-89 °C(lit.)Boiling point 148°C/1mmHg(lit.)density 1,38 g/cm3Fp 157°Cstorage temp. 2-8°Cform solidcolor White to Light yellowPHpH(50g/l, 25℃) : 4.0～5.6Water Solubility Reacts with water.Sensitive Moisture SensitiveBRN 3672802Exposure limitsACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3InChIInChI=1S/C2H6BF3N/c1-2-7-3(4,5)6/h7H,2H2,1H3

Products Description of 2-Methoxy-5-formylpyrimidine is a pyrimidine derivative2-Methoxy-5-formylpyrimidine is a pyrimidine derivative2-METHOXY-PYRIMIDINE-5-CARBALDEHYDE Chemical PropertiesMelting point 94-96 °CBoiling point 281.3±32.0 °C(Predicted)density 1.238±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Cform solidpka-0.41±0.22(Predicted)color YellowSafety InformationHazard Codes Xi,XnRisk Statements 22HazardClass IRRITANTHS Code 2933599590Product Application of 2-Methoxy-5-formylpyrimidine is a pyr

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 2-Bromo-5-hydroxypyrazine CAS#374063-92-02-Hydroxy-5-bromopyrazine is an organic intermediate.2-Bromo-5-hydroxypyrazine Chemical PropertiesMelting point 115-119°Cdensity 2.00±0.1 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturepka10.02±0.40(Predicted)form Crystalline Powdercolor White to light brownSafety InformationHazard Codes Xi,XnRisk Statements 22-41Safety Statements 26-39WGK Germany 1HS Code 29339900Product Application of 2-Bromo-5-hydroxypyrazine CAS#374063-92-0It has been

Products Description of 2-Amino-5-nitropyrimidine CAS#3073-77-62-Amino-5-nitropyrimidine CAS: 3073-77-6 Molecular formula: C4H4N4O22-Amino-5-nitropyrimidine Chemical PropertiesMelting point 235-237 °C(lit.)Boiling point 256.57°C (rough estimate)density 1.5799 (rough estimate)refractive index 1.8010 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility soluble in Dimethylformamidepka0.04±0.10(Predicted)form Fine Crystalline Powdercolor Light yellowInChIKeySSHFCFRJYJIJDV-UHFFFAOYSA-NCAS DataBase Reference3073-77-6

Products Description of ISOQUINOLINE-5-CARBALDEHYDE CAS#80278-67-7ISOQUINOLINE-5-CARBALDEHYDE is a white powder crystal.ISOQUINOLINE-5-CARBALDEHYDE Chemical PropertiesMelting point 116-120 °CBoiling point 331.7±15.0 °C(Predicted)density 1.223±0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperatureform powder to crystalpka4.53±0.13(Predicted)color White to Light yellowSensitive Air SensitiveBRN 112875CAS DataBase Reference80278-67-7(CAS DataBase Reference)Safety InformationHazard Codes XnRisk Statements 36/37/38

Products Description of PolycaprolactoneCAS#24980-41-4Polycaprolactone (PCL) is a semi-crystalline polymer and a chemically synthesized biodegradable high molecular material. Its structural repeating unit contains 5 non-polar methylene groups - CH2.