Tristar Biotech,provide a simple, fast, and cost effective method to purify plasmid DNA. High-purity or ultrapure DNA of high-copy and low-copy plasmid and cosmid extracted from small, middle, or large volume of culture is ready to be used in any routine downstream applications.
Roche is a pharmaceutical and diagnostics company that produces a wide range of products, including reagents for laboratory use. Reagents are substances or compounds used in chemical analysis or other laboratory procedures to detect, produce, or measure other substances. Roche Diagnostics, a division of Roche, is known for manufacturing diagnostic solutions, including a variety of reagents for clinical chemistry, immunoassays, molecular diagnostics, and more. The specific reagents produced by Roche can vary widely depending on the application and the diagnostic platform.
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
Cat.No - ESM12303-3 Size - 60�¼L Host - Mouse Reactivity - H Application - ELISA, ICC/IF, IF, FCM
Cat.No - ESM12303-3 Size - 60�¼L Host - Mouse Reactivity - H Application - ELISA, ICC/IF, IF, FCM
L-Aspartic Acid, CAS No.56-84-8, is the L-isomer of Aspartic Acid, available as White crystalline powder. L-Aspartic Acid is an essential amino acid for building proteins. So itâ??s widely used as nutrition supplements. L-Aspartic acid is also an important material in manufacturing of aspartame. As L-Aspartic Acid Manufacturers, Suppliers and Wholesalers in China , we supply food and feed grade L-Aspartic Acid, also D-Aspartic Acid and DL Aspartic Acid. As an experienced L-Aspartic Acid manufacturer and supplier, we has been supplying and exporting L-Aspartic Acid for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. L-Aspartic Acid Food grade Specification DESCRIPTION White, oderless crystals or crystalline powder having a slightly acid taste. It is slightly soluble in water but insoluble in alcohol and in ether.It melts at about 270. Chemical Name L-Aminosuccinic Acid Molecular Formula C4H7NO4 Structural Formula Molecular Weight 133.10 SPECIFICATION (FCCVII) Identification Corresponds Assay(as C4H7NO4)è?½ 98.5% â?? 101.5%(Calculated on the dried basis) Heavy Metals(as Pb) 10mg/kg Max Lead 5mg/kg Max Loss On Drying 0.25% Max Residue on Ignition 0.1% Max Specific Rotation +24.5 ~+26.0(after drying) Arsenic(as As) 2mg/kg Max MAIN FUNCTION AND PURPOSE L-Aspartic acid can be added into cool drinks as nutrition supplement. It is used in medicine as ammoniac detoxicating agent, hepar function accelerator or fatigue refresher. And it can also be used in biochemical reagent, medium and intermediate in organic synthesis. PACKING 25KG net in Plastic Woven Bag lined with PE bag, 18MT/20FCL(on pallet) or 20MT/20FCL(without pallet). STORAGE Kept airtightly in a light-proof, dry and cool place.
Potassium Benzoate, E212, CAS no.582-25-2, the potassium salt of Benzoic acid, a white, odorless, flaky, crystalline powder, soluble in water. Potassium Benzoate manufacturing process via chemical synthesis, toluene and potassium hydroxide as raw materials. It uses as food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low-pH products, such as PH 4.5. As an experienced Potassium Benzoate manufacturer and supplier, we has been supplying and exporting Potassium Benzoate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Potassium Benzoate powder food grade Specification Product Potassium Benzoate CAS 582-25-2 (anhydrous) INS 212 Structure Molecular formula C7H5KO2 3H2O Properties White particles, flakes or crystalline powder.Odorless, melting point 121.5 123.5 , soluble in water and ethanol. Quality Specification Standard Item JECFA97 FCC V USP35-NF30 Content(dry basis) 99% 99.0%~100.5% 99.0%~100.5% Alkalinity (as KOH) passed test 0.06% passed test Lead 2 mg/kg 2 mg/kg Water (105, 4h) 26.5% 1.5%. 1.5%. Heavy metals - - 0.001% Cl(as chlorine) 0.07%- Easy oxide test passed test Application 1.Used as food preservative and antimicrobial agent mainly for artificial butter,wine . 2.Used as a preservative, antimicrobial agent in food industry. 3.Analytical reagent. Can also be used as tweet agent of fireworks material. Dosage Refer to the amount of sodium benzoate. Packaging Net weight: 25kg,paper-plastic bag or woven bag lined with PE bag,can also be customized according to the customer's requirements of packaging. Storage Stored in cool, dry and ventilated place.Must not be loaded and transported with toxic, hazardous and polluting substances.
Product Name: 1,3-Propanediol INCI Name: PROPANEDIOL Molecular Formula: C3H8O2 Molecular Weight: 76.09 Appearance: clear Oily Liquid Purity: 99% CAS NO.: 504-63-2 EINECS No.: 207-997-3 Supplier: ZHENYIBIO 1,3-Propanediol is used as a solvent for thin film preparations, in the production of polymers such as polytrimethylene terephthalate, adhesives, laminates, coatings, moldings, aliphatic polyesters, as an antifreeze and in wood paint. It also acts as a reagent for vinyl epoxide synthon, for epoxide ring-opening, for polymerization reactions and for natural product syntheses.
Product Name: Solketal Other Name: 2,2-Dimethyl-1,3-dioxolane-4-methanol Molecular Formula: C6H12O3 Molecular Weight: 132.16 Appearance: Clear colorless liquid Purity: 99% CAS NO.: 100-79-8 EINECS No.: 202-888-7 Supplier: ZHENYIBIO Solketal is useful for synthesis of mono-, di- and triglycerides. It is used as the starting reagent for synthesis of tulipaline derivatives. It acts as a fuel additive in gasoline. It is an inhibitor of Methyl ethyl ketone .
