Reagents, O

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Reagents, O

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  • Oxidase Dropper Pk. 50

    BD

    Oxidase Reagent Droppers are used in the Kovacs oxidase test as a qualitative reaction in the identification of nonfermenters and miscellaneous gram-negative bacteria. Used in the identification of organisms which produce oxidase enzyme Oxidase Reagent Droppers contain 0.5 mL of a 1%…

  • OxiDrop™, Oxidase Test

    Hardy Diagnostics

    OxiDrop™, Oxidase Test is a liquid ready-to-use reagent that is used in procedures to detect cytochrome oxidase activity in bacteria. For testing the oxidase reaction, contains tetramethyl-p-phenylenediamine. Simply place one drop on the suspect colony (directly on the plate) and look for…

  • Ozone AccuVac® Ampules

    Hach

    For determination of Ozone by the Indigo method, using AccuVac® Ampules. Hach method 8311. Fast Easy Accurate Use them anywhere you need results.

  • ALDRICH o-Cresol, >=99%

    MilliporeSigma

    Synonym(s): 2-Methylphenol Empirical Formula: C7H8O Linear Formula: CH3C6H4OH Formula Weight: 108.14 MDL Number: MFCD00002226 Purity: ≥99% Boiling Point: 191 °C(lit.) Melting Point: …

  • ALDRICH Oleic acid, natural, FCC

    MilliporeSigma

    Synonym(s): cis -9-Octadecenoic acid; Elainic acid Empirical Formula: C18H34O2 Linear Formula: CH3(CH2)7CH=CH(CH2)7COOH Formula Weight: 282.46 MDL Number: MFCD00064242 Boiling Point: …

  • "Oxidase Strips, for microbiology"

    MilliporeSigma

    Storage Temperature: 2-8°C General description: Diagnostic test for the detection of the cytochrome oxidase activity of microorganisms within 1 minute. Oxidase Test is an important differential procedure which should be performed on all gram-negative bacteria that are to be identified. In…

  • Orange G loading dye (6X), glycerol based

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with…

  • Oleic acid, tech. 90%

    Alfa Aesar

    Synonym(s): cis-9-Octadecenoic acid Formula: C18H34O2 Formula weight: 282.47 Purity: tech. 90% CAS Number: 112-80-1 Harmonized Tariff Code:  2916.15 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • Organophosphorus Pesticides Mix A 2000 µg/mL each component in hexane: acetone …

    MilliporeSigma

    Grade: analytical standard CofA: certificate of analysis is enclosed in each package Feature: standard type calibration Packaging: ampule of 1 mL Concentration: 2000 μg/mL each component in hexane: acetone (9:1) Storage Temp.: 2-8°C

  • SIGMA Oxytocin lyophilized powder, ~15 IU/mg solid (Prepared from synthetic…

    MilliporeSigma

    Synonym(s): α-Hypophamine; Oxytocic hormone Empirical Formula: C43H66N12O12S2 Linear Formula: C43H66N12O12S2 Formula Weight: 1007.19 MDL Number: MFCD00076731 Storage: …

  • Oxidase Reagent according to Gaby-Hadley B, for microbiology

    MilliporeSigma

    Synonyms: Gaby-Hadley Reagent B

  • ALDRICH Octadecyl isocyanate, 98%

    MilliporeSigma

    Formula: CH3(CH2)17NCO Formula Weight: 295.50 CAS No.: 112-96-9 UN Number: UN2206 Purity: 98% Density: 0.847g/mLat 25°C(lit.) Storage: 2-8°C Packaging: 5, 25 g in glass bottle

  • Oxymetazoline hydrochloride

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 2-(3-Hydroxy-2,6-dimethyl-4-t-butylbenzyl)-2-imidazoline hydrochloride Empirical Formula: C16H24N2O -+ HCl Formula Weight: 296.84 Linear Formula: C16H24N2O -+…

  • Omeprazole

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1 H -benzimidazole; Antra; Losec Empirical Formula: C17H19N3O3S Formula Weight: 345.42 Linear Formula: …

  • COD Test Vials

    Bioscience, Inc.

    Micro-COD test method saves time and money Ideal for waste water effluent testing Faster than the BOD method Identify system upsets in as little as 15 minutes Use for NPDES reporting purposes- mercury versions are EPA approved Reads out directly in ppm on the SMART Colorimeter…

  • "Oxidase Test, for microbiology"

    MilliporeSigma

    Application: Oxidase Test is an important differential procedure which should be performed on all gram-negative bacteria that are to be identified. In presence of the enzyme cytochrome oxidase (gram-negative bacteria) the N,N-dimethyl-p-phenylened iamine oxalate and α-naphthol react to…

  • 2-Nitrophenyl ß-D-galactopyranoside, =98% (enzymatic)

    MilliporeSigma

    Synonym: o-Nitrophenyl ß-D-galactopyranoside, ONPG CAS Number: 369-07-3 Empirical Formula (Hill Notation): C12H15NO8 Molecular Weight: 301.25 Beilstein Registry Number: 92207 EC Number: 206-716-1 MDL Number: …

  • SIAL Orcein

    MilliporeSigma

    synthetic Synonym(s): Natural Red 28 MDL Number: MFCD00062310

  • OptiPrep™ Density Gradient Medium used for cell and subcellular organelle…

    MilliporeSigma

    MDL number MFCD00867965 Application Density gradient suitable for isolation of cells and cell organelles, virus purification, and isolation of lipoproteins and macromolecules. Other Notes 60% (w/v) solution of iodixanol in water (sterile). Packaging 250 mL in glass bottle Legal…

  • "ONPG Disks, for microbiology"

    MilliporeSigma

    Synonyms: β-Galactosidase Test Disks; 2-Nitrophenyl-β-D-galactopyranoside Disks Storage Temperature: 2-8°C General description: ONPG Disks are used to detect the presence of β-galactosidase, an enzyme found in lactose-fermenting organisms. Lactose utilization depends upon two…

  • O-Ethylhydroxylamine hydrochloride

    MilliporeSigma

    for GC derivatization Synonym(s): Ethoxyamine hydrochloride Empirical Formula: C2H7NO -+ HCl Formula Weight: 97.54 Linear Formula: CH3CH2ONH2 -+ HCl MDL Number: MFCD00012956 Purity: 99.0-101.0 wt. % (AT) Melting Point: …

  • SIGMA 1-Octanoyl-rac-glycerol >=99%

    MilliporeSigma

    Synonym(s): 1-Capryloyl- rac -glycerol; Monocaprylin Empirical Formula: C11H22O4 Linear Formula: C11H22O4 Formula Weight: 218.29 MDL Number: MFCD00056652 Purity: ≥99% Storage: −20°C

  • 1-Octanol

    MilliporeSigma

    Formula: C8-H18-O Formula Weight: 130.26 CAS #: 111-87-5 Synonym(s): n-Octanol

  • OXONE®, monopersulfate compound,

    MilliporeSigma

    Synonyms: Potassium peroxymonosulfate Formula: KHSO5 · 0.5KHSO4 · 0.5K2SO4 Formula Weight: 307.38 CAS No.: 70693-62-8 Application: A rapid, efficient synthesis of oxaziridines from imines using buffered OXONE has been reported. 1 Also used…

  • Oxalic acid, 0.1N Standardized Solution

    Alfa Aesar

    Formula: HO2CCO2H Formula weight: 90.04 Harmonized Tariff Code:  3822.00 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear protective gloves/protective clothing/eye…

  • Osmium Tetroxide

    Electron Microscopy Sciences

    Osmium Tetroxide, Crystalline, Highest Purity, 99.95% (Osmic Acid Anhydride) Formula: OsO4   Formula Weight: 254.20   CAS #: 20816-12-0 Melting Range: 39.5-41.0°C Boiling Point: 129.7°C Vapor Pressure @25°C: 9.8 mmHg …

  • Oxymetazoline hydrochloride

    MilliporeSigma

    analytical standard Synonym(s): 2-(3-Hydroxy-2,6-dimethyl-4-t-butylbenzyl)-2-imidazoline hydrochloride Empirical Formula: C16H24N2O -+ HCl Formula Weight: 296.84 Linear Formula: C16H24N2O -+ HCl MDL Number: …

  • Oil Red O

    Alfa Aesar

    Synonym(s): C.I. 26125, Solvent Red 27 Formula: C26H24N4O Formula weight: 408.51 CAS Number: 1320-06-5 Harmonized Tariff Code:  3204.19

  • GR ACS Oxalic Acid, Dihydrate

    MilliporeSigma

    Formula: HOOCCOOH•2H2O Formula Weight: 126.07 CAS Number: 6153-56-6 Synonym(s): Ethanedioic Acid, Dihydrate

  • Ozone Accuvac, 0-1.5mg / L

    Hach

    AccuVac® Ampules contain the precise amount of reagent for a single test and can be used as a measurement cuvette Method: Indigo Range: up to 1.50 mg/L pk/25

  • ALDRICH Oxobis(2,2,6,6-tetramethyl-3,5-heptanedionato)titanium(IV), 95%

    MilliporeSigma

    Synonym(s): Titanium oxide bis(tetramethylheptanedianoate) Empirical Formula: C22H38O5Ti Linear Formula: C22H38O5Ti Formula Weight: 430.40 MDL Number: MFCD00269847 Purity: 95% Melting Point: 120-124 °C

  • ALDRICH Orange G, certified by the Biological Stain Commission, Dye content 80%

    MilliporeSigma

    Synonym(s): 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt; 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt; Acid Orange 10; Wool Orange 2G Empirical Formula: C16H10N2Na2O7S2 Linear Formula: …

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