Reagents, O

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Reagents, O

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  • 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…

  • 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 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…

  • 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%…

  • "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…

  • 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 Octanoic acid >=99%

    MilliporeSigma

    Synonym(s): Acid C8; Caprylic acid Empirical Formula: C8H16O2 Linear Formula: CH3(CH2)6COOH Formula Weight: 144.21 MDL Number: MFCD00004429 Purity: ≥99% Boiling Point: 237 °C(lit.) Melting…

  • o-Cresol

    MilliporeSigma

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

  • SIGMA Oxyphenbutazone >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 4-Butyl-1-(4-hydroxyphenyl)-2-phenyl-3,5-pyrazolidinedione; G 27202; NSC 526053; Ro 04-4410; p-Hydroxyphenylbutazone; p-Oxyphenylbutazone Empirical Formula: C19H20N2O3 Linear Formula: …

  • Orbifloxacin

    MilliporeSigma

    VETRANAL ™ , analytical standard Synonym(s): 1-Cyclopropyl-5,6,8-trifluoro-1,4-dihydro-7-( cis -3,5-dimethyl-1-piperazinyl)-4-oxo-quinoline-3-carboxylic acid; Orbax Empirical Formula: C19H20F3N3O3 Formula Weight: 395.38 Linear…

  • Oxytetracycline hydrochloride =95% (HPLC), crystalline

    MilliporeSigma

    CAS Number: 2058-46-0 Empirical Formula (Hill Notation): C22H24N2O9 · HCl Molecular Weight: 496.89 Beilstein Registry Number: 3853107 EC Number: 218-161-2 MDL Number: MFCD00135815 PubChem Substance ID: …

  • SUPELCO o-Terphenyl

    MilliporeSigma

    analytical standard Synonym(s): 1,2-Diphenylbenzene Empirical Formula: C18H14 Formula Weight: 230.30 Linear Formula: C6H5C6H4C6H5 MDL Number: MFCD00003055 Boiling Point: …

  • "Omethoate, PESTANAL®, analytical standard"

    MilliporeSigma

    Formula: C5H12NO4PS Formula Weight: 213.19 CAS No.: 1113-02-6 Storage Temperature: 2-8°C Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH Included Fees: C990T71 has a Small Can Fee included in the price.…

  • Oil Red O certified by the Biological Stain Commission

    MilliporeSigma

    Synonym: 1-([4-(Xylylazo)xylyl]azo)-2-naphthol, 1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol, Solvent Red 27 CAS Number: 1320-06-5 Empirical Formula (Hill Notation): C26H24N4O Molecular Weight: 408.49 Colour Index Number: 26125 …

  • "Ofloxacin, VETRANAL™, analytical standard"

    MilliporeSigma

    Formula: C18H20FN3O4 Formula Weight: 361.37 CAS No.: 82419-36-1 Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 33703.pdf Tested metabolites are…

  • OMI® Purifier Tube OMI-2 Purifier Tube

    MilliporeSigma

    Synonym: OMI®-2 INDICATOR TUBE General Description The OMI is a polishing purifier that removes many contaminants that other upstream purifiers miss. It will simultaneously and irreversibly remove moisture, oxygen, carbon monoxide, carbon dioxide, most sulfur compounds, most halogen…

  • OmniPur® DNase I, Bovine Pancreas

    MilliporeSigma

  • 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

  • SIGMA Oleuropein >=98.0%

    MilliporeSigma

    Synonym(s): (2 S ,3 E ,4 S )-3-Ethylidene-2-(β-D-glucopyranosyloxy)-3,4-dihydro-5-(methoxycarbonyl)-2 H -pyran-4-acetic acid 2-(3,4-dihydroxyphenyl)ethyl ester Empirical Formula: C25H32O13 Linear Formula: C25H32O13

  • "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…

  • "Octane, analytical standard"

    MilliporeSigma

    Synonyms: n -Octane Formula: CH3(CH2)6CH3 Formula Weight: 114.23 CAS No.: 111-65-9 Purity: ≥99.7% (GC) Density: 0.703 g/mL at 25 °C(lit.)

  • "Oryzalin, PESTANAL®, analytical standard"

    MilliporeSigma

    Formula: C12H18N4O6S Formula Weight: 346.36 CAS No.: 19044-88-3 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • Oxycodone hydrochloride

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Empirical Formula: C18H21NO4 -+ HCl Formula Weight: 351.82 Linear Formula: C18H21NO4 -+ HCl MDL Number: MFCD00137583

  • 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.

  • "Ox-bile, dehydrated, purified"

    MilliporeSigma

    for microbiology

  • OmniPur® Ammonium Acetate

    MilliporeSigma

  • 1-Octanesulfonic Acid, Sodium Salt, HPLC

    Avantor - J.T.Baker®

    For Ion-Pair Chromatography of Basic Compounds Formula: CH3(CH2)7SO3Na Formula Weight: 216.27 CAS Number: 5324-84-5

  • OmniPur™ PHENOL CHLOROFORM

    MilliporeSigma

  • ONPG

    ACTGene, Inc.

    Colorimetric and spectrophotometric substrate for detection of ß-D-Glacotosidase. The cleavage of ONPG releases the yellow dye 4-nitrophenyl and absorption is measured at 405 - 420 nm by spectrophotometry. For research use. Molecular Weight: 301.25 Molecular Formula: C12H15NO8 CAS:…

  • Osmium Tetroxide Aqueous Solution

    To facilitate your work, now available is a complete line of Osmium Tetroxide Aqueous Solutions with various concentrations. Sealed under dry nitrogen. Prepared in our plant daily. Exact concentrations and volume in pre-scored amber-ampoules. CAS #: 4% or 2% Osmium Tetroxide, Crystalline…

  • SIGMA Olive oil highly refined, low acidity

    MilliporeSigma

    MDL Number: MFCD00131764

  • SIGMA Oligo(dT)23, Anchored 70 µM in H2O

    MilliporeSigma

    Storage: −20°C

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