Reagents, O

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Reagents, O

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  • 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%…

  • Oleandrin, analytical standard

    MilliporeSigma

    CAS No.: 465-16-7 Synonyms: 5β,20(22)-Cardenolide-3β,14,16β-triol-3-([2,6-dideoxy-3-O-methyl-α-L-arabinohexopyranosyl]oxy) 16-acetate Formula: C32H48O9 Formula Weight: 576.72 Linear Formula: C32H48O9

  • Oxford Agar

    MilliporeSigma

    for microbiology Synonym(s): Listeria Selective Agar, Oxford; Listeria Oxford Medium

  • 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…

  • 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…

  • 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

  • 1-Octanol

    MilliporeSigma

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

  • 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.

  • 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

  • Ochratoxin B solution

    MilliporeSigma

    10 μg/mL in acetonitrile, analytical standard Empirical Formula: C20H19NO6 Formula Weight: 369.37 Linear Formula: C20H19NO6 MDL Number: MFCD00133680 Storage: −20°C RIDADR: UN 1648 3 / PGII

  • Oxidase Reagent according to Gordon-McLeod

    MilliporeSigma

    for microbiology Synonym(s): Gordon-McLeod Reagent

  • ALDRICH o-Xylene-d10, 99 atom % D

    MilliporeSigma

    Synonym(s): 1,2-Dimethylbenzene-d10 Empirical Formula: C8D10 Linear Formula: C6D4(CD3)2 Formula Weight: 116.23 MDL Number: MFCD00037698 Boiling Point: 142 °C(lit.) Density: …

  • Orange Serum Agar, Granulated

    MilliporeSigma

    Formula: Mixture Formula Weight: N/A Description: Typical Composition (g/L): Peptone from casein 10.0; yeast extract 3.0; orange extract 5.0; D(+)glucose 4.0; di-potassium hydrogen phosphate 3.0; agar-agar 17.0. For the isolation, cultivation and enumeration of acid-tolerent,…

  • Oxolinic acid-(ethyl-d5)

    MilliporeSigma

    VETRANAL ™ , analytical standard Synonym(s): 5-(Ethyl-d 5 )-8-oxo-5,8-dihydro-1,3-dioxolo[4,5- g ]quinoline-7-carboxylic acid Empirical Formula: C13D5H6NO5 Formula Weight: 266.26 Linear Formula: …

  • 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: …

  • 1,8-Octanediol, 98+%

    Alfa Aesar

    Synonym(s): 1,8-Dihydroxyoctane, Octamethylene glycol Formula: C8H18O2 Formula weight: 146.23 Purity: 98+% CAS Number: 629-41-4 Harmonized Tariff Code:  2905.39

  • ALDRICH o-Xylylenediamine dihydrochloride, >=98%

    MilliporeSigma

    Synonym(s): α,α'-Diamino- o -xylene dihydrochloride; 1,2-Bis(aminomethyl)benzene dihydrochloride; ortho -Phenylene-bis(methylamine) dihydrochloride Empirical Formula: C8H12N2 -+ 2HCl Linear Formula: C8H12N2 -+…

  • 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

  • "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…

  • SUPELCO Oxisorb® Oxygen Scrubber, Replacement cartridge

    MilliporeSigma

    General description: This trap will reduce oxygen and moisture to less than 1 ppm when the incoming level of oxygen is below 15 ppm and the incoming level of moisture is below 10-áppm. Use alternative traps when the levels in the incoming gas exceed these values. The kit includes a cartridge, and…

  • OmniPur® Sucrose Solution, 20% W/V

    MilliporeSigma

  • 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 …

  • Omeprazole sulfone-(5-methoxy-d3)

    MilliporeSigma

    analytical standard Synonym(s): 5-Methoxy-d3-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl}-1 H -benzimidazole; Omeprazole-d3 sulfone Empirical Formula: C17D3H16N3O4S Formula Weight: 364.43 Linear…

  • (S)-6-Oxo-2-piperidinecarboxylic acid

    MilliporeSigma

    ≥95.0% (HPLC) Synonym(s): 6-Oxo-L-pipecolic acid; (S) -2-Piperidone-6-carboxylic acid; L-Pyrohomoglutamic acid Empirical Formula: C6H9NO3 Formula Weight: 143.14 Linear Formula: C6H9NO3 MDL Number: …

  • Oxytetracycline hydrochloride

    Alfa Aesar

    Formula: C22H24N2O9 HCl Formula weight: 496.90 CAS Number: 2058-46-0 Harmonized Tariff Code:  2941.30

  • 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

  • 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: …

  • "Ox-bile, dehydrated, purified"

    MilliporeSigma

    for microbiology

  • OmniPur™ BROMOCRESOL GREEN

    MilliporeSigma

  • OmniPur® Boric Acid

    MilliporeSigma

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