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%…

  • "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…

  • 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.

  • "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…

  • Oxytetracycline

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): Oxytetracycline dihydrate Empirical Formula: C22H24N2O9 -+ 2H2O Formula Weight: 496.46 Linear Formula: C22H24N2O9 -+…

  • 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 …

  • Oxytetracycline, 98+%

    Alfa Aesar

    Formula: C22H24N2O9 Formula weight: 460.43 Purity: 98+% CAS Number: 79-57-2 Harmonized Tariff Code:  2941.30

  • ALDRICH Octacosane, 99%

    MilliporeSigma

    Formula: CH3(CH2)26CH3 Formula Weight: 394.76 CAS No.: 630-02-4 Purity: 99% Packaging: 25 g in glass bottle

  • "Oatmeal agar, Microbiologically tested"

    MilliporeSigma

    Reconstitution: Recommended use at 72.5 g per liter. Other Notes: Contains: oatmeal and agar.

  • 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…

  • Oxalyl chloride, 98%

    Alfa Aesar

    Formula: C2Cl2O2 Formula weight: 126.93 Purity: 98% CAS Number: 79-37-8 UN Number: UN2927 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H331-H314-H318-H302 Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious…

  • Oxytetracycline

    MilliporeSigma

    pharmaceutical secondary standard; traceable to USP, PhEur, BP Synonym(s): Oxytetracycline Empirical Formula: C22H24N2O9 Formula Weight: 460.43 Linear Formula: C22H24N2O9 MDL Number: MFCD00003700

  • 3-Octyn-1-ol, 98%

    GFS Chemicals

    CH3(CH2)3C≡CCH2CH2OH CAS#: 14916-80-4 F.W.: 126.20

  • 5,7-Octadecadiynoic Acid, 97%

    GFS Chemicals

    CH3(CH2)9C≡CC≡C(CH2)3COOH CAS#: 136667-54-4 F.W.: 276.42

  • 3,5-Octadiyn-1,8-diol, 96%

    GFS Chemicals

    HOCH2CH2C≡CC≡CCH2CH2OH CAS#: 15808-23-8 F.W.: 138.17

  • 2-Octyn-1-ol, 98%

    GFS Chemicals

    CH3(CH2)4C≡CCH2OH CAS#: 20739-58-6 F.W.: 126.20

  • 1-Octadecyne, 98%

    GFS Chemicals

    CH3(CH2)15C≡CH CAS#: 629-89-0 F.W.: 250.47 This material is a solid when <26°C so it may require heating to transfer material.

  • 10,12-Octadecadiynoic Acid, 95%

    GFS Chemicals

    CH3(CH2)4C≡CC≡C(CH2)8COOH CAS#: 7333-25-7 F.W.: 276.42

  • "Ox-bile, dehydrated, purified"

    MilliporeSigma

    for microbiology

  • ALDRICH 1-Octadecanol, 95%

    MilliporeSigma

    Synonym(s): Octadecyl alcohol; Stearyl alcohol Formula: CH3(CH2)17OH Formula Weight: 270.49 CAS No.: 112-92-5 Purity: 95% Density: 0.812g/mLat 25°C(lit.) Packaging: 1 kg in poly bottle

  • SIAL o-Cresolphthalein Complexone

    MilliporeSigma

    powder Synonym(s): o -Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid; o -Cresolphthalexon; Metal phthalein; Phthalein purple; Xylenylphthalein-bisiminodiacetic acid Empirical Formula: C32H32N2O12 Formula Weight: 636.60 Linear…

  • SIGMA 1-Oleoyl-rac-glycerol >=99%

    MilliporeSigma

    Synonym(s): 1-( cis -9-Octadecenoyl)- rac -glycerol; rac -Glycerol 1-monooleate; DL-α-Monoolein; Glyceryl cis -9-octadecenoate; Monoolein Empirical Formula: C21H40O4 Linear Formula: …

  • SUPELCO ORBO™ 32 Small Activated Coconut Charcoal (20/40), 100/50 mg

    MilliporeSigma

    W,F,F separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea Synonym(s): Activated Coconut Charcoal Tube

  • 7-Octyn-1-Ol, 97%

    GFS Chemicals

    HC≡C(CH2)6OH CAS#: 871-91-0 F.W.: 126.20

  • 1-Octadecene, 90%

    GFS Chemicals

    CH3(CH2)15CH=CH2 CAS#: 112-88-9 F.W.: 252.49

  • Oxalic Acid, Dihydrate, Crystal, BAKER ANALYZED ACS Reagent

    Avantor - J.T.Baker®

    Formula: HOCOCOOH•2H2O Formula Weight: 126.07 CAS Number: 6153-56-6

  • SIGMA o-Dianisidine peroxidase substrate

    MilliporeSigma

    Synonym(s): 3,3'-Dimethoxybenzidine; Fast Blue B Empirical Formula: C14H16N2O2 Linear Formula: C14H16N2O2 Formula Weight: 244.29 MDL Number: MFCD00008372 Beilstein Registry Number: 1879884

  • ALDRICH 1-Octanethiol, >=98.5%

    MilliporeSigma

    Synonym(s): n -Octyl mercaptan; Mercaptan C8; Octyl mercaptan Empirical Formula: C8H18S Linear Formula: CH3(CH2)7SH Formula Weight: 146.29 MDL Number: MFCD00004912 Purity: ≥98.5% Boiling Point: …

  • Oxalic acid, dihydrate

    bioWORLD

    A diprotic reducing agent used as a buffer Synonym: Ethanedioic acid Specifications High Purity Grade Insolubles (H2O): <0.05% Ash: <0.2% Iron: <0.005% Chloride: <0.005% Appearance: Solid Boiling Point: 108-109°C …

  • OP Pesticide - Sandy Loam 1

    MilliporeSigma

    pkg of 50 g Components: Azinphos-methyl; Chlorfenvinphos; Diazinon; Dichlorvos; Disulfoton; EPN; Ethoprophos; PN; Malathion; Parathion, ethyl; Phorate; Ronnel; Tetrachlorvinphos; Trichlorovos RIDADR: UN 3077 9 / PGIII

  • 2-Octanol, 97%

    MilliporeSigma

    Synonyms: sec -Caprylic alcohol; Capryl alcohol; Ethyl- N -amylcarbinol; Ethylpentylcarbinol Formula: CH3(CH2)5CH(OH)CH3 Formula Weight: 130.23 CAS No.: 123-96-6 Purity: 97% Density: 0.819 g/mL at 25 °C(lit.) Packaging: 1, 4 L in glass…

  • ALDRICH 1,8-Octanediol, 98%

    MilliporeSigma

    Synonym(s): Octamethylene glycol Formula: HO(CH2)8OH Formula Weight: 146.23 CAS No.: 629-41-4 Purity: 98% Packaging: 25, 100 g in poly bottle

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