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Reagents, O

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  • 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

  • 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%…

  • Oxytetracycline hydrochloride =95% (HPLC), crystalline

    Sigma-Aldrich

    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: …

  • 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.

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

    Avantor - J.T.Baker®

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

  • OmniPur CHLOROFORM:ISO-AMYL

    EMD Millipore

  • FLUKA Octinoxate, pharmaceutical secondary standard; traceable to USP

    Sigma-Aldrich

    Synonyms: 2-Ethylhexyl 4-methoxycinnamate; 4-Methoxycinnamic acid 2-ethylhexyl ester; OMC; Octyl methoxycinnamate Formula: C18H26O3 Formula Weight: 290.40 CAS No.: 5466-77-3

  • SIGMA Olive oil highly refined, low acidity

    Sigma-Aldrich

    MDL Number: MFCD00131764

  • 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…

  • FLUKA Ox-bile, dehydrated, purified

    Sigma-Aldrich

    for microbiology

  • n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers

    Alfa Aesar

    Synonym(s): Trichlorooctadecylsilane, Stearyltrichlorosilane Formula: C18H37Cl3Si Formula weight: 387.94 Purity: 95%, cont. 5-10% branched isomers CAS Number: 112-04-9 UN Number: UN1800 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: …

  • 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…

  • Oligomycin from Streptomyces diastatochromogenes, =60% oligomycin A basis, =90%…

    Sigma-Aldrich

    CAS Number: 1404-19-9 Beilstein Registry Number: 7615308 MDL Number: MFCD01779388 PubChem Substance ID: 24898006 Biochem/physiol Actions Macrolide antibiotic; inhibits mitochondrial ATPase and phosphoryl group transfer. Other Notes A mixture of…

  • FLUKA Ofloxacin, VETRANAL™, analytical standard

    Sigma-Aldrich

    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…

  • ORP test solution, 200-275 mV

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • FLUKA Oxford Listeria Selective Supplement

    Sigma-Aldrich

    for microbiology Storage: 2-8°C

  • ALDRICH 1,3,5,7,9,11-Octaisobutyltetracyclo[7.3.3.15,11]octasiloxane-endo-3,7…

    Sigma-Aldrich

    Empirical Formula: C32H74O13Si8 Linear Formula: C32H74O13Si8 Formula Weight: 891.61 MDL Number: MFCD02685675 Purity: 97% Melting Point: 85-89 °C(lit.)

  • SIGMA Octanoic acid >=99%

    Sigma-Aldrich

    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…

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

    Sigma-Aldrich

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

  • ALDRICH o-Toluenethiol, >=97%, FG

    Sigma-Aldrich

    Synonym(s): 2-Methylbenzenethiol; o -Thiocresol Empirical Formula: C7H8S Linear Formula: CH3C6H4SH Formula Weight: 124.20 MDL Number: MFCD00004838 Purity: ≥97% Boiling Point: 195 °C(lit.) Melting Point: …

  • SIAL Orcein

    Sigma-Aldrich

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

  • FLUKA Ochratoxin A, reference material, from Aspergillus ochraceus

    Sigma-Aldrich

    Synonyms: N -[(3 R )-(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-L-phenylalanine Formula: C20H18ClNO6 Formula Weight: 403.81 CAS No.: 303-47-9 Storage Temperature: −20°C

  • 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

  • FLUKA Di-n-octyl phthalate, analytical standard, for environmental analysis

    Sigma-Aldrich

    Synonyms: DNOP; Phthalic acid di-n-octyl ester Formula: C24H38O4 Formula Weight: 390.56 CAS No.: 117-84-0 Density: 0.980 g/mL at 20 °C(lit.)

  • SIGMA Ofloxacin fluoroquinolone antibiotic

    Sigma-Aldrich

    Empirical Formula: C18H20FN3O4 Linear Formula: C18H20FN3O4 Formula Weight: 361.37 MDL Number: MFCD00226105 Storage: 2-8°C

  • O-Acetylsalicylic acid, 99%

    Alfa Aesar

    Synonym(s): 2-Acetoxybenzoic acid Formula: C9H8O4 Formula weight: 180.15 Purity: 99% CAS Number: 50-78-2 Harmonized Tariff Code:  2918.22 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • SIGMA Ochratoxin A from Petromyces albertensis, >=98% (HPLC)

    Sigma-Aldrich

    Synonym(s): N -[(3 R )-(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-L-phenylalanine Empirical Formula: C20H18ClNO6 Linear Formula: C20H18ClNO6 Formula Weight: 403.81 MDL Number: MFCD00078079 Purity: …

  • ALDRICH o-Anisaldehyde, >=97%

    Sigma-Aldrich

    Synonym(s): 2-Methoxybenzaldehyde; o -Anisaldehyde; Salicylaldehyde methyl ether Empirical Formula: C8H8O2 Linear Formula: CH3OC6H4CHO Formula Weight: 136.15 MDL Number: MFCD00003308 Purity: ≥97% Boiling…

  • FLUKA 1-Octadecanol

    Sigma-Aldrich

    Selectophore ™ , ≥99.5% Synonym(s): Octadecyl alcohol; Stearyl alcohol Empirical Formula: C18H38O Formula Weight: 270.49 Linear Formula: CH3(CH2)17OH MDL Number: MFCD00002823 Purity: ≥99.5% (GC);…

  • SIGMA Ochratoxin A ELISA Kit for Alcoholic Beverages

    Sigma-Aldrich

    Storage: 2-8°C

  • ALDRICH Oxalyl chloride, reagent grade, 98%

    Sigma-Aldrich

    Synonym(s): Ethanedioyl dichloride Formula: ClCOCOCl Formula Weight: 126.93 CAS No.: 79-37-8 UN Number: UN2922 Purity: 98% Density: 1.5g/mLat 20°C(lit.) Application: Reactant involved in: • Synthesis of N -heterocyclic ynones and ynediones, used to activate…

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