Reagents, O

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Reagents, O

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  • 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: …

  • "Ochratoxin A, reference material, from Aspergillus ochraceus"

    MilliporeSigma

    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

  • ALDRICH Oleylamine, technical grade, 70%

    MilliporeSigma

    Synonym(s): cis -1-Amino-9-octadecene Empirical Formula: C18H37N Linear Formula: CH3(CH2)7CH=CH(CH2)7CH2NH2 Formula Weight: 267.49 MDL Number: MFCD00066507 Purity: 70% Boiling…

  • 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%…

  • Bottle Oxford Medium Base 500G

    BD

    Description: Use with Modified Oxford Antimicrobic Supplement or Oxford Antimicrobic Supplement to isolate L. monocytogenes

  • 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…

  • "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…

  • OmniPur® Bradford Method Protein Assay Kit

    MilliporeSigma

  • Oxytetracycline

    MilliporeSigma

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

  • Osmium(VIII) oxide, 99.8% (metals basis), Os 74.4% min

    Alfa Aesar

    Synonym(s): Osmic acid, Osmium tetroxide Formula: OsO4 Formula weight: 254.10 Purity: 99.8% (metals basis), Os 74.4% min CAS Number: 20816-12-0 UN Number: UN2471 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2843.90 Hazard Statements: H300-H310-H330-H314 …

  • 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 …

  • Oxford Agar

    MilliporeSigma

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

  • ALDRICH Oleic acid-13C18, 99 atom % 13C, 99% (CP)

    MilliporeSigma

    Synonym(s): 13 C Labeled oleic acid; Elainic acid- 13 C18; Oleic acid-ul- 13 C Empirical Formula: 13 C18H34O2 Linear Formula: 13 CH3( 13 CH2)7 13 CH= 13 CH( 13 CH2)7 13 CO2H …

  • ALDRICH 1,2-Octanediol, 98%

    MilliporeSigma

    Formula: CH3(CH2)5CH(OH)CH2OH Formula Weight: 146.23 CAS No.: 1117-86-8 Purity: 98% Packaging: 10, 50 g in poly bottle

  • o-Tolualdehyde, 97%

    MilliporeSigma

    CAS No.: 529-20-4 Synonyms: 2-Methylbenzaldehyde Formula: C8H8O Formula Weight: 120.15 Linear Formula: CH3C6H4CHO MDL No.: MFCD00003338 Purity: 0.97 Boiling Point: 199-200 °C(lit.) Flash Point (F): …

  • Orthosulfamuron

    MilliporeSigma

    PESTANAL ® , analytical standard Synonym(s): 1-(4,6-Dimethoxy-2-pyrimidinyl)-3-[2-(dimethylcarbamoyl)phenylsulfamoyl]urea Empirical Formula: C16H20N6O6S Formula Weight: 424.43 Linear Formula: …

  • Chemical Oxygen Demand (COD) Reagent, TNTplus, LR

    Hach

    For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus™ vials. Hach Method 8000. Reduce Errors with Bar-coded Vials and RFID No Reagent Blank Necessary Innovative Vial and Reagent Delivery Helpful package design

  • Oxalic acid, anhydrous, 98%

    Alfa Aesar

    Formula: C2H2O4 Formula weight: 90.04 Purity: 98% CAS Number: 144-62-7 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H314-H302-H312 Causes severe skin burns and eye damage. Harmful if swallowed. Harmful in contact…

  • 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.

  • "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…

  • Oxytetra Selective Supplement

    MilliporeSigma

    for microbiology Synonym(s): Oxytetracycline; OGYE Selective Supplement Empirical Formula: C22H24N2O9 Formula Weight: 460.43 Linear Formula: C22H24N2O9 MDL Number: MFCD00003700 RTECS No.: QI7875000

  • OmniPur™ NONFAT POWDERED MILK

    MilliporeSigma

  • 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

  • n-Octane, 98+%

    Alfa Aesar

    Formula: CH3(CH2)6CH3 Formula weight: 114.23 Purity: 98+% CAS Number: 111-65-9 UN Number: UN1262 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H315-H336 Highly flammable liquid and vapour. May be fatal if swallowed and…

  • 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

  • Octane, anhydrous, =99%

    MilliporeSigma

    Synonyms: n -Octane Formula: CH3(CH2)6CH3 Formula Weight: 114.23 CAS No.: 111-65-9 Purity: ≥99% Density: 0.703 g/mL at 25 °C(lit.) Other Notes: Pure-Pac ® II containers require the Micromatic MacroValve coupler for…

  • SUPELCO OP Pesticide Spike Mix

    MilliporeSigma

    1000 μg/mL each component in acetone, analytical standard Components: Azinphos-methyl; Demeton O&S; Diazinon; Disulfoton; Fenthion; Malathion; Parathion; Parathion-methyl RIDADR: UN 1090 3 / PGII

  • "Octinoxate, pharmaceutical secondary standard; traceable to USP"

    MilliporeSigma

    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

  • "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…

  • "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…

  • ALDRICH Orange oil, cold-pressed, Brazil origin, FG

    MilliporeSigma

    Synonym(s): Citrus aurantium; Citrus sinensis MDL Number: MFCD00147798 Boiling Point: 175 °C Density: 0.843 g/mL at 25 °C Refractive Index: n 20/D 1.473

  • 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: …

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