Sigma-Aldrich

Compare Tool

Select up to 3 products

1 - 32 of 1155
Sort
View
Show
  • ALDRICH Olive oil, extra virgin, Certified organic (NOP/EU)

    Sigma-Aldrich

    MDL Number: MFCD00131764 Density: 0.910 g/mL at 25 °C Refractive Index: n 20/D 1.469

  • FLUKA Oxidase Test, for microbiology

    Sigma-Aldrich

    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 …

    Sigma-Aldrich

    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

  • FLUKA Oxidase Strips, for microbiology

    Sigma-Aldrich

    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…

  • SIGMA optigel Precast gels

    Sigma-Aldrich

    15-20% polyacrylamide, contains bind silane (long plate), with 2 orientation markers CAS number: Storage: 2-8°C

  • SIGMA Ofloxacin fluoroquinolone antibiotic

    Sigma-Aldrich

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

  • ALDRICH o-Xylene-d10, 99 atom % D

    Sigma-Aldrich

    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: …

  • SUPELCO ORBO™ 60 FLORISIL® purified/deactivated (30/45), 100/50 mg

    Sigma-Aldrich

    W,F,F (specially cleaned) separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea

  • SIGMA o-Phenylenediamine dihydrochloride tablet, 5 mg substrate per tablet

    Sigma-Aldrich

    Empirical Formula: C6H8N2 -+ 2HCl Linear Formula: C6H4(NH2)2-+2HCl Formula Weight: 181.06 MDL Number: MFCD00012966 Melting Point: 258 °C (dec.)(lit.) Storage: 2-8°C Beilstein Registry…

  • 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…

  • 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 Large Activated Coconut Charcoal (20/40), 400/200 mg

    Sigma-Aldrich

    W,W,F separators, O.D. × L 8 mm × 110 mm, pkg of 50 ea Synonym(s): Activated Coconut Charcoal Tube

  • SIGMA Oxolinic acid quinolone antibiotic

    Sigma-Aldrich

    Synonym(s): 5,8-Dihydro-5-ethyl-8-oxo-1,3-dioxolo[4,5-g]quinoline-7-carboxylic acid Empirical Formula: C13H11NO5 Linear Formula: C13H11NO5 Formula Weight: 261.23 MDL Number: MFCD00056775 Storage: 2-8°C …

  • SIGMA On-Column DNase I Digestion Set sufficient for 70 preparations

    Sigma-Aldrich

    Synonym(s): Deoxyribonuclease I Set Storage: −20°C Included Fees: C957D21 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA Oxiracetam

    Sigma-Aldrich

    Synonym(s): 4-Hydroxy-2-oxopyrrolidine-N-acetamide Empirical Formula: C6H10N2O3 Linear Formula: C6H10N2O3 Formula Weight: 158.16 MDL Number: MFCD00242951 Storage: 2-8°C

  • ALDRICH Orcinol, 97%

    Sigma-Aldrich

    Synonym(s): 5-Methylresorcinol Formula: CH3C6H3-1,3-(OH)2 Formula Weight: 124.14 CAS No.: 504-15-4 Purity: 97% Packaging: 5, 25 g in glass bottle

  • o-Xylene reagent grade, =98.0%

    Sigma-Aldrich

    Synonym: 1,2-Dimethylbenzene CAS Number: 95-47-6 Linear Formula: C6H4(CH3)2 Molecular Weight: 106.17 Beilstein Registry Number: 1815558 EC Number: 202-422-2 MDL Number: MFCD00008519 Packaging 1, 4 L in…

  • 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

  • Oxidase Reagent according to Gaby-Hadley B, for microbiology

    Sigma-Aldrich

    Synonyms: Gaby-Hadley Reagent B

  • Oxidase Reagent according to Gaby-Hadley A, for microbiology

    Sigma-Aldrich

    Synonyms: Gaby-Hadley Reagent A Flash Point (F): 57.2 °F Flash Point (C): 14 °C

  • FLUKA Octisalate

    Sigma-Aldrich

    pharmaceutical secondary standard; traceable to USP Synonym(s): 2-Ethylhexyl salicylate; Octisalate; Octyl salicylate Empirical Formula: C15H22O3 Formula Weight: 250.33 Linear Formula: …

  • SIAL Orcein

    Sigma-Aldrich

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

  • FLUKA Octisalate, pharmaceutical secondary standard; traceable to USP

    Sigma-Aldrich

    Synonyms: 2-Ethylhexyl salicylate; Octisalate; Octyl salicylate Formula: (HO)C6H4CO2CH2CH(C2H5)(CH2)3CH3 Formula Weight: 250.33 CAS No.: 118-60-5 Density: 1.014 g/mL at 25 °C(lit.)

  • FLUKA Octocrylene, pharmaceutical secondary standard; traceable to USP

    Sigma-Aldrich

    Synonyms: 2-Ethylhexyl 2-cyano-3,3-diphenylacrylate Formula: (C6H5)2C=C(CN)CO2CH2CH(C2H5)(CH2)3CH3 Formula Weight: 361.48 CAS No.: 6197-30-4 Density: 1.051 g/mL at 25 °C(lit.)

  • SIGMA 1-Oleoyl-rac-glycerol >=99%

    Sigma-Aldrich

    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: …

  • 2-Nitrophenyl ß-D-galactopyranoside, =98% (enzymatic)

    Sigma-Aldrich

    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: …

  • FLUKA Oleic acid

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): cis -9-Octadecenoic acid; Elainic acid Empirical Formula: C18H34O2 Formula Weight: 282.46 Linear Formula: CH3(CH2)7CH=CH(CH2)7COOH MDL…

  • FLUKA Octoxynol 9

    Sigma-Aldrich

    United States Pharmacopeia (USP) Reference Standard RIDADR: UN 3082 9 / PGIII

  • OMI® Purifier Tube OMI-2 Purifier Tube

    Sigma-Aldrich

    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…

  • FLUKA Olive oil, Ph Eur

    Sigma-Aldrich

    Synonyms: Olivae oleum virginale CAS No.: 8001-25-0 Biochem/physiol Actions: The health benefits of olive oil result from its higher proportion of monounsaturated fats, as well as its antioxidant constituents: hydroxytyrosol, oleuropein and oleocanthal.

  • FLUKA Ochratoxin A-d5 solution

    Sigma-Aldrich

    10 μg/mL in acetonitrile, analytical standard Synonym(s): Ochratoxin A-( phenyl -d5) solution Empirical Formula: C20D5H13ClNO6 Formula Weight: 408.84 Linear Formula: …

  • FLUKA Optochin Disks, for microbiology

    Sigma-Aldrich

    Storage Temperature: 2-8°C General description: The optochin test is a useful diagnostic aid for identification/differenti ation of pneumococci and viridans streptococci. Optochin (ethyl hydrocuprein hydrochloride) is inhibitory for pneumococcal growth whereas other streptococci show good…

Compare Tool

Select up to 3 products

Please Log In

Don't have an Account? Create one now.