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Reagents, K

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  • Amino Acid F Reagent for S5000 Silica

    Hach

    Amino Acid F Reagent (2.9 L) used in the Series 5000 Silica Analyzer. Amino Acid F reagent is supplied in two parts to ensure a long shelf life: a 3-liter bottle of Amino Acid F Solution and a bottle of Amino Acid F Powder. Powder must be added to the solution immediately before installation in the analyzer.

  • SIGMA Ketorolac tris salt >=99%, crystalline

    Sigma-Aldrich

    Synonym(s): (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid tris salt; Toradol Empirical Formula: C15H13NO3 -+ C4H11NO3 Linear Formula: C15H13NO3 -+…

  • FLUKA Kjeldahl Catalyst

    Sigma-Aldrich

    free of Hg and Se, tablets (2.5 g) MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • FLUKA Karl Fischer reagent solution A

    Sigma-Aldrich

    for pyridine-based volumetric KF titration (pyridine, sulfur dioxide, methanol) Density: ~1.01 g/mL Storage: 2-8°C RIDADR: UN 1992 3/PG 2 Included Fees: C955Q41 has a Small Barrier Pack Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA Keratinocyte Growth Factor human, recombinant, expressed in HEK 293 cells,…

    Sigma-Aldrich

    Synonym(s): FGF-7; KGF CAS No.: 148348-15-6 Purity: ≥90% (SDS-PAGE) Analysis Note: The specific activity was determined by the dose-dependent stimulation of the proliferation of 4MBr-5 cells (monkey epithelial cell line). Preparation Note: HumanKine Keratinocyte Growth Factor…

  • FLUKA Ketoconazole

    Sigma-Aldrich

    United States Pharmacopeia (USP) Reference Standard Synonym(s): (±)- cis -1-Acetyl-4-(4-[(2-[2,4-dichlorophenyl]-2-[1H-imidazol-1-ylmethyl]-1,3-dioxolan-4-yl)-methoxy]phenyl)piperazine Empirical Formula: C26H28Cl2N4O4 Formula…

  • SIGMA Kolliphor® EL pH-range 6.0 - 8.0

    Sigma-Aldrich

    Synonym(s): Cremophor ® EL; Macrogolglycerol ricinoleate; PEG-35 castor oil; Polyoxyl 35 hydrogenated castor oil; Polyoxyl-35 castor oil MDL Number: MFCD00130879

  • FLUKA Kjeldahl Catalyst according to Missouri

    Sigma-Aldrich

    tablets, without Hg, Se, Sb, Ti, Pt Synonym(s): Nitrogen determination (Missouri) MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • Kanamycin monosulfate, Cell Culture Grade

    Alfa Aesar

    Synonym(s): Kanamycin A Formula: C18H36N4O11 H2SO4 Formula weight: 582.58 CAS Number: 25389-94-0 Harmonized Tariff Code:  2941.90 Hazard Statements: H334-H360-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May damage fertility or the unborn child.…

  • Kovacs Indole Reagent 100mL UN2920

    EMD Millipore

    Indole reagent is for identifying indole-positive organisms after incubation. HS Code: 3822 00 00 Density: 0.92 g/cm³ (20 °C) Flash point: 36 °C pH value: < - 1 (H2O, 20 °C) Solubility: (20 °C) soluble

  • SIGMA Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    Sigma-Aldrich

    Synonym(s): Kanamycin A; Kanamycin acid sulfate MDL Number: MFCD00143916

  • Kanamycin Sulfate

    bioWORLD

    Aminoglycoside with activity against many Gram-negative bacteria. Binds to ribosomal subunit and inhibits protein synthesis. Used as a selective agent for the incorporation of NPT II (Neomycin phosphotransferase) (APH3\') gene in plant and animal cells. Biotechnology Grade Potency: >750…

  • Kovac's Aldehyde Reagent

    Ricca Chemical

    Formula: Mixture Description: For Detection of Indole Producing Bacteria

  • Kovac's reagent for indoles, for microbiology

    Sigma-Aldrich

    CAS No.: 100-10-7 Synonyms: 4-(Dimethylamino)benzaldehyde solution; Indole reagent according to Kovac Formula: C9H11NO Formula Weight: 149.19 Linear Formula: C9H11NO MDL No.: MFCD00003381 Flash Point (F): 96.8 °F Flash Point…

  • SIGMA Kolliphor® P 188, solid, suitable for cell culture, suitable for insect…

    Sigma-Aldrich

    Synonym(s): Poly(ethylene glycol)- block -poly(propylene glycol)- block -poly(ethylene glycol); Lutrol ® F68; Poloxamer 188 CAS No.: 9003-11-6 Application: A non-ionic detergent that protects cells from hydrodynamic damage. Legal Information: Kolliphor is a registered trademark of BASF

  • SIGMA Krebs-Ringer Bicarbonate Buffer, With 1800 mg/L glucose, without calcium…

    Sigma-Aldrich

    General description: Bicarbonate buffered isotonic saline containing magnesium, potassium, sodium and phosphate ions. Storage: 2-8°C

  • FLUKA Kligler Agar

    Sigma-Aldrich

    for microbiology Synonym(s): Kligler Iron Agar

  • SIGMA Kollicoat® MAE 100 P 43.2-47.6% methacrylic acid basis (calc. on dried…

    Sigma-Aldrich

    Synonym(s): Methacrylic acid-ethyl acrylate copolymer (1:1) Purity: 43.2-47.6% methacrylic acid basis (calc. on dried substance)

  • SIGMA KiCqStart® SYBR® Green qPCR ReadyMix™ with ROX™ for ABI instruments

    Sigma-Aldrich

    Storage: −20°C Included Fees: C961B74 has a Dry/Wet Ice Fee included in the price. C961B75 has a Dry/Wet Ice Fee included in the price. C961B76 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA KiCqStart® Probe qPCR ReadyMix™, Low ROX™ with Low ROX for ABI and…

    Sigma-Aldrich

    Synonym(s): Kicqstart ® Probe qPCR ReadyMix ™ Storage: −20°C

  • Kollisolv® PEG E 400

    Sigma-Aldrich

    CAS No.: 25322-68-3 Synonyms: Poly(ethylene glycol); Lutrol ® E 400; Macrogol 400; Polyethylene glycol 400; PEG Linear Formula: H(OCH2CH2)nOH MDL No.: MFCD00081839

  • Kerosene, low odor

    Alfa Aesar

    Synonym(s): Kerosine CAS Number: 64742-47-8 Harmonized Tariff Code:  2710.19 Hazard Statements: H304-H227 May be fatal if swallowed and enters airways. Combustible liquid. Precautionary Statements: P210-P280-P301+P310-P405-P403+P235-P501a Keep away from heat/sparks/open flames/hot…

  • Kollidon® 25

    Sigma-Aldrich

    CAS No.: 9003-39-8 Synonyms: Polyvinylpyrrolidone; PVP; Polyvidone; Povidone Linear Formula: (C6H9NO)n MDL No.: MFCD00149016

  • Kaolin, meets USP testing specifications

    Sigma-Aldrich

    Synonyms: China clay; Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate Formula: ~Al2Si2O5(OH)4 CAS No.: 1332-58-7

  • Kerosene (Low Odor) 4 L Baker

    Avantor - J.T.Baker®

    For Laboratory, Research or Manufacturing Use. Comes in a 4 Liter narrow mouth amber glass bottle. CAS Number: 8008-20-6 IMO: 3:1223 HTS Number: 2710192600 Specific Gravity: 1L = 0.80 Kg Flash Point: 38.00° C Management of Change: N

  • Kinetin, 99%

    Alfa Aesar

    Synonym(s): N(6)-Furfuryladenine, 6-Furfurylaminopurine Formula: C10H9N5O Formula weight: 215.22 Purity: 99% CAS Number: 525-79-1 Harmonized Tariff Code:  2934.99

  • FLUKA Ketoprofen

    Sigma-Aldrich

    pharmaceutical secondary standard; traceable to USP, PhEur and BP Synonym(s): Ketoprofen; 2-(3-Benzoylphenyl)propionic acid Empirical Formula: C16H14O3 Formula Weight: 254.28 Linear Formula: C16H14O3 MDL Number: MFCD00055790

  • Krebs-Heneseleit buffer solution

    Alfa Aesar

  • SIAL Kanamycin sulfate from Streptomyces kanamyceticus

    Sigma-Aldrich

    meets USP testing specifications, powder Synonym(s): Kanamycin A; Kanamycin sulfate salt Empirical Formula: C18H36N4O11 -+ H2O4S Formula Weight: 582.58 Linear Formula: …

  • Kolliphor® RH 40

    Sigma-Aldrich

    CAS No.: 61788-85-0 Synonyms: Cremophor ® RH 40; Macrogolglycerol hydroxystearate; PEG-40 castor oil; Polyoxyl 40 hydrogenated castor oil MDL No.: MFCD01771439 Flash Point (F): 467.6 °F Flash Point (C): 242 °C

  • SIGMA Kynurenic acid >=98%

    Sigma-Aldrich

    Synonym(s): 4-Hydroxyquinoline-2-carboxylic acid Empirical Formula: C10H7NO3 Linear Formula: C10H7NO3 Formula Weight: 189.17 MDL Number: MFCD00006753 Purity: ≥98% Melting Point: 275 °C (dec.)(lit.) …

  • KTO: Reagent Set, Detergents 0-0.320

    Hach

    For determination of Detergents (Surfactants) by the Crystal Violet method (Hach Method 8028). Reagent Set includes: Benzene, Buffer Solution and Detergent Reagent Powder Pillows for 70 - 100 tests. Range: 0 - 0.320 mg/L

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