Reagents, K

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  • Kovacs Indole Reagent 100mL UN2920

    MilliporeSigma

    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

  • 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

  • ALDRICH 2-Keto-4-methylpentanoic acid-1-13C sodium salt, 99 atom % 13C

    MilliporeSigma

    Synonym(s): 2-Ketoisocaproic acid-1- 13 C sodium salt Empirical Formula: 13 CC5H9NaO3 Linear Formula: (CH3)2CHCH2CO 13 CO2Na Formula Weight: 153.12 MDL Number: MFCD00084073 Melting Point: …

  • 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

  • Ketoprofen impurity C

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 3-[(1 RS )-1-Carboxyethyl]benzoic acid; 3-Carboxy-α-methylbenzeneacetic acid Empirical Formula: C10H10O4 Formula Weight: 194.18 Linear Formula: C10H10O4

  • "King Agar B, for microbiology, 500 g"

    MilliporeSigma

  • Ketoprofen impurity A

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 1-(3-Benzoylphenyl)ethanone Empirical Formula: C15H12O2 Formula Weight: 224.25 Linear Formula: C15H12O2

  • Kollisolv® PEG E 400

    MilliporeSigma

    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…

  • Kovac's reagent for indoles, for microbiology

    MilliporeSigma

    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 Klotho human recombinant, expressed in CHO cells, >=98% (SDS-PAGE), >=98% …

    MilliporeSigma

    Synonym(s): KLA Purity: ≥98% (HPLC); ≥98% (SDS-PAGE) Storage: −20°C

  • Kanamycin sulfate from Streptomyces kanamyceticus, Animal Component-free

    MilliporeSigma

    Synonyms: Kanamycin A; Kanamycin sulfate salt Formula: C18H36N4O11 · H2O4S Formula Weight: 582.58 CAS No.: 25389-94-0 Application: Used as a selection agent for cells transformed with kanamycin B (neoR, kanR) resistance…

  • SIGMA Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    MilliporeSigma

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

  • Kinetin BioReagent, plant cell culture tested, amorphous powder

    MilliporeSigma

    Synonym: 6-Furfurylaminopurine, N 6 -Furfuryladenine CAS Number: 525-79-1 Empirical Formula (Hill Notation): C10H9N5O Molecular Weight: 215.21 Beilstein Registry Number: 21703 EC Number: 208-382-2 MDL Number: MFCD00075757 …

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

    MilliporeSigma

    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.

  • FLUKA Karl Fischer reagent solution A

    Honeywell

    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 Kolliphor® EL pH-range 6.0 - 8.0

    MilliporeSigma

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

  • a-Ketoglutaric acid

    MilliporeSigma

    ≥99.0% (T) Synonym(s): alpha-Ketoglutaric acid; 2-Oxoglutaric acid; 2-Oxopentanedioic acid Empirical Formula: C5H6O5 Formula Weight: 146.10 Linear Formula: HOOCCH2CH2COCOOH MDL Number: MFCD00004165 Purity: …

  • Kanamycin Sulfate

    ACTGene, Inc.

    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. For research use. Potency (Dried…

  • Kerosene, purum

    MilliporeSigma

    CAS No.: 8008-20-6 Density: 0.8 g/mL at 25 °C(lit.) Other Notes: Sales restrictions may apply

  • Ketoconazole

    MilliporeSigma

    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 Ketoconazole >=98% (HPLC)

    MilliporeSigma

    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 Linear Formula: …

  • SIAL Keratin azure

    MilliporeSigma

    MDL Number: MFCD00131435

  • SIGMA Ksp I from Kluyvera sp. Restriction Enzyme

    MilliporeSigma

    MDL Number: MFCD01094165 Storage: −20°C

  • 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.

  • Kjeldahl Catalyst

    MilliporeSigma

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

  • Kjeldahl Catalyst according to Missouri

    MilliporeSigma

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

  • SIGMA Ketorolac tris salt >=99%, crystalline

    MilliporeSigma

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

  • Kovac's Aldehyde Reagent

    Ricca Chemical

    Formula: Mixture Description: For Detection of Indole Producing Bacteria

  • SIAL Kanamycin sulfate from Streptomyces kanamyceticus

    MilliporeSigma

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

  • Kanamycin monosulfate

    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.…

  • Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    MilliporeSigma

    Synonym: Kanamycin A, Kanamycin acid sulfate CAS Number 64013-70-3 MDL number MFCD00143916 Preparation Note Kanamycin acid sulfate is prepared by solubilizing kanamycin sulfate in dilute sulfuric acid and drying. The sulfate content is approximately 25%. Application …

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