Reagents, K

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Reagents, K

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  • SIGMA KAB-18 hydrochloride >=98% (HPLC), powder

    MilliporeSigma

    Synonym(s): Biphenyl-2-carboxylic acid 1-(3-phenyl-propyl)-piperidin-3-ylmethyl ester hydrochloride Empirical Formula: C28H31NO2 -+ HCl Linear Formula: C28H31NO2 -+ HCl Formula Weight: 450.01 MDL Number: MFCD19443862 …

  • 2-Ketoglutaric acid, 98%

    Alfa Aesar

    Synonym(s): 2-Oxoglutaric acid Formula: C5H6O5 Formula weight: 146.10 Purity: 98% CAS Number: 328-50-7 Harmonized Tariff Code:  2918.30 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • KIT Ligand, mouse

    Alfa Aesar

    Synonym(s): Recombinant Murine KIT Ligand, KL-1 Formula weight: 18.4 kDa Harmonized Tariff Code:  2937.19

  • Kovac's Complex

    Spectrum Chemical

    CAS No.: 15406-98-1 UN No.: UN2928 Class: 6.1 (8) Pkg. Group: PG II

  • SIGMA Kaempferol 3-O-D-galactoside >=90% (LC/MS-ELSD)

    MilliporeSigma

    Empirical Formula: C21H20O11 Linear Formula: C21H20O11 Formula Weight: 448.38 Purity: ≥90% (LC/MS-ELSD) Storage: −20°C

  • Kanamycin B sulfate salt

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Bekanamycin sulfate salt Empirical Formula: C18H37N5O10 -+ xH2SO4 Formula Weight: 483.51 (free base basis) Linear Formula: …

  • Kovac's Aldehyde Reagent

    Ricca Chemical

    Formula: Mixture Description: For Detection of Indole Producing Bacteria

  • SIGMA Kolliphor® ELP

    MilliporeSigma

    Synonym(s): Cremophor ® ELP; PEG-35 castor oil; Polyoxyl 35 Hydrogenated Castor oil; Polyoxyl-35 castor oil MDL Number: MFCD00130879

  • Kundrat Agar

    MilliporeSigma

    for microbiology Synonym(s): Test Agar for the Residue Test according to Kundrat

  • Kjeldahl Catalyst according to Wieninger

    MilliporeSigma

    tablets, with selenium Synonym(s): Nitrogen determination (Wieninger); Selenium reaction mixture MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • Kerosene, reagent grade, low odor

    MilliporeSigma

    CAS No.: 8008-20-6 Density: 0.8 g/mL at 25 °C(lit.) Quantity: 3.8 L = 1 gal 18.9 L = 5 gal Packaging: 18.9 L in steel drum Packaging: 3.8 L in glass bottle

  • Kaolin

    MilliporeSigma

    Kaolin is hydrated aluminum silicate. Its water sorption isotherms, desorption isotherms, desorption enthalpy and entropy have been determined. The impact of its addition to styrene-butadiene rubber composites has been investigated. The thermal degradation of kaolin has been analyzed. …

  • KN-62

    Alfa Aesar

    Formula: C38H35N5O6S2 Formula weight: 721.84 CAS Number: 127191-97-3 Harmonized Tariff Code:  2933.59

  • Koenigicine

    MilliporeSigma

    analytical standard Synonym(s): 3,11-Dihydro-8,9-dimethoxy-3,3,5-trimethylpyrano[3,2- a ]carbazole; Kenimbidine; Koenidine; Koenimbidine; NSC 127151 Empirical Formula: C20H21NO3 Formula Weight: 323.39 Linear Formula: …

  • 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

  • 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…

  • kappa-Carrageenan

    Alfa Aesar

    Synonym(s): Gelatin, Vegetable Formula: C12H17O13S Formula weight: 401.32 CAS Number: 11114-20-8 Harmonized Tariff Code:  1302.39

  • SIGMA Kaempferol >=97.0% (HPLC)

    MilliporeSigma

    Synonym(s): 3,4',5,7-Tetrahydroxyflavone; 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4 H -1-benzopyran-4-one; Robigenin Empirical Formula: C15H10O6 Linear Formula: C15H10O6 Formula Weight: 286.24 MDL Number: MFCD00016938 …

  • 6-Ketoprostaglandin F1^a, 98%

    Alfa Aesar

  • SIGMA Kojic acid

    MilliporeSigma

    Synonym(s): 2-Hydroxymethyl-5-hydroxy-γ-pyrone; 5-Hydroxy-2-hydroxymethyl-4H-4-pyranone Empirical Formula: C6H6O4 Linear Formula: C6H6O4 Formula Weight: 142.11 MDL Number: MFCD00006580 Melting Point: 152-155…

  • SIGMA KISS-1 58-65 >=97% (HPLC)

    MilliporeSigma

    Empirical Formula: C33H59N11O11 Linear Formula: C33H59N11O11 Formula Weight: 785.89 Purity: ≥97% (HPLC) Storage: −20°C

  • 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

  • SIGMA 4.6.5a114K Reactivity: Anti-Madin-Darby canine kidney cells

    MilliporeSigma

    Storage: −196°C

  • Kauri-Butanol Solution

    Spectrum Chemical

    UN No.: UN1120 Class: 3 Pkg. Group: PG III

  • SIGMA KHOS-240S

    MilliporeSigma

    Storage: −196°C

  • SIGMA KISS-1 125-144 >=97% (HPLC)

    MilliporeSigma

    Empirical Formula: C80H122N32O27 Linear Formula: C80H122N32O27 Formula Weight: 1964.02 Purity: ≥97% (HPLC) Storage: −20°C

  • KiCqStart(R) SYBR(R) Green qPCR ReadyMix(TM), iQ(TM), with fluorescein for Bio…

    MilliporeSigma

    Storage: -20C UNSPSC Code: 41106300 Features and Benefits: . Assay results in as little as 33 minutes. Highly efficient and sensitive real-time PCR results. Little/no optimization required General description: KiCqStart SYBR Green qPCR ReadyMix is a 2X concentrated,…

  • 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: …

  • SIGMA KC

    MilliporeSigma

    Storage: −196°C

  • Ketobemidone impurity C

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 1-[4-(3-Hydroxyphenyl)piperidin-4-yl]propan-1-one Empirical Formula: C14H19NO2 Formula Weight: 233.31 Linear Formula: C14H19NO2

  • SIGMA 5-Keto-D-gluconic acid potassium salt >=98.0%

    MilliporeSigma

    Synonym(s): D-Xylo-5-hexulofuranosonic acid potassium salt Empirical Formula: C6H9KO7 Linear Formula: C6H9KO7 Formula Weight: 232.23 MDL Number: MFCD00069562 Purity: ≥98.0% Storage: 2-8°C Beilstein…

  • 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…

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