Reagents, K

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Reagents, K

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  • Kaempferol =90% (HPLC), powder

    MilliporeSigma

    Synonym: 3,4',5,7-Tetrahydroxyflavone, 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, Robigenin CAS Number: 520-18-3 Empirical Formula (Hill Notation): C15H10O6 Molecular Weight: 286.24 Beilstein Registry Number: 304401 …

  • 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

  • Kovac's reagent for indoles

    MilliporeSigma

    for microbiology Synonym(s): 4-(Dimethylamino)benzaldehyde solution Empirical Formula: C9H11NO Formula Weight: 149.19 Linear Formula: C9H11NO MDL Number: MFCD00003381 Storage: 2-8°C Beilstein Registry Number: 4132845 RIDADR:…

  • 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

  • SIGMA Kanamycin sulfate from Streptomyces kanamyceticus, powder, BioReagent,…

    MilliporeSigma

    Synonyms: Kanamycin A; Kanamycin sulfate salt Formula: C18H36N4O11 · H2O4S Formula Weight: 582.58 CAS No.: 25389-94-0 Application: Use in biotechnology applications to inhibit protein synthesis. Recommended for use in…

  • 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…

  • Kovac's Aldehyde Reagent

    Ricca Chemical

    Formula: Mixture Description: For Detection of Indole Producing Bacteria

  • SIGMA Kinetin plant cell culture tested, crystalline

    MilliporeSigma

    Synonym(s): 6-Furfurylaminopurine; N 6 -Furfuryladenine Empirical Formula: C10H9N5O Linear Formula: C10H9N5O Formula Weight: 215.21 MDL Number: MFCD00075757 Melting Point: 264-270 °C (dec.)(lit.) Beilstein…

  • Krebs-Ringer Solution, without calcium

    Alfa Aesar

  • Kieselguhr Purified And Calcined Gr For Analysis Reagent Ph Eur

    MilliporeSigma

    Grade: Reag. Ph Eur CAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3

  • 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

  • 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

  • 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.

  • Krebs-Heneseleit buffer solution

    Alfa Aesar

  • SIGMA Kollicoat® IR

    MilliporeSigma

    Synonym(s): Macrogol-poly(vinyl alcohol) graft -copolymer; Polyvinyl alcohol-polyethylene glycol graft -copolymer

  • Kaolin, meets USP testing specifications

    MilliporeSigma

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

  • SIGMA Kolliphor® HS 15

    MilliporeSigma

    Synonym(s): Macrogol (15)-hydroxystearate; Polyethylene glycol (15)-hydroxystearate; Polyoxyethylated 12-hydroxystearic acid; Solutol ® HS 15

  • SIGMA Ketamine hydrochloride/xylazine hydrochloride solution

    MilliporeSigma

    MDL Number: MFCD00798875 Storage: 2-8°C Included Fees: C962Z22 has an additional DEA Fee not included in the price. To see the value of these fees, download our Fee List.

  • Ketoprofen, meets USP testing specifications

    MilliporeSigma

    Synonyms: 2-(3-Benzoylphenyl)propionic acid Formula: C16H14O3 Formula Weight: 254.28 CAS No.: 22071-15-4 Biochem/physiol Actions: Non-steroidal anti-inflammatory compound that is selective for COX-1.

  • Kerosene, Odorless

    Ricca Chemical

  • SIGMA KiCqStart® SYBR® Green qPCR ReadyMix™ Low ROX™, for ABI and Stratagene…

    MilliporeSigma

    Storage: −20°C Included Fees: C961B71 has a Dry/Wet Ice Fee included in the price. C961B72 has a Dry/Wet Ice Fee included in the price. C961B73 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA Ketodeoxynonulosonic acid >=99.0% (TLC)

    MilliporeSigma

    Synonym(s): 3-Deoxy-D-glycero-D-galactononulopyranosonic acid Empirical Formula: C9H16O9 Linear Formula: C9H16O9 Formula Weight: 268.22 MDL Number: MFCD01863086 Purity: ≥99.0% (TLC) Storage: …

  • SIGMA Kasugamycin hydrochloride from Streptomyces kasugaensis >=90% (HPLC)

    MilliporeSigma

    Synonym(s): 3-O-[2-Amino-4-[(carboxyiminomethyl)amino]-2,3,4,6-tetradeoxy-D-arabino-hexopyranosyl]-D- chiro -inositol Empirical Formula: C14H25N3O9 -+ HCl Linear Formula: C14H25N3O9 -+ HCl Formula…

  • SIGMA KH7 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): (E)-2-(1H-Benzo[d]imidazol-2-ylthio)-N'-(5-bromo-2-hydroxybenzylidene)propanehydrazide Empirical Formula: C17H15BrN4O2S Linear Formula: C17H15BrN4O2S Formula Weight: 419.30 MDL Number: …

  • SIGMA K114 >=98% (HPLC), powder

    MilliporeSigma

    Synonym(s): (trans,trans)-1-Bromo-2,5-bis-(4-hydroxy)styrylbenzene Empirical Formula: C22H17BrO2 Linear Formula: C22H17BrO2 Formula Weight: 393.27 MDL Number: MFCD11045294 Purity: ≥98% (HPLC) Storage: 2-8°C

  • 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

  • KARPAS 299

    MilliporeSigma

    Included Fees: C941H42 has a Dry/Wet Ice Fee included in the price. C941H43 has a Dry/Wet Ice Fee included in the price. C941H44 has a Dry/Wet Ice Fee included in the price. C941H41 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • "1-Kestose, analytical standard"

    MilliporeSigma

    Synonyms: β-D-Fruf-(2→1)-β-D-Fruf-(2→1)-α-D-Glup Formula: C18H32O16 Formula Weight: 504.44 CAS No.: 470-69-9 Purity: ≥98.0% (HPLC) Storage Temperature: 2-8°C Other Notes: Side product of sugar beet raffination

  • SIGMA KY02111 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): N-(6-Chloro-2-benzothiazolyl)-3,4-dimethoxy-benzenepropanamide Empirical Formula: C18H17ClN2O3S Linear Formula: C18H17ClN2O3S Formula Weight: 376.86 Purity: ≥98% (HPLC) Storage: 2-8°C

  • SIGMA Ketoconazole

    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: …

  • KF-Streptococcus Agar

    MilliporeSigma

    for microbiology Synonym(s): Kenner Fecal Agar

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