Reagents, K

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  • Ketotifen fumarate, 99%

    Alfa Aesar

    Formula: C19H19NOS.C4H4O4 Formula weight: 425.50 Purity: 99% CAS Number: 34580-14-8 Harmonized Tariff Code:  2934.99 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke…

  • KiCqStart(R) SYBR(R) Green qPCR ReadyMix(TM), For Bio-Rad, Cepheid, Eppendorf,…

    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,…

  • 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

  • Kaolin, tested according to Ph.Eur.

    MilliporeSigma

    tested according to Ph.Eur. Synonym(s): Kaolinum ponderosum; Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate Linear Formula: ~Al2Si2O5(OH)4 MDL Number: MFCD00062311 RTECS No.: GF1670500

  • SIGMA Kainic acid monohydrate >=99% (TLC)

    MilliporeSigma

    Synonym(s): 2-Carboxy-3-carboxymethyl-4-isopropenylpyrrolidine Empirical Formula: C10H15NO4 -+ H2O Linear Formula: C10H15NO4 -+ H2O Formula Weight: 231.25 MDL Number: MFCD00150833 Purity: …

  • Kligler Agar

    MilliporeSigma

    for microbiology Synonym(s): Kligler Iron Agar

  • KDR (789-end), active, GST tagged human, PRECISIO(R) Kinase, recombinant,…

    MilliporeSigma

    Synonyms: FLK1; VEGFR; VEGFR2 Purity: >=70% (SDS-PAGE) Activity: activity: 53-71 nmol/min·mg Storage: -70C UNSPSC Code: 12352200 Biochem/physiol Actions: KDR (kinase insert domain receptor) is a transmembrane tyrosine kinase receptor which interacts with VEGF (vascular endothelial…

  • Kaempferol

    MilliporeSigma

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

  • SIGMA KALA Amphipathic Peptide

    MilliporeSigma

    Empirical Formula: C144H248N40O35S Linear Formula: H-Trp-Glu-Ala-Lys-Leu-Ala-Lys-Ala-Leu-Ala-Lys-Ala-Leu-Ala-Lys-His-Leu-Ala-Lys-Ala-Leu-Ala-Lys-Ala-Leu-Lys-Ala-Cys-Glu-Ala-OH Formula Weight: 3131.82 Storage: −20°C

  • SIGMA Kolliphor® ELP

    MilliporeSigma

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

  • 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 …

  • 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 Kinetin solution 1 mg/mL, BioReagent, plant cell culture tested

    MilliporeSigma

    Synonym(s): 6-Furfurylaminopurine; N 6 -Furfuryladenine MDL Number: MFCD00075757 Storage: −20°C

  • 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 K-252a from Nocardiopsis sp., >=96.0% (HPLC)

    MilliporeSigma

    Empirical Formula: C27H21N3O5 Linear Formula: C27H21N3O5 Formula Weight: 467.47 MDL Number: MFCD00161522 Purity: ≥96.0% (HPLC) Storage: 2-8°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.

  • KARPAS 299

    MilliporeSigma

  • 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

  • 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

  • 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 Ketotifen fumarate salt

    MilliporeSigma

    Empirical Formula: C19H19NOS -+ C4H4O4 Linear Formula: C19H19NOS -+ C4H4O4 Formula Weight: 425.50 MDL Number: MFCD00079394

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

    MilliporeSigma

    Storage: −196°C

  • Kinetin ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: 6-FurfurylaminopurineN6-Furfuryladenine Purity Limit: ≥ 99% (HPLC) CAS No.: 525-79-1 Molecular Formula: C10H9N5O Molecular Weight: 215.2 MDL No.: MFCD00075757 Appearance: White to off-white crystalline powder Comments: Plant growth regulator Melting Point: …

  • Krebs-Heneseleit buffer solution

    Alfa Aesar

  • KiCqStart(R) SYBR(R) Green qPCR ReadyMix(TM), with ROX(TM) for ABI instruments

    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 Kynurenic acid >=98%

    MilliporeSigma

    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.) …

  • SIGMA KDM4DL human recombinant, expressed in baculovirus infected Sf9 cells, >…

    MilliporeSigma

    Synonym(s): KDM4D-like; KDM4DL; lysine (K)-specific demethylase 4E Purity: ≥70% (SDS-PAGE) Storage: −70°C

  • Kurtoxin,

    MilliporeSigma

    Formula: C324H478N94O90S8 Formula Weight: 7386.36 Linear Formula: C324H478N94O90S8 MDL No.: MFCD04119124 Storage: -20C UNSPSC Code: 12352200 Amino Acid Sequence: …

  • Krebs-Ringer Solution, bicarbonate-buffered

    Alfa Aesar

  • Ketotifen hydrogen fumarate

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Ketotifen fumarate salt Empirical Formula: C19H19NOS -+ C4H4O4 Formula Weight: 425.50 Linear Formula: C19H19NOS -+…

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