Reagents, K

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  • Kappa Light Chains (Free) from human myeloma plasma, purified immunoglobulin, ~1…

    MilliporeSigma

    MDL No.: MFCD03792373 Purity: >=99% (electrophoresis) Storage: -20C UNSPSC Code: 12352203 General description: kappa Light Chains (free) is obtained from human IgG kappa myeloma sera. Fractionation, ion-exchange, and affinity chromatography procedures are used for purification. …

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

    MilliporeSigma

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

  • Ketoprofen

    Alfa Aesar

    Synonym(s): (2-[3-Benzoylphenyl]propionic acid) Formula: C16H14O3 Formula weight: 254.29 CAS Number: 22071-15-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2918.30 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin…

  • 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

  • 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…

  • Khellin

    MilliporeSigma

    for microscopy, mp ≥98.0 Synonym(s): 4,9-Dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one Empirical Formula: C14H12O5 Formula Weight: 260.24 Linear Formula: C14H12O5 MDL Number: MFCD00005007 Purity: …

  • 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.

  • 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 -+…

  • KARPAS 231, 06120601, from human blood(leukemia)

    MilliporeSigma

    Synonyms: KARPAS, 231 UNSPSC Code: 12352200

  • Detergents Reagent Set

    Hach

    For determination of Detergents (Surfactants) by the Crystal Violet method (Hach Method 8028). Range: 0.002 - 0.275 mg/L LAS. CAS #s: 548-62-9, 71-43-2, 7757-82-6, 7681-38-1

  • SIGMA Ketone Body Assay sufficient for 200 tests (UV)

    MilliporeSigma

    Storage: −20°C

  • SIGMA Kit for Molecular Weights 14,000-500,000 Non-denaturing

    MilliporeSigma

    Storage: −20°C

  • 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 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: …

  • ALDRICH K-Oxyma, 97%

    MilliporeSigma

    Synonym(s): 2-Cyano-2-(hydroxyimino)acetic acid ethyl ester, potassium salt; Ethyl (hydroxyimino)cyanoacetate potassium salt Empirical Formula: C5H5KN2O3 Linear Formula: C5H5KN2O3 Formula Weight: …

  • Krebs-Ringer Solution, HEPES-buffered

    Alfa Aesar

  • Kollidon® 25

    MilliporeSigma

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

  • 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

  • Ketamine impurity A

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 1-[(2-Chlorophenyl)(methylimino)methyl]cyclopentanol Empirical Formula: C13H16ClNO Formula Weight: 237.73 Linear Formula: C13H16ClNO

  • SIGMA Keratinocyte Growth Factor human KGF, recombinant, expressed in E. coli,…

    MilliporeSigma

    Synonym(s): hFGF-7; hKGF; FGF-7; KGF MDL Number: MFCD00212245 Purity: ≥95% (SDS-PAGE and HPLC) Storage: −20°C

  • Ko143 hydrate =98% (HPLC)

    MilliporeSigma

    Synonym: (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic acid 1,1-dimethylethyl ester hydrate CAS Number: 461054-93-3 (anhydrous) Empirical Formula (Hill Notation): …

  • Krebs-Ringer Solution, bicarbonate-buffered

    Alfa Aesar

  • SIGMA Ketoprofen >=98% (TLC)

    MilliporeSigma

    Synonym(s): 2-(3-Benzoylphenyl)propionic acid Empirical Formula: C16H14O3 Linear Formula: C16H14O3 Formula Weight: 254.28 MDL Number: MFCD00055790 Purity: ≥98% (TLC)

  • Kinetin

    Spectrum Chemical

    CAS No.: 525-79-1

  • 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

  • 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 …

  • Kauri-Butanol Solution

    Spectrum Chemical

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

  • Ketamine hydrochloride/xylazine hydrochloride solution,

    MilliporeSigma

    MDL No.: MFCD00798875 Storage: 2-8C UNSPSC Code: 12352200 Biochem/physiol Actions: This is a solution of ketamine hydrochloride, an NMDA receptor antagonist, and xylazine hydrochloride, an alpha2- adrenergic receptor agonist. Other Notes: Telephone orders are not accepted for this product.

  • SIGMA Kolliphor® HS 15

    MilliporeSigma

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

  • Kieselguhr

    Alfa Aesar

    Synonym(s): Diatomaceous earth CAS Number: 7631-86-9 Harmonized Tariff Code:  2512.00 Hazard Statements: H319-H335 Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing…

  • 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,…

  • SIGMA Kaempferol 3-B-D-glucopyranoside >=97.0% (HPLC)

    MilliporeSigma

    Synonym(s): 3-(β-D-Glucopyranosyloxy)-5,7-dihydroxy-2-(4-methoxyphenyl)-4 H -1-benzopyran-4-one; 3-Glucosylkaempferol; Astragalin; Kaempferol 3-glucoside Empirical Formula: C21H20O11 Linear Formula: C21H20O11 Formula…

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