Reagents, K

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  • 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: …

  • KARPAS-25, 6072601

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonyms: KARPAS 25; KARPAS, 25; KARPAS25 UNSPSC Code: 12352200

  • KDN, United States Pharmacopeia (USP) Reference Standard

    MilliporeSigma

    CAS No.: 22594-61-2 Synonyms: 3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid Formula: C9H16O9 Formula Weight: 268.22 Linear Formula: C9H16O9

  • Ketorolac trometamol

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Ketorolac tris salt; (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid tris salt; Toradol Empirical Formula: C15H13NO3 -+ C4H11NO3 Formula Weight: …

  • Kaempferol 3-O-alpha-L-arabinopyranoside, >=95% (HPLC)

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonyms: Juglalin; Kaempferol 3-O-alpha-L-arabinoside CAS Number: 99882-10-7 MDL No.: …

  • SIGMA KU-812E

    MilliporeSigma

    Storage: −196°C

  • 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

  • Ketoprofen

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 2-(3-Benzoylphenyl)propionic acid Empirical Formula: C16H14O3 Formula Weight: 254.28 Linear Formula: C16H14O3 MDL Number: MFCD00055790

  • 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

  • SIGMA KR-32568 >=98% (HPLC), solid

    MilliporeSigma

    Synonym(s): [5-(2-Methyl-5-fluorophenyl)furan-2-ylcarbonyl]guanidine Empirical Formula: C13H12FN3O2 Linear Formula: C13H12FN3O2 Formula Weight: 261.25 MDL Number: MFCD08705324 Purity: ≥98%…

  • SIGMA Kaurenoic acid >=95% (LC/MS-ELSD)

    MilliporeSigma

    Synonym(s): Ent-kaurenoic acid; Kaur-16-en-18-oic acid; Kauren-19-oic acid; Kaurenic acid Empirical Formula: C20H30O2 Linear Formula: C20H30O2 Formula Weight: 302.45 Purity: ≥95% (LC/MS-ELSD) Storage: −20°C

  • ALDRICH 2-Ketobutyric acid-4-13C,3,3-d2 sodium salt hydrate, 99 atom % 13C, 98…

    MilliporeSigma

    Synonym(s): 13 C and D Labeled 2-ketobutyric acid sodium salt hydrate; Sodium α-ketobutyrate-4- 13 C,3,3-d2 Empirical Formula: 13 CC3D2H3NaO3 -+ xH2O Linear Formula: 13 CH3CD2COCO2Na -+…

  • 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

  • "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

  • Kaolin, Powder, USP

    Spectrum Chemical

    Grade: USP CAS No.: 1332-58-7

  • 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 Kolliphor® HS 15

    MilliporeSigma

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

  • Ketobemidone impurity B

    MilliporeSigma

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

  • 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

  • Ketotriclabendazole

    MilliporeSigma

    VETRANAL ™ , analytical standard Synonym(s): 5-Chloro-6-(2,3-dichlorophenoxy)-1,3-dihydro-2 H -benzimidazol-2-one Empirical Formula: C13H7Cl3N2O2 Formula Weight: 329.57 Linear Formula: …

  • Kuromanin chloride, >=95% (HPLC)

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonyms: Asterin; Chrysanthemin; Cyanidin 3-O-glucoside chloride; Glucocyanidin chloride CAS…

  • 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 KELLY Cell Line human neuroblastoma

    MilliporeSigma

    Storage: −196°C

  • Kanamycin Sulfate

    bioWORLD

    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. Biotechnology Grade Potency: >750…

  • Klebsiella Selective Supplement

    MilliporeSigma

    for microbiology Synonym(s): Carbenicillin; α-Carboxybenzylpenicillin solution Empirical Formula: C17H18N2O6S Formula Weight: 378.40 Linear Formula: C17H18N2O6S MDL Number: MFCD00242604 …

  • Ketotifen Hydrogen Fumarate, EP

    Spectrum Chemical

    Grade: EP CAS No.: 34580-14-8

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

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Storage: -20C UNSPSC Code: 41106300 Features and Benefits: . Assay results in as little as…

  • K-252a, Ready Made Solution, from Nonomuraea longicatena, >98%

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   CAS Number: 99533-80-9 Formula: C27H21N3O5 Formula Weight: 467.47 Linear Formula: C27H21N3O5…

  • Ketamine hydrochloride/xylazine hydrochloride solution,

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   MDL No.: MFCD00798875 Storage: 2-8C UNSPSC Code: 12352200 Biochem/physiol Actions: This is a…

  • Ketoprofen Related Compound D hydrochloride, United States Pharmacopeia (USP)…

    MilliporeSigma

    CAS No.: 66067-44-5 Synonyms: 1-(3-Benzoylphenyl)ethanone; 3-Acetylbenzophenone Formula: C15H12O2 Formula Weight: 224.25 Linear Formula: C15H12O2

  • SUPELCO Kieselguhr, calcined, purified

    MilliporeSigma

    Synonyms: Infusorial earth CAS No.: 91053-39-3

  • Karbutylate

    MilliporeSigma

    PESTANAL ® , analytical standard Empirical Formula: C14H21N3O3 Formula Weight: 279.33 Linear Formula: C14H21N3O3 MDL Number: MFCD00078692 Beilstein Registry Number: 2871986 RTECS No.: EY9980000

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