Reagents, K

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  • SIGMA Kinetin >=99.0% (HPLC)

    MilliporeSigma

    Synonym(s): 6-Furfurylaminopurine; N 6 -Furfuryladenine Empirical Formula: C10H9N5O Linear Formula: C10H9N5O Formula Weight: 215.21 MDL Number: MFCD00075757 Purity: ≥99.0% (HPLC) Melting Point: 264-270…

  • SIGMA KISS-1 125-144 >=97% (HPLC)

    MilliporeSigma

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

  • "Kaolinite, natural"

    MilliporeSigma

    Synonym(s): Aluminum silicate Formula: Al2O3 · 2SiO2 · 2H2O Formula Weight: 258.16 CAS No.: 1318-74-7

  • a-Ketoglutaric acid

    MilliporeSigma

    ≥99.0% (T) Synonym(s): alpha-Ketoglutaric acid; 2-Oxoglutaric acid; 2-Oxopentanedioic acid Empirical Formula: C5H6O5 Formula Weight: 146.10 Linear Formula: HOOCCH2CH2COCOOH MDL Number: MFCD00004165 Purity: …

  • Ketoconazole

    MilliporeSigma

    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): Ketoconazole; (±)- cis -1-Acetyl-4-(4-[(2-[2,4-dichlorophenyl]-2-[1H-imidazol-1-ylmethyl]-1,3-dioxolan-4-yl)-methoxy]phenyl)piperazine Empirical Formula: …

  • Ketoconazole

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard 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 Formula Weight:…

  • 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:…

  • Kerosene, purum

    MilliporeSigma

    CAS No.: 8008-20-6 Density: 0.8 g/mL at 25 °C(lit.) Other Notes: Sales restrictions may apply

  • 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 KiCqStart® Probe qPCR ReadyMix™, ROX™ with ROX-áfor ABI instruments

    MilliporeSigma

    Synonym(s): Kicqstart ® Probe qPCR ReadyMix ™ Storage: −20°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

  • 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

  • King Agar A

    MilliporeSigma

    for microbiology Synonym(s): Pseudomonas Agar (for Pyocyanin); Pseudomonas Agar P; Tech Agar

  • K38 Keratinocyte Cell Line

    MilliporeSigma

    Synonyms: K 38; K38; KSC; KSPC Included Fees: C940A94 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA Kanamycin sulfate mixture of Kanamycin A (main component) and Kanamycin B…

    MilliporeSigma

    Linear Formula: C18H36-37N4-5O10-11 -+ H2SO4 MDL Number: MFCD00070253 Beilstein Registry Number: 3874279

  • 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

  • SIGMA Kolliphor® HS 15

    MilliporeSigma

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

  • 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…

  • 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 …

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

    MilliporeSigma

    Storage: −20°C

  • SIGMA Ki 16425 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 3-[[[4-[4-[[[1-(2-Chlorophenyl)ethoxy]carbonyl]amino]-3-methyl-5-isoxazolyl]phenyl]methyl]thio]-propanoic acid; Ki16425 Empirical Formula: C23H23ClN2O5S Linear Formula: C23H23ClN2O5S Formula…

  • 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 …

  • 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.

  • 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 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 …

  • SIGMA Kolliphor® ELP

    MilliporeSigma

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

  • Kolliphor® RH 40

    MilliporeSigma

    CAS No.: 61788-85-0 Synonyms: Cremophor ® RH 40; Macrogolglycerol hydroxystearate; PEG-40 castor oil; Polyoxyl 40 hydrogenated castor oil MDL No.: MFCD01771439 Flash Point (F): 467.6 °F Flash Point (C): 242 °C

  • SUPELCO Kieselguhr, calcined, purified

    MilliporeSigma

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

  • KF-Streptococcus Agar

    MilliporeSigma

    for microbiology Synonym(s): Kenner Fecal Agar

  • 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…

  • 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. …

  • SIGMA 2-Keto-3-deoxy-D-gluconic acid lithium salt >=95% (TLC)

    MilliporeSigma

    Synonym(s): 3-Deoxy-D-erythro-2-hexulosonic acid lithium salt; KDG; Lithium 2-keto-3-deoxy-D-gluconate Empirical Formula: C6H10O6 -+ xLi + Linear Formula: C6H10O6 -+ xLi + Formula Weight: 178.14 (free acid basis) …

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