Reagents, K

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  • SIGMA Kollicoat® MAE 30 DP 46.0-50.6% methacrylic acid basis (calc. on solids…

    MilliporeSigma

    Synonym(s): Methacrylic acid copolymer dispersion; Methacrylic acid-ethyl acrylate copolymer (1:1) dispersion 30 % Purity: 46.0-50.6% methacrylic acid basis (calc. on solids content) Density: 1.062-1.072

  • Ketorolac trometamol for peak identification

    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: …

  • Kanamycin Esculin Azide Agar

    MilliporeSigma

    for microbiology

  • SIGMA Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    MilliporeSigma

    Synonym(s): Kanamycin A; Kanamycin acid sulfate MDL Number: MFCD00143916

  • 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:…

  • SIGMA Kinetin riboside proapoptotic anitproliferative plant growth regulator

    MilliporeSigma

    Synonym(s): 6-Furfurylaminopurine riboside; N 6 -(2-Furanyl-¡methyl)adenosine; N 6 -Furfuryladenosine Empirical Formula: C15H17N5O5 Linear Formula: C15H17N5O5 Formula Weight: 347.33 MDL Number: …

  • 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,…

  • 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 …

  • SUPELCO Kieselguhr

    MilliporeSigma

    calcined, purified Synonym(s): Infusorial earth MDL Number: MFCD00132803

  • "Keracyanin chloride, analytical standard"

    MilliporeSigma

    Synonyms: Cyanidin-3- O -rutinoside chloride Formula: C27H31ClO15 Formula Weight: 630.98 CAS No.: 18719-76-1 Purity: ≥98.0% (HPLC) Storage Temperature: −20°C

  • Kundrat Agar

    MilliporeSigma

    for microbiology Synonym(s): Test Agar for the Residue Test according to Kundrat

  • 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 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 …

  • "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

  • ALDRICH 2-Keto-3-deoxyoctonate ammonium salt, >=97%

    MilliporeSigma

    Synonym(s): 3-Deoxyoctulosonic acid; KDO Empirical Formula: C8H14O8 -+ H3N Linear Formula: C8H14O8 -+ NH3 Formula Weight: 255.22 MDL Number: MFCD00057549 Purity: ≥97% Storage: −20°C

  • 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,…

  • KT 5720, >=98% (HPLC), powder

    MilliporeSigma

    Synonyms: (9S,10S,12R)-2,3,9,10,11,12-Hexahydro-10-hydroxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylic acid hexyl ester CAS Number: 108068-98-0 Formula: C32H31N3O5 Formula Weight: 537.61 Linear Formula: C32H31N3O5 MDL…

  • Ketoconazole

    MilliporeSigma

    United States Pharmacopeia (USP) 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…

  • 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: …

  • SIGMA K-Casein from bovine milk >=70% (PAGE), lyophilized powder

    MilliporeSigma

    MDL Number: MFCD00081481 Purity: ≥70% (PAGE) Storage: −20°C

  • Koenigicine

    MilliporeSigma

    analytical standard Synonym(s): 3,11-Dihydro-8,9-dimethoxy-3,3,5-trimethylpyrano[3,2- a ]carbazole; Kenimbidine; Koenidine; Koenimbidine; NSC 127151 Empirical Formula: C20H21NO3 Formula Weight: 323.39 Linear Formula: …

  • 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 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…

  • K38 Keratinocyte Cell Line, 11090602

    MilliporeSigma

    Synonyms: K 38; K38; KSC; KSPC UNSPSC Code: 12352200

  • Kerosene, purum

    MilliporeSigma

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

  • SIGMA kb-NB142-70 >=97% (HPLC)

    MilliporeSigma

    Synonym(s): 3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one Empirical Formula: C11H9NO2S2 Linear Formula: C11H9NO2S2 Formula Weight: 251.32 MDL Number: MFCD18086915 Purity: …

  • 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

  • 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. …

  • 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: …

  • Kanamycin B sulfate salt

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Bekanamycin sulfate salt Empirical Formula: C18H37N5O10 -+ xH2SO4 Formula Weight: 483.51 (free base basis) Linear Formula: …

  • 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

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