Reagents, K

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Reagents, K

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  • SIGMA Ketanserin (+)-tartrate salt >=97%, solid

    MilliporeSigma

    Synonym(s): 3-(2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl)-2,4(1H,3H)-quinazolinedione (+)-tartrate salt; R 41468 (+)-tartrate salt Empirical Formula: C22H22FN3O3 -+ C4H6O6 Linear Formula: …

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

    MilliporeSigma

    Storage: −20°C

  • SIGMA KELLY Cell Line human neuroblastoma

    MilliporeSigma

    Storage: −196°C

  • Ketoprofen

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): 2-(3-Benzoylphenyl)propionic acid Empirical Formula: C16H14O3 Formula Weight: 254.28 Linear Formula: C16H14O3 MDL Number: MFCD00055790

  • "Kaiser test kit, "

    MilliporeSigma

    Synonym(s): Ninhydrin test kit UN Number: UN1282 Application: Test for the detection of free amino groups. In solid-phase peptide synthesis, it shows incomplete coupling. 1,

  • SUPELCO Kieselguhr

    MilliporeSigma

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

  • 6-Ketocholestanol

    Spectrum Chemical

    CAS No.: 1175-06-0

  • Kojic acid, 99%

    Alfa Aesar

    Synonym(s): 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one Formula: C6H6O4 Formula weight: 142.11 Purity: 99% CAS Number: 501-30-4 Harmonized Tariff Code:  2941.90 Hazard Statements: H351 Suspected of causing cancer. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a …

  • 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.

  • Kerosene, reagent grade, low odor

    MilliporeSigma

    CAS No.: 8008-20-6 Density: 0.8 g/mL at 25 °C(lit.) Quantity: 3.8 L = 1 gal 18.9 L = 5 gal Packaging: 18.9 L in steel drum Packaging: 3.8 L in glass bottle

  • Khellin, analytical standard

    MilliporeSigma

    CAS No.: 82-02-0 Synonyms: 4,9-Dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one Formula: C14H12O5 Formula Weight: 260.24 Linear Formula: C14H12O5 MDL No.: MFCD00005007 Purity: ≥98.0% (HPLC) Boiling…

  • 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 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

  • KARPAS-929, 06072606, from human bone marrow

    MilliporeSigma

    Synonyms: KARPAS 929; KARPAS, 929; KARPAS929 UNSPSC Code: 12352200

  • 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: …

  • 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

  • SIGMA KN-62 >=95%, powder

    MilliporeSigma

    Synonym(s): ( S )-5-Isoquinolinesulfonic acid 4-[2-[(5-isoquinolinylsulfonyl)methylamino]-3-oxo-3-(4-phenyl-1-piperazinyl)propyl]phenyl ester; 1-[N,O-bis(5-Isoquinolinesulfonyl)-N-methyl-L-tyrosyl]-4-phenylpiperazine Empirical Formula: …

  • 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.

  • Kerosene (Low Odor) 4 L Baker

    Avantor - J.T.Baker®

    For Laboratory, Research or Manufacturing Use. Comes in a 4 Liter narrow mouth amber glass bottle. CAS Number: 8008-20-6 IMO: 3:1223 HTS Number: 2710192600 Specific Gravity: 1L = 0.80 Kg Flash Point: 38.00° C Management of Change: N

  • 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…

  • Kaempferol, primary pharmaceutical reference standard

    MilliporeSigma

    CAS No.: 520-18-3 Synonyms: 3,4′,5,7-Tetrahydroxyflavone; 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4 H -1-benzopyran-4-one; Robigenin Formula: C15H10O6 Formula Weight: 286.24 Linear Formula: C15H10O6 MDL No.: MFCD00016938

  • Krebs-Ringer Solution, HEPES-buffered

    Alfa Aesar

  • 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.

  • SIGMA KiCqStart® One-Step Probe RT-qPCR ReadyMix™, Low ROX™ with Low ROX for ABI…

    MilliporeSigma

    Synonym(s): KiCqStart ® One Step Probe RT-qPCR Readymix ™ Storage: −20°C

  • "Kresoxim-methyl, PESTANAL®, analytical standard"

    MilliporeSigma

    Synonyms: Methyl ( E )-α-(methoxyimino)-2-(2-methylphenoxymethyl)phenylacetate; Kresoxim-methyl Formula: C18H19NO4 Formula Weight: 313.35 CAS No.: 143390-89-0 Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

  • Kligler Agar

    MilliporeSigma

    for microbiology Synonym(s): Kligler Iron Agar

  • SIGMA Kojibiose >=98% (HPAE/PAD)

    MilliporeSigma

    Synonym(s): α-D-Glc-(1→2)-D-Glc; 2-O-α-D-Glucopyranosyl-D-glucose Empirical Formula: C12H22O11 Linear Formula: C12H22O11 Formula Weight: 342.30 MDL Number: MFCD00214308 Purity: ≥98% (HPAE/PAD) …

  • 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…

  • SIGMA KS-176 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): N-[4-(2-Hydroxyethyl)phenyl]-2-[(4-nitrobenzoyl)amino]-benzamide Empirical Formula: C22H19N3O5 Linear Formula: C22H19N3O5 Formula Weight: 405.40 MDL Number: MFCD22666402 Purity: …

  • Kerosene, low odor

    Alfa Aesar

    Synonym(s): Kerosine CAS Number: 64742-47-8 Harmonized Tariff Code:  2710.19 Hazard Statements: H304-H227 May be fatal if swallowed and enters airways. Combustible liquid. Precautionary Statements: P210-P280-P301+P310-P405-P403+P235-P501a Keep away from heat/sparks/open flames/hot…

  • 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

  • SIGMA Ksp I from Kluyvera sp. Restriction Enzyme

    MilliporeSigma

    MDL Number: MFCD01094165 Storage: −20°C

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