Reagents, K

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  • 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: …

  • Ketotifen fumarate, 99%

    Alfa Aesar

    Formula: C19H19NOS.C4H4O4 Formula weight: 425.50 Purity: 99% CAS Number: 34580-14-8 Harmonized Tariff Code:  2934.99 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke…

  • Ketoprofen Related Compound A, United States Pharmacopeia (USP) Reference…

    MilliporeSigma

    CAS No.: 107257-20-5 Synonyms: α-Methyl-3-(4-methylbenzoyl)benzeneacetic acid; 2-[3-(4-Methylbenzoyl)phenyl]propionic acid Formula: C17H16O3 Formula Weight: 268.31 Linear Formula: C17H16O3

  • "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

  • SIGMA Kainic acid monohydrate >=99% (TLC)

    MilliporeSigma

    Synonym(s): 2-Carboxy-3-carboxymethyl-4-isopropenylpyrrolidine Empirical Formula: C10H15NO4 -+ H2O Linear Formula: C10H15NO4 -+ H2O Formula Weight: 231.25 MDL Number: MFCD00150833 Purity: …

  • 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

  • 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

  • Kanamycin disulfate, 700 µg/mg

    Alfa Aesar

    Synonym(s): Kanamycin A, Kanamycin acid sulfate Formula: C18H36N4O11 2H2SO4 Formula weight: 680.65 CAS Number: 64013-70-3 Harmonized Tariff Code:  2941.90 Risk Phrases: 61 May cause harm to the unborn child. Safety Phrases: 53-20-36-45-60 Avoid exposure - obtain special…

  • 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 KiCqStart® Probe qPCR ReadyMix™, Low ROX™ with Low ROX for ABI and…

    MilliporeSigma

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

  • K-252a, from Nonomuraea longicatena, >=98% (HPLC)

    MilliporeSigma

    CAS Number: 99533-80-9 Formula: C27H21N3O5 Formula Weight: 467.47 Linear Formula: C27H21N3O5 MDL No.: MFCD00161522 Purity: >=98% (HPLC) Storage: -20C UNSPSC Code: 12352200

  • 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 KU-812E

    MilliporeSigma

    Storage: −196°C

  • 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) …

  • ROCHE Kanamycin sulfate

    MilliporeSigma

    Purity: (Chromatographically homogeneous) UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Application: Aminoglycosidic antibiotic with broad-spectrum inhibition of the growth of gram-positive and gram-negative bacteria and mycoplasmas in cell culture. It is also used to…

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

    MilliporeSigma

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

  • Kerosene, Petroleum Distillate

    Spectrum Chemical

    CAS No.: 8008-20-6 UN No.: UN1223 Class: 3 Pkg. Group: PG III

  • 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 -+…

  • "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,

  • Karaya gum

    MilliporeSigma

    Synonym(s): Gum karaya from sterculia tree; Tragacanth Indian MDL Number: MFCD00131251

  • Kallikrein from human plasma, buffered aqueous solution, >=5 units/mg protein

    MilliporeSigma

    Synonyms: Kininogenase; Kininogenin CAS Number: 2593596 MDL No.: MFCD00131428 Storage: -20C Enzyme Commission (EC) Number: 3.4.21.34  ( BRENDA   IUBMB ) UNSPSC Code: 12352204 Physical form: Solution in 20 mM Tris-HCl, pH 7.8 with 100 mM NaCl. Unit…

  • Kerosene, Odorless

    Ricca Chemical

  • ALDRICH (S)-(+)-Ketoprofen, 99%

    MilliporeSigma

    Synonym(s): ( S )-(+)-3-Benzoyl-α-methylbenzeneacetic acid; ( S )-2-(3-Benzoylphenyl)propionic acid Formula: C6H5COC6H4CH(CH3)CO2H Formula Weight: 254.28 CAS No.: 22161-81-5 UN Number: UN2811 Purity: 99% …

  • Kinase buffer I (5X)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • SIGMA 2-Keto-D-gluconic acid hemicalcium salt hydrate

    MilliporeSigma

    Synonym(s): D-Arabino-2-hexulopyranosonic acid hemicalcium salt hydrate; Calcium 2-keto-D-gluconate Empirical Formula: C6H9Ca0.5O7 -+ xH2O Linear Formula: C6H9O7 -+ -+Ca -+ xH2O Formula…

  • Kaolin

    MP Biomedicals

    Kaolin, also called china clay, soft white clay that is an essential ingredient in the manufacture of china and porcelain and is widely used in the making of paper, rubber, paint, and many other products. Kaolins are used in a multiplicity of industries because of unique physical and chemical…

  • 2-Ketoglutaric acid, 98%

    Alfa Aesar

    Synonym(s): 2-Oxoglutaric acid Formula: C5H6O5 Formula weight: 146.10 Purity: 98% CAS Number: 328-50-7 Harmonized Tariff Code:  2918.30 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • SIGMA Ketotifen fumarate salt

    MilliporeSigma

    Empirical Formula: C19H19NOS -+ C4H4O4 Linear Formula: C19H19NOS -+ C4H4O4 Formula Weight: 425.50 MDL Number: MFCD00079394

  • 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:…

  • King Agar A

    MilliporeSigma

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

  • ALDRICH Ketone Moschus, >=97.0% (N)

    MilliporeSigma

    Synonym(s): 4- tert -Butyl-2,6-dimethyl-3,5-dinitroacetophenone; Musk ketone Empirical Formula: C14H18N2O5 Linear Formula: C14H18N2O5 Formula Weight: 294.30 MDL Number: MFCD00024271 Purity: …

  • SUPELCO 2% KOH Coated Silica Gel

    MilliporeSigma

    pkg of 100 g bulk packing

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