Sigma-Aldrich

Reagents, K, Sigma-Aldrich

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  • FLUKA Ketoprofen impurity C

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 3-[(1 RS )-1-Carboxyethyl]benzoic acid; 3-Carboxy-α-methylbenzeneacetic acid Empirical Formula: C10H10O4 Formula Weight: 194.18 Linear Formula: C10H10O4

  • FLUKA King Agar B, for microbiology, 500 g

    Sigma-Aldrich

  • FLUKA Ketoprofen impurity A

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 1-(3-Benzoylphenyl)ethanone Empirical Formula: C15H12O2 Formula Weight: 224.25 Linear Formula: C15H12O2

  • Kollisolv® PEG E 400

    Sigma-Aldrich

    CAS No.: 25322-68-3 Synonyms: Poly(ethylene glycol); Lutrol ® E 400; Macrogol 400; Polyethylene glycol 400; PEG Linear Formula: H(OCH2CH2)nOH MDL No.: MFCD00081839

  • Kovac's reagent for indoles, for microbiology

    Sigma-Aldrich

    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 Klotho human recombinant, expressed in CHO cells, >=98% (SDS-PAGE), >=98% …

    Sigma-Aldrich

    Synonym(s): KLA Purity: ≥98% (HPLC); ≥98% (SDS-PAGE) Storage: −20°C

  • Kanamycin sulfate from Streptomyces kanamyceticus, Animal Component-free

    Sigma-Aldrich

    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 Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    Sigma-Aldrich

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

  • Kinetin BioReagent, plant cell culture tested, amorphous powder

    Sigma-Aldrich

    Synonym: 6-Furfurylaminopurine, N 6 -Furfuryladenine CAS Number: 525-79-1 Empirical Formula (Hill Notation): C10H9N5O Molecular Weight: 215.21 Beilstein Registry Number: 21703 EC Number: 208-382-2 MDL Number: MFCD00075757 …

  • SIGMA KiCqStart® SYBR® Green qPCR ReadyMix™ with ROX™ for ABI instruments

    Sigma-Aldrich

    Storage: −20°C Included Fees: C961B74 has a Dry/Wet Ice Fee included in the price. C961B75 has a Dry/Wet Ice Fee included in the price. C961B76 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • FLUKA Karl Fischer reagent solution A

    Sigma-Aldrich

    for pyridine-based volumetric KF titration (pyridine, sulfur dioxide, methanol) Density: ~1.01 g/mL Storage: 2-8°C RIDADR: UN 1992 3/PG 2 Included Fees: C955Q41 has a Small Barrier Pack Fee included in the price. To see the value of these fees, download our Fee List.

  • SIGMA Kolliphor® EL pH-range 6.0 - 8.0

    Sigma-Aldrich

    Synonym(s): Cremophor ® EL; Macrogolglycerol ricinoleate; PEG-35 castor oil; Polyoxyl 35 hydrogenated castor oil; Polyoxyl-35 castor oil MDL Number: MFCD00130879

  • FLUKA a-Ketoglutaric acid

    Sigma-Aldrich

    ≥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: …

  • Kerosene, purum

    Sigma-Aldrich

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

  • FLUKA Ketoconazole

    Sigma-Aldrich

    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…

  • SIGMA Ketoconazole >=98% (HPLC)

    Sigma-Aldrich

    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 Linear Formula: …

  • SIAL Keratin azure

    Sigma-Aldrich

    MDL Number: MFCD00131435

  • SIGMA Ksp I from Kluyvera sp. Restriction Enzyme

    Sigma-Aldrich

    MDL Number: MFCD01094165 Storage: −20°C

  • FLUKA Kjeldahl Catalyst

    Sigma-Aldrich

    free of Hg and Se, tablets (2.5 g) MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • FLUKA Kjeldahl Catalyst according to Missouri

    Sigma-Aldrich

    tablets, without Hg, Se, Sb, Ti, Pt Synonym(s): Nitrogen determination (Missouri) MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • SIGMA Ketorolac tris salt >=99%, crystalline

    Sigma-Aldrich

    Synonym(s): (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid tris salt; Toradol Empirical Formula: C15H13NO3 -+ C4H11NO3 Linear Formula: C15H13NO3 -+…

  • SIAL Kanamycin sulfate from Streptomyces kanamyceticus

    Sigma-Aldrich

    meets USP testing specifications, powder Synonym(s): Kanamycin A; Kanamycin sulfate salt Empirical Formula: C18H36N4O11 -+ H2O4S Formula Weight: 582.58 Linear Formula: …

  • Kanamycin disulfate salt from Streptomyces kanamyceticus aminoglycoside…

    Sigma-Aldrich

    Synonym: Kanamycin A, Kanamycin acid sulfate CAS Number 64013-70-3 MDL number MFCD00143916 Preparation Note Kanamycin acid sulfate is prepared by solubilizing kanamycin sulfate in dilute sulfuric acid and drying. The sulfate content is approximately 25%. Application …

  • FLUKA Ketoconazole

    Sigma-Aldrich

    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: …

  • FLUKA Ketoprofen

    Sigma-Aldrich

    pharmaceutical secondary standard; traceable to USP, PhEur and BP Synonym(s): Ketoprofen; 2-(3-Benzoylphenyl)propionic acid Empirical Formula: C16H14O3 Formula Weight: 254.28 Linear Formula: C16H14O3 MDL Number: MFCD00055790

  • FLUKA Ketoprofen, VETRANAL™, analytical standard

    Sigma-Aldrich

    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. Legal Information: VETRANAL is a trademark of…

  • KARPAS 299

    Sigma-Aldrich

    Included Fees: C941H42 has a Dry/Wet Ice Fee included in the price. C941H43 has a Dry/Wet Ice Fee included in the price. C941H44 has a Dry/Wet Ice Fee included in the price. C941H41 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • Kaolin,

    Sigma-Aldrich

    Synonyms: Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate Formula: ~Al2Si2O5(OH)4 CAS No.: 1332-58-7 Packaging: 1 kg in poly bottle Packaging: 500 g in poly bottle

  • SIAL Kaolin

    Sigma-Aldrich

    Synonym(s): Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate Linear Formula: ~Al2Si2O5(OH)4 MDL Number: MFCD00062311 RTECS No.: GF1670500

  • FLUKA a-Ketoglutaric acid disodium salt hydrate

    Sigma-Aldrich

    ≥95% Synonym(s): 2-Oxopentanedioic acid disodium salt hydrate; Sodium 2-oxoglutarate dibasic hydrate Empirical Formula: C5H4Na2O5 -+ xH2O Formula Weight: 190.06 (anhydrous basis) Linear Formula: …

  • SIGMA Keratinocyte Growth Factor human, recombinant, expressed in HEK 293 cells,…

    Sigma-Aldrich

    Synonym(s): FGF-7; KGF CAS No.: 148348-15-6 Purity: ≥90% (SDS-PAGE) Analysis Note: The specific activity was determined by the dose-dependent stimulation of the proliferation of 4MBr-5 cells (monkey epithelial cell line). Preparation Note: HumanKine Keratinocyte Growth Factor…

  • SIGMA Kolliphor® P 188, solid, suitable for cell culture, suitable for insect…

    Sigma-Aldrich

    Synonym(s): Poly(ethylene glycol)- block -poly(propylene glycol)- block -poly(ethylene glycol); Lutrol ® F68; Poloxamer 188 CAS No.: 9003-11-6 Application: A non-ionic detergent that protects cells from hydrodynamic damage. Legal Information: Kolliphor is a registered trademark of BASF

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