Reagents, U

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  • Urease, Jack Beans

    Alfa Aesar

    Synonym(s): EC 3.5.1.5, Urea amidohydrolase CAS Number: 9002-13-5 Harmonized Tariff Code:  3507.90 Hazard Statements: H334-H335-H315-H319 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation. Causes skin irritation. Causes serious…

  • Uranyl ionophore I

    MilliporeSigma

    Selectophore ™ Synonym(s): ETH 295; N,N'-Diheptyl-N,N',6,6-tetramethyl-4,8-dioxaundecanediamide Empirical Formula: C27H54N2O4 Formula Weight: 470.73 Linear Formula: C27H54N2O4 MDL Number: …

  • Urea

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Formula Weight: 60.06 Linear Formula: NH2CONH2 MDL Number: MFCD00008022 Melting Point: 132-135 °C(lit.) …

  • Urea, ACS reagent, 99.0-100.5%

    MilliporeSigma

    Synonyms: Carbamide; Carbonyldiamide Formula: NH2CONH2 Formula Weight: 60.06 CAS No.: 57-13-6 Purity: 99.0-100.5% Density: 1.335 g/mL at 25 °C(lit.) Application: Used for the denaturation of proteins and as a mild solubilization agent for insoluble or…

  • SIGMA U2OS GFP-ACTB

    MilliporeSigma

    Storage: −196°C

  • Univer 3 Powder, 454G

    Hach

    Combined indicator and buffer for determination of total hardness by titration methods. 454 g bottle

  • SIGMA Uric Acid Assay Kit sufficient for 100 colorimetric-áor-áfluorometric…

    MilliporeSigma

    Storage: −20°C

  • Listeria Selective Enrichment Broth (UVM formulation), Granulated

    MilliporeSigma

    For the selective enrichment of Listeria in the two stage procedure according to USDA- FSIS. If supplemented with Listeria Selective Supplement UVM-II (EMD No. 1.04039.0001), the medium serves for the two stage procedure described by USDA-FSIS. Synonym(s): UVM Broth Typical Composition (g/L): …

  • ALDRICH Urea hydrogen peroxide, 97%

    MilliporeSigma

    Synonym(s): Hydrogen peroxide-Urea adduct; Carbamide Per hydrate; Carbamide peroxide; Percarbamide; Urea hydrogen peroxide Formula: CO(NH2)2 · H2O2 Formula Weight: 94.07 CAS No.: 124-43-6 UN Number: UN1511 Purity: 97% Application: …

  • Replacement KTO For Univer 2

    Hach

  • Fluka Universal indicator solution pH pH 3-10

    Honeywell

    Storage condition: Room Temperature UN Number: UN 1170 Package Type: Plastic Bottle C.A.S. Number 1: Solution Density (g/cm3): No data available Flash Point (°C): 19 °C Chemical name: Universal indicator solution pH Chemical synonyms: pH Indicator solution, universal pH…

  • Undecane

    MilliporeSigma

    analytical standard Synonym(s): n -Undecane; Hendecane Empirical Formula: C11H24 Formula Weight: 156.31 Linear Formula: CH3(CH2)9CH3 MDL Number: MFCD00008959 Purity: ≥99.8% (GC) Boiling Point: …

  • SIGMA Urea solution BioUltra, ~8 M in H2O

    MilliporeSigma

    Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Linear Formula: NH2CONH2 Formula Weight: 60.06 MDL Number: MFCD00008022 Refractive Index: n 20/D 1.40 Beilstein Registry Number: 635724

  • SIAL Urea

    MilliporeSigma

    puriss., meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance) Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Formula Weight: 60.06 Linear Formula: NH2CONH2 MDL…

  • Urea

    MP Biomedicals

    Urea is a prinicipal protein metabolite end product of nitrogen metabolism in most mammals, formed by the enzymatic reactions of the Kreb's cycle and the major product for the removal of free ammonia (NH4+) in vivo. Urea is a mild agent usually used in the solubilization and denaturation of…

  • Urease from Canavalia ensiformis (Jack bean), Type III, powder, 15,000-50,000…

    MilliporeSigma

    CAS Number: 9002-13-5 EC Number: 232-656-0 Enzyme Commission (EC) Number: 1 3.5.1.5 MDL Number: MFCD00070858 Unit Definition One micromolar unit will liberate 1.0 µmole of NH3 from urea per min at pH 7.0 at 25 °C. It is equivalent to 1.0 I.U. or 0.054…

  • Urea Broth

    MilliporeSigma

    for microbiology

  • Uridine, 99%

    Alfa Aesar

    Formula: C9H12N2O6 Formula weight: 244.20 Purity: 99% CAS Number: 58-96-8 Harmonized Tariff Code:  2934.99

  • SIGMA Urease from Canavalia ensiformis (Jack bean)

    MilliporeSigma

    MDL Number: MFCD00070858 Storage: −20°C

  • SIGMA Uric acid sodium salt

    MilliporeSigma

    Synonym(s): 2,6,8-Trihydroxypurine; Sodium acid urate Empirical Formula: C5H3N4NaO3 Linear Formula: C5H3N4O3Na Formula Weight: 190.09 MDL Number: MFCD00067310

  • ROCHE Uracil-DNA Glycosylase, recombinant from E. coli K 12

    MilliporeSigma

    Storage: −20°C UNSPSC Code: 41105600 RIDADR: NONH for all modes of transport Application: Uracil-DNA Glycosylase can be used to cleave DNA at any site where a deoxyuridylate residue has been incorporated. U-DNA can be prepared by in vitro methods like PCR. General,…

  • Urea, ACS, 99.0-100.5%

    Alfa Aesar

    Synonym(s): Carbamide Formula: NH2CONH2 Formula weight: 60.06 Purity: 99.0-100.5% CAS Number: 57-13-6 Harmonized Tariff Code:  3102.10

  • Urea

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Formula Weight: 60.06 Linear Formula: NH2CONH2 MDL Number: MFCD00008022 Melting Point: 132-135 °C(lit.) …

  • SIGMA U-87 MG Cell Line human glioblastoma astrocytoma

    MilliporeSigma

    Storage: −196°C

  • ALDRICH Umbelliferone, 99%

    MilliporeSigma

    Synonym(s): 7-Hydroxy-2 H -1-benzopyran-2-one; 7-Hydroxycoumarin Formula: C9H6O3 Formula Weight: 162.14 CAS No.: 93-35-6 Purity: 99% Packaging: 10, 25, 100 g in poly bottle

  • Uranium Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in water with dilute nitric acid

  • BTEX Mix, Underground Storage Tank certified reference material, TraceCERT®, 200…

    MilliporeSigma

    Synonym: BTEX Solution, UST BTEX Mix Legal Information Trace CERT is a registered trademark of Sigma-Aldrich Co. LLC

  • Uracil =99.0%

    MilliporeSigma

    Synonym: 2,4(1 H ,3 H )-Pyrimidinedione, 2,4-Dihydroxypyrimidine, 2,4-Pyrimidinediol CAS Number: 66-22-8 Empirical Formula (Hill Notation: C4H4N2O2 Molecular Weight: 112.09 Beilstein Registry Number: 507828 EC Number: …

  • Urea

    Bio Basic Inc.

  • Uracil 1-ß-D-arabinofuranoside ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: 1-ß-D-Arabinofuranosyluracil Purity Limit: ≥ 99% (HPLC) CAS No.: 3083-77-0 Molecular Formula: C9H12N2O6 Molecular Weight: 244.2 MDL No.: MFCD00065998 Appearance: White, off-white to faint yellow crystall Storage Temperature: 0-8 ºC

  • SIGMA Urea, powder, BioReagent, for molecular biology, suitable for cell culture

    MilliporeSigma

    Synonyms: Carbamide; Carbonyldiamide Formula: NH2CONH2 Formula Weight: 60.06 CAS No.: 57-13-6 Density: 1.335 g/mL at 25 °C(lit.) Application: Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful…

  • Uric acid, 99%

    Alfa Aesar

    Formula: C5H4N4O3 Formula weight: 168.11 Purity: 99% CAS Number: 69-93-2 Harmonized Tariff Code:  2933.59

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