Reagents, U

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Reagents, U

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  • 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

    bioWORLD

    Used for protein denaturation protocols and is a reagent for PAGE protocols. Ultra Pure Grade A280 (5M, water): Melting Range: 132-135°C Chloride: Heavy Metals (as PB): Iron: Cyanate: None detected Ammonia: None detected

  • Urea, USP grade

    bioWORLD

  • 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…

  • SIGMA Urea, BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)

    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…

  • 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…

  • Uranium Standard

    Ultra Scientific

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

  • 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: …

  • ALDRICH 10-Undecen-1-ol, 98%

    MilliporeSigma

    Synonym(s): Undecylenyl alcohol Formula: CH2=CH(CH2)9OH Formula Weight: 170.29 CAS No.: 112-43-6 Purity: 98% Density: 0.85g/mLat 25°C(lit.) Packaging: 25, 100 g in glass bottle

  • SIGMA Urea, for electrophoresis

    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…

  • SIGMA Urea, meets USP testing specifications

    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…

  • Urea, ReagentPlus®, =99.5%, pellets

    MilliporeSigma

    Synonyms: Carbamide; Carbonyldiamide Formula: NH2CONH2 Formula Weight: 60.06 CAS No.: 57-13-6 Purity: ≥99.5% 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…

  • 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…

  • ALDRICH Undecanal, 97%

    MilliporeSigma

    Synonym(s): Undecyl aldehyde Formula: CH3(CH2)9CHO Formula Weight: 170.29 CAS No.: 112-44-7 Purity: 97% Density: 0.825g/mLat 25°C(lit.) Application: Sex pheromone of the greater wax moth. Packaging: 25 g in glass bottle

  • SIGMA Uridine, powder, BioReagent, suitable for cell culture

    MilliporeSigma

    Synonym(s): 1-β-D-Ribofuranosyluracil; Uracil-1-β-D-ribofuranoside Formula: C9H12N2O6 Formula Weight: 244.20 CAS No.: 58-96-8 Purity: ≥99%

  • SIGMA Uracil, suitable for cell culture, BioReagent

    MilliporeSigma

    Synonym(s): 2,4(1 H ,3 H )-Pyrimidinedione; 2,4-Dihydroxypyrimidine; 2,4-Pyrimidinediol Formula: C4H4N2O2 Formula Weight: 112.09 CAS No.: 66-22-8

  • ALDRICH Undecylenic acid, natural, >=97%, FG

    MilliporeSigma

    Synonym(s): 10-Undecenoic acid; Undecylenic acid Empirical Formula: C11H20O2 Linear Formula: CH2=CH(CH2)8COOH Formula Weight: 184.28 MDL Number: MFCD00004442 Purity: ≥97% Boiling Point: …

  • ALDRICH Urazole, 97%

    MilliporeSigma

    Formula: C2H3N3O2 Formula Weight: 101.06 CAS No.: 3232-84-6 Purity: 97% Packaging: 5 g in glass bottle

  • ALDRICH 2-Undecanone, 99%

    MilliporeSigma

    Synonym(s): Methyl nonyl ketone Formula: CH3(CH2)8COCH3 Formula Weight: 170.29 CAS No.: 112-12-9 Purity: 99% Density: 0.825g/mLat 25°C(lit.) Packaging: 5, 250 mL in glass bottle

  • 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

  • Univer 3 Powder, 454G

    Hach

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

  • ALDRICH Undecylamine, Greater Than or Equal to 98.0% (GC)

    MilliporeSigma

    Synonym(s): 1-Amino-undecane Formula: CH3(CH2)10NH2 Formula Weight: 171.32 CAS No.: 7307-55-3 Purity: ≥98.0% (GC) Density: 0.796g/mLat 25°C(lit.) Packaging: 10 mL in glass bottle

  • ALDRICH (2-Hydroxyethyl)urea, 95%

    MilliporeSigma

    Formula: HOCH2CH2NHC(O)NH2 Formula Weight: 104.11 CAS No.: 2078-71-9 Purity: 95% Packaging: 25 g in glass bottle

  • 10-Undecen-1-ol, 98%

    GFS Chemicals

    H2C=CH(CH2)9OH CAS#: 112-43-6 F.W.: 170.30 (omega)-Undecylenyl Alcohol

  • n-Undecane, 99%

    Alfa Aesar

    Synonym(s): n-Hendecane Formula: C11H24 Formula weight: 156.30 Purity: 99% CAS Number: 1120-21-4 UN Number: UN2330 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2901.10 Hazard Statements: H304-H226-H315-H319-H335 May be fatal if swallowed and enters…

  • Universal Beer Agar

    MilliporeSigma

    for microbiology Synonym(s): UB Agar

  • "Universal Indicator paper pH 1-11, Triple color chart"

    MilliporeSigma

    Synonyms: PEHANAL Indicator paper pH 1-11 Packaging: Original box with triple color chart roll with approx. 5-ám

  • Urea

    MilliporeSigma

    analytical standard Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Formula Weight: 60.06 Linear Formula: NH2CONH2 MDL Number: MFCD00008022 Purity: ≥98.5% (HPLC) Melting Point: 132-135 °C(lit.) …

  • SIGMA Uridine >=99%

    MilliporeSigma

    Synonym(s): 1-β-D-Ribofuranosyluracil; Uracil-1-β-D-ribofuranoside Empirical Formula: C9H12N2O6 Linear Formula: C9H12N2O6 Formula Weight: 244.20 MDL Number: MFCD00006526 Purity: …

  • ALDRICH Undecyl alcohol, 97%, FG

    MilliporeSigma

    Synonym(s): 1-Undecanol; Alcohol C11; Undecyl alcohol Empirical Formula: C11H24O Linear Formula: CH3(CH2)10OH Formula Weight: 172.31 MDL Number: MFCD00004751 Purity: 97% Boiling Point: …

  • ALDRICH 6-Undecanone, 97%

    MilliporeSigma

    Synonym(s): Diamyl ketone; Dipentyl ketone Formula: CH3(CH2)4CO(CH2)4CH3 Formula Weight: 170.29 CAS No.: 927-49-1 Purity: 97% Density: 0.831g/mLat 25°C(lit.) Packaging: 25 g in glass bottle

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