Reagents, U

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  • 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 U0126 monoethanolate >=98% (HPLC), powder

    MilliporeSigma

    Synonym(s): 1,4-Diamino-2,3-dicyano-1,4-bis(o-aminophenylmercapto)butadiene monoethanolate Empirical Formula: C18H16N6S2 -+ C2H5OH Linear Formula: C18H16N6S2 -+…

  • SIGMA Uvaol >=95%

    MilliporeSigma

    Synonym(s): Urs-12-ene-3,28-diol Empirical Formula: C30H50O2 Linear Formula: C30H50O2 Formula Weight: 442.72 MDL Number: MFCD00009620 Purity: ≥95% Melting Point: 223-225 °C(lit.)

  • 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: …

  • SIGMA Urea 8 M (after reconstitution with 16 mL high purity water)

    MilliporeSigma

    Synonym(s): Urea solution; Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Linear Formula: NH2CONH2 Formula Weight: 60.06 MDL Number: MFCD00008022 Beilstein Registry Number: 635724

  • SIGMA Urease from Canavalia ensiformis (Jack bean) Type IX, powder, 50,000-100…

    MilliporeSigma

    MDL Number: MFCD00070858 Storage: 2-8°C

  • ALDRICH Undecanoic delta-lactone, 98%

    MilliporeSigma

    Empirical Formula: C11H20O2 Linear Formula: C11H20O2 Formula Weight: 184.28 MDL Number: MFCD00006650 Purity: 98% Boiling Point: 152-155 °C/10.5 mmHg(lit.) Density: 0.969 g/mL at…

  • SIGMA (-)-Umbellulone >=98% (HPLC)

    MilliporeSigma

    Synonym(s): (1R, 5S)-4-Methyl-1-propan-2-ylbicyclo(3.1.0)hex-3-en-2-one; (1R,5S)-(-)-3-Thujen-2-one; Thujen-2-one; Thujenone Empirical Formula: C10H14O Linear Formula: C10H14O Formula Weight: 150.22 Purity: ≥98% (HPLC) Storage: −20°C

  • Universal Beer Agar

    MilliporeSigma

    for microbiology Synonym(s): UB Agar

  • U-251 MG cell line human

    MilliporeSigma

    Included Fees: C941P56 has a Dry/Wet Ice Fee included in the price. C941P57 has a Dry/Wet Ice Fee included in the price. C941P58 has a Dry/Wet Ice Fee included in the price. C941P55 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • 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…

  • SIAL Urea

    MilliporeSigma

    puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% Synonym(s): Carbamide; Carbonyldiamide Empirical Formula: CH4N2O Formula Weight: 60.06 Linear Formula: NH2CONH2 MDL Number: MFCD00008022 Purity: ≥99.5%; 99-101% (calc. on…

  • SIGMA Urethane >=99%

    MilliporeSigma

    Synonym(s): Carbamic acid ethyl ester; Ethyl carbamate; Ethylurethane Empirical Formula: C3H7NO2 Linear Formula: NH2COOC2H5 Formula Weight: 89.09 MDL Number: MFCD00007966 Purity: ≥99% Boiling Point: 182-184…

  • Uridine-13C9,15N2 5'-triphosphate sodium salt solution, 98 atom % 15N, 98 atom %…

    MilliporeSigma

    Synonyms: 13 C and 15 N Labeled uridine 5′-triphosphate sodium salt solution; UTP- 13 C9, 15 N2 sodium salt solution Formula: 13 C9H15 15 N2O15P3 ¬? xNa + Formula Weight: 495.06 (free acid basis) Linear…

  • SIGMA Uridine 5'-diphosphoglucose disodium salt hydrate from Saccharomyces…

    MilliporeSigma

    Synonym(s): UDP-Glc hydrate; UDPG hydrate Empirical Formula: C15H22N2Na2O17P2 -+ xH2O Linear Formula: C15H22N2Na2O17P2 -+ xH2O Formula…

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  • Uridine 5'-diphosphoglucuronic acid trisodium salt, 98-100%

    MilliporeSigma

    Synonym: UDP-GlcA, UDPGA, Uridine-diphosphate-glucuronic acid trisodium salt, Uridine[5']diphospho[1]-a-D-glucopyranosuronic acid trisodium salt CAS Number: 63700-19-6 Empirical Formula (Hill Notation): …

  • SIGMA Ultra-low Range Molecular Weight Marker (M.W. 1,060-26,600)

    MilliporeSigma

    Storage: −20°C

  • SIGMA Urease from Canavalia ensiformis (Jack bean) powder, white, ~8 U/mg

    MilliporeSigma

    MDL Number: MFCD00070858 Storage: −20°C

  • SIGMA Uricase from Bacillus fastidiosus lyophilized, ~9 U/mg

    MilliporeSigma

    MDL Number: MFCD00082126 Storage: −20°C

  • SIGMA U-87 MG Cell Line human glioblastoma astrocytoma

    MilliporeSigma

    Storage: −196°C

  • 6-Undecanone

    MilliporeSigma

    analytical standard Synonym(s): Diamyl ketone; Dipentyl ketone Empirical Formula: C11H22O Formula Weight: 170.29 Linear Formula: CH3(CH2)4CO(CH2)4CH3 MDL Number: MFCD00009516 Purity: …

  • ALDRICH trans-2-Undecenal, >=95%, FG

    MilliporeSigma

    Empirical Formula: C11H20O Linear Formula: CH3(CH2)7CH=CHCHO Formula Weight: 168.28 MDL Number: MFCD00014680 Purity: ≥95% Boiling Point: 115 °C/10 mmHg(lit.) Density: 0.849 g/mL at…

  • ALDRICH Y-Undecalactone, >=98%, FCC, FG

    MilliporeSigma

    Synonym(s): Undecanoic γ-lactone; Aldehyde C14 Empirical Formula: C11H20O2 Linear Formula: C11H20O2 Formula Weight: 184.28 MDL Number: MFCD00005405 Purity: ≥98% Boiling Point: …

  • Urea Gr For Analysis ACS, Reagent Ph Eur

    MilliporeSigma

    Formula: CO(NH2)2 Grade: ACS, Reag. Ph Eur CAS No.: 57-13-6 pH: 9 (100 g/l, H2O, 20°C) Solubility: 590 g/l (20°C) Melting Point: 133°C Molar Mass: 60.06 g/mol Bulk Density: 720 - 760 kg/m3 Vapor Pressure: Density: 1.34 g/cm3 (20°C) Hill Formula: CH4N2O

  • ALDRICH 2-Undecanone, >=98%, FCC, FG

    MilliporeSigma

    Synonym(s): Methyl nonyl ketone Empirical Formula: C11H22O Linear Formula: CH3(CH2)8COCH3 Formula Weight: 170.29 MDL Number: MFCD00009583 Purity: ≥98% Boiling Point: 231-232 °C(lit.) Melting…

  • ALDRICH Urea-d4, 98 atom % D

    MilliporeSigma

    Empirical Formula: CD4N2O Linear Formula: D2NCOND2 Formula Weight: 64.08 MDL Number: MFCD00044227 Melting Point: 132-135 °C(lit.)

  • 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

    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 Urocortin III human >=97% (HPLC)

    MilliporeSigma

    MDL Number: MFCD03792654 Purity: ≥97% (HPLC) Storage: −20°C

  • U-373 MG (Uppsala) cell line

    MilliporeSigma

    Included Fees: C941M52 has a Dry/Wet Ice Fee included in the price. C941M53 has a Dry/Wet Ice Fee included in the price. C941M54 has a Dry/Wet Ice Fee included in the price. C941M51 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • Uniconazole

    MilliporeSigma

    PESTANAL ® , analytical standard Synonym(s): ( E )-( RS )-1-(4-Chlorophenyl)-4,4-dimethyl-2-(1 H -1,2,4-triazol-1-yl)pent-1-en-3-ol Empirical Formula: C15H18ClN3O Formula Weight: 291.78 Linear Formula: C15H18ClN3O …

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