Reagents, U

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

    MilliporeSigma

    Storage: −20°C

  • U-18666A, 95%

    Alfa Aesar

  • Uracil-5-carboxaldehyde, 97%

    Alfa Aesar

    Synonym(s): 5-Formyluracil Formula: C5H4N2O3 Formula weight: 140.10 Purity: 97% CAS Number: 1195-08-0 Harmonized Tariff Code: 

  • SIGMA Uroguanylin >=90% (HPLC)

    MilliporeSigma

    Synonym(s): Asn-Asp-Asp-Cys-Glu-Leu-Cys-Val-Asn-Val-Ala-Cys-Thr-Gly-Cys-Leu [Disulfide bridges: 4–12, 7–15] Empirical Formula: C64H102N18O26S4 Linear Formula: …

  • Urocortin, human

    Alfa Aesar

    Formula: C204H337N63O64 Formula weight: 4696.30 CAS Number: 176591-49-4 Harmonized Tariff Code:  2933.99

  • SIGMA UKTS9213

    MilliporeSigma

  • SIGMA Universal Fluorometric Kinase Assay Kit

    MilliporeSigma

  • Ursodeoxycholic acid for system suitability

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Ursodeoxycholic acid; 3α,7β-Dihydroxy-5β-cholan-24-oic acid; 5β-Cholan-24-oic acid-3α,7β-diol; 7β-Hydroxylithocholic acid; UDCS Empirical Formula: C24H40O4 Formula…

  • 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: …

  • Unalloyed zinc (trace elements)

    MilliporeSigma

    ERM ® certified Reference Material Synonym(s): Zinc, unalloyed

  • SIGMA Uridine 5'-diphosphoglucuronic acid ammonium salt 98-100%

    MilliporeSigma

    Synonym(s): UDP-GlcA; UDPGA; Uridine-diphosphate-glucuronic acid ammonium salt; Uridine[5']diphospho[1]-α-D-glucopyranosuronic acid ammonium salt Empirical Formula: C15H22N2O18P2 -+ xNH3 Linear Formula: …

  • SIGMA UKTS8878

    MilliporeSigma

  • SIGMA UBP608 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 6-Bromo-2-oxo-2H-chromene-3-carboxylic acid; 6-Bromo-3-carboxycoumarin Empirical Formula: C10H5BrO4 Linear Formula: C10H5BrO4 Formula Weight: 269.05 Purity: ≥98% (HPLC) Storage: room temp

  • Sigma Universal Transfection Reagent, Polymer reagent for transfecting common…

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Storage: -20C UNSPSC Code: 12352200 Features and Benefits: . Fast, easy…

  • SIGMA U-74389G

    MilliporeSigma

    Synonym(s): 21-[4-(2,6-Di-1-pyrrolidinyl-4-pyrimidinyl)-1-piperazinyl]pregna-1,4,9[11]-triene-3,20-dione maleate salt Empirical Formula: C37H50N6O2 -+ C4H4O4 Linear Formula: …

  • 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, USP

    Avantor - J.T.Baker®

    Formula: NH2CONH2 Formula Weight: 60.06 CAS Number: 57-13-6 Specific Gravity: 1L = 1.32 Kg

  • UM-UC-1, 6080301

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Storage: -196C UNSPSC Code: 12352200

  • 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

  • UM-UC-10, 8090506

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Storage: -196C UNSPSC Code: 12352200

  • ALDRICH Uracil-2-13C,15N2, 98 atom % 15N, 99 atom % 13C

    MilliporeSigma

    Empirical Formula: 13 CC3H4 15 N2O2 Linear Formula: 13 CC3H4 15 N2O2 Formula Weight: 115.07 MDL Number: MFCD01074389 Melting Point: >300 °C(lit.)

  • Urea, Molecular Biology Reagent

    Alfa Aesar

    Synonym(s): Carbamide Formula: CH4N2O Formula weight: 60.06 CAS Number: 57-13-6 Harmonized Tariff Code:  3102.10

  • 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

  • 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: …

  • UVM Modified Listeria Enrichment Broth

    BD

    Description: Selective enrichment for culturing L. monocytogenes

  • SIGMA Undecyl a-D-maltoside >=90% (GC)

    MilliporeSigma

    Synonym(s): n -Undecyl α-D-maltopyranoside Empirical Formula: C23H44O11 Linear Formula: C23H44O11 Formula Weight: 496.59 MDL Number: MFCD09750649 Purity: ≥90% (GC)

  • Urea

    Bio Basic Inc.

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

    MilliporeSigma

    MDL Number: MFCD00070858 Storage: 2-8°C

  • Ubidecarenone Related Compound A

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): Coenzyme Q9; Q-9; Ubiquinone-45; Ubiquinone-9 Empirical Formula: C54H82O4 Formula Weight: 795.23 Linear Formula: C54H82O4 MDL Number: …

  • 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…

  • Universal Beer Agar

    MilliporeSigma

    for microbiology Synonym(s): UB Agar

  • U-373 MG (Uppsala) cell line,

    MilliporeSigma

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Storage: -196C UNSPSC Code: 12352200 Application: Culture Medium: EMEM (EBSS) + 2mM Glutamine +…

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