Chemicals Reagents U
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Urea hydrogen peroxide adduct, 97%
Thermo Scientific ChemicalsSynonym(s): Hydrogen peroxide urea adduct, Percarbamide Formula: CH4N2O H2O2 Formula weight: 94.07 Purity: 97% CAS Number: 124-43-6 UN Number: UN1511 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code: 2847.00 Hazard Statements: H272-H314-H318 May intensify…
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Ultramark r 1621, Mass Spec Std
Thermo Scientific ChemicalsFormula weight: 2120.00 CAS Number: 105809-15-2 Harmonized Tariff Code: 2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid…
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SIGMA Urea, BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)
MilliporeSigmaSynonyms: 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…
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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…
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Synonyms: Carbamide; Carbonyldiamide Formula: NH2CONH2 Formula Weight: 60.06 CAS No.: 57-13-6 Purity: 99.0-100.5%; 99.0-101.0% (calc. on dry substance) Density: 1.335 g/mL at 25 °C(lit.) Application: Used for the denaturation of proteins and as a mild…
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U937 Cell Line human, from human lung(lymphoblast), 85011440
MilliporeSigmaStorage: -196C UNSPSC Code: 12352200
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Ultrafiltration Discs
MilliporeSigmaLegal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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U0126, 99+%
Thermo Scientific ChemicalsSynonym(s): 1,4-Diamino-2,3-dicyano-1,4-bis(2-aminophenylthio)butadiene Formula: C18H16N6S2 Formula weight: 380.49 Purity: 99+% CAS Number: 109511-58-2 Harmonized Tariff Code: 2930.90
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UVI3003 >=98% (HPLC)
MilliporeSigmaSynonyms: 3-[4-Hydroxy-3-[5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-3-(pentyloxy)-2-naphthalenyl]phenyl]-2-propenoic acid Molecular Formula: C28H36O4 Molecular Weight: 436.58 Linear Structural Formula: C28H36O4 MDL Number: MFCD18086862 Purity: >=98% (HPLC) Storage: -20C …
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Uridine 5'-monophosphate disodium salt from yeast, =99%
MilliporeSigmaSynonym: 5′-UMP-Na2, U 5′-P, UMP, Uridylic acid disodium salt CAS Number: 3387-26-8 Empirical Formula (Hill Notation): C9H11N2Na2O9P Molecular Weight: 368.15 Beilstein Registry Number: 3582885…
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Filter Type: Ultrafiltration Application: 1 kDa NMWL, Ultracel regenerated cellulose, 47 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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Filter Type: Ultrafiltration Application: 1 kDa NMWL, Ultracel regenerated cellulose, 150 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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SIGMA Unisol Blue AS for microscopy
MilliporeSigmaSynonym(s): 1,4-Bis(isopropylamino)anthraquinone; Disperse Blue 134; Solvent Blue 36 Empirical Formula: C20H22N2O2 Linear Formula: C20H22N2O2 Formula Weight: 322.40 MDL Number: MFCD00045353
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Urea, ultrapure, 99%
Thermo Scientific ChemicalsSynonym(s): Carbamide Formula: CH4N2O Formula weight: 60.06 Purity: 99% CAS Number: 57-13-6 Harmonized Tariff Code: 3102.10
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UniverSol™ ES Liquid Scintillation Cocktail
MP BiomedicalsUniverSol is a very efficient environmentally safe, non-toxic, biodegradable liquid scintillation cocktail of the "gelling" variety. Environmentally Safe Biodegradable Non-toxic Non-flammable Primary Applications: Aqueous samples from 0 to 15% count as…
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Urea Related Compound A
MilliporeSigmaPharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Synonyms: Biuret; Allophanic acid amide; Carbamoylurea Molecular Formula: …
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Uridine-5'-monophosphate disodium salt, 99%
Thermo Scientific ChemicalsSynonym(s): 5'-Uridylic acid disodium salt Formula: C9H11N2Na2O9P Formula weight: 368.15 Purity: 99% CAS Number: 3387-36-8 Harmonized Tariff Code: 2934.99
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Storage: −20°C UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Features and Benefits: • Prevent carryover contamination in PCR. • Increase the efficiency of site-directed mutagenesis procedures. • Label oligonucleotide probes.…
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Synonym(s): 5'-UMP-Na2; U 5'-P; UMP; Uridylic acid disodium salt Empirical Formula: C9H11N2Na2O9P Linear Formula: C9H11N2Na2O9P Formula Weight: 368.15 MDL Number: …
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UV 254 - WS Proficiency Testing Material
MilliporeSigmaThis proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet which will be available to download at Supelco-PT.com.
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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): …
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Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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RPI Uracil
RPI (Research Products International)The RPI uracil is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Uracil is mainly used to treat breast, liver and prostate cancer. Application: For Research or Further…
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10-Undecyn-1-ol, 96%
Thermo Scientific ChemicalsFormula: HC C(CH2)9OH Formula weight: 168.28 Purity: 96% CAS Number: 2774-84-7 Harmonized Tariff Code: 2905.22
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Undecanoic acid, 98%
Thermo Scientific ChemicalsFormula: CH3(CH2)9CO2H Formula weight: 186.30 Purity: 98% CAS Number: 112-37-8 Harmonized Tariff Code: 2915.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …
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Storage: 2-8°C
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Y-Undecalactone
MilliporeSigmaanalytical standard Synonym(s): Undecanoic γ-lactone; Aldehyde C14 Empirical Formula: C11H20O2 Formula Weight: 184.28 Linear Formula: C11H20O2 MDL Number: MFCD00005405 Purity: ≥98.5% (GC) …
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SIGMA Urease from Canavalia ensiformis (Jack bean)
MilliporeSigmaMDL Number: MFCD00070858 Storage: −20°C
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ALDRICH Undecane, Greater Than or Equal to 99%
MilliporeSigmaSynonym(s): n -Undecane; Hendecane Formula: CH3(CH2)9CH3 Formula Weight: 156.31 CAS No.: 1120-21-4 UN Number: UN2330 Purity: ≥99% Density: 0.74g/mLat 25°C(lit.) Supplemental Hazards: Repeated exposure may cause skin…
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Storage: •The storage temperature should not exceed 35 C. •Keep tightly closed. Store in a cool, dry, well-ventilated area. •Do not expose to ultraviolet light. •High temperatures (>80 C), pressure and contamination with peroxides may result in auto-polymerization of the product. •Unstable…
