Reagents, Reagents, U
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Urea
MilliporeSigmaUnited 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.) …
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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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UV729 ASA 3D Printing Filament signal white, diam. 1.75 mm
MilliporeSigmaUV729 ASA 3D printing filament: •Developed specifically for outdoor applications; UV 729 can withstand sunlight •Exceptional mechanical resistance •Matte finish. •The surface finish allows easier manipulation post processing •Prints like an ABS, heated bed or enclosed chamber…
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U-73122, 99+%
Thermo Scientific ChemicalsSynonym(s): 1-[6-[((17^b)-3-Methoxyestra-1,3,5[10]-trien-17-yl)amino]hexyl]pyrrole-2,5-dione Formula: C29H40N2O3 Formula weight: 464.65 Purity: 99+% CAS Number: 112648-68-7 Harmonized Tariff Code: 2925.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious…
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UNC0379 trifluoroacetate salt >=98% (HPLC)
MilliporeSigmaSynonyms: 6,7-Dimethoxy-2-(pyrrolidin-1-yl)-N-(5-(pyrrolidin-1-yl)-pentyl)quinazolin-4-amine trifluoroacetate salt Molecular Formula: C23H35N5O2 · xC2HF3O2 Linear Structural Formula: C23H35N5O2 · xC2HF3O2 MDL Number: MFCD28167817 Purity: >=98% (HPLC) Storage: 2-8C Biochem…
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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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Indicator/buffer for use with total hardness test kits Packaged in foil powder pillows for stability and unit dose operation pk/100 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor…
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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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Ultrafree(R)-MC (0.5 mL) and Ultrafree-CL (2 mL) centrifugal devices are single-use, disposable filters used for removing particulates from aqueous biological solutions. These devices are available in two processing volumes with a range of microporous membranes (from 0.1 to 5.0 µm) for fast…
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Application: 100 kDa NMWL, Biomax polyethersulfone, 25 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Storage: •The storage temperature should not exceed 35C. •Keep tightly closed. Store in a cool, dry, well ventilated area. •Do not expose to ultraviolet light. •High temperatures (>80C), pressure and contamination with peroxides may result in auto-polymerization of the product. •Unstable…
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Uridine, 99%
Thermo Scientific ChemicalsFormula: C9H12N2O6 Formula weight: 244.20 Purity: 99% CAS Number: 58-96-8 Harmonized Tariff Code: 2934.99
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Ultrastable fluorescent silica nanobeads 120 nm, lyophilized
MilliporeSigmaSynonyms: Fluorescent beads; Fluorescent nanoparticles; Silica nanoparticles Molecular Formula: SiO2 Molecular Weight: 60.08 Linear Structural Formula: SiO2 Storage: 2-8C Application: The use of labeling or staining agents has greatly assisted the study of complex biological…
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Description: Selective enrichment for culturing L. monocytogenes
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Filter Type: Ultrafiltration Application: 10 kDa NMWL, Ultracel regenerated cellulose, 150 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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Storage: •The storage temperature should not exceed 35C. •Keep tightly closed. Store in a cool, dry, well ventilated area. •Do not expose to ultraviolet light. •High temperatures (>80C), pressure and contamination with peroxides may result in auto-polymerization of the product. •Unstable…
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Filter Type: Ultrafiltration Application: 500 kDa NMWL, Biomax polyethersulfone, 47 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Ubiquitin-conjugating (E2) enzymes are characterized by the presence of a highly conserved ubiquitin-conjugating domain which accommodates ATP-activated ubiquitin (Ub) via a covalently linked thioester onto its active-site residue. E2 enzymes act via selective protein-protein interactions with the…
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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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MDL Number: MFCD00070858 Storage: −20°C
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Urea-13C 99 atom % 13C, UBT Grade
MilliporeSigmaSynonyms: 13C Labeled urea; Carbamide-13C; Carbonyldiamide-13C Molecular Formula: 13CH4N2O Molecular Weight: 61.05 Linear Structural Formula: H2N13CONH2 MDL Number: MFCD00064398 Melting Point: 132-135 C (lit.) Storage: 15-25C
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Urban dust NIST(R) SRM(R) 1649b
MilliporeSigmaSRM 1649B_cert SRM 1649B _SDS Legal Information: SRM is a registered trademark of National Institute of Standards and Technology
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Uric acid-2-13C,1,3,7-15N3 >=98 atom %, >=95% (CP)
MilliporeSigmaMolecular Formula: C413CH4N15N3O3 Molecular Weight: 172.08 Linear Structural Formula: C413CH4N15N3O3 MDL Number: MFCD31808095 Purity: >=95% (CP) Storage: -20C
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UKKi006-A Human iPS Cell Line
MilliporeSigmaInduced pluripotent stem cells (iPSCs) are adult cells that have been reprogrammed to an embryonic stem cell-like state. The cells can replicate indefinitely or, under controlled conditions, can be differentiated into any other cell type such as nerve, heart or liver cells. Medical researchers are…
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Filter Type: Ultrafiltration Application: 10 kDa NMWL, Biomax polyethersulfone, 25 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Filter Type: Ultrafiltration Application: 5 kDa NMWL, Biomax polyethersulfone, 63.5 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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SIGMA Uridine, powder, BioReagent, suitable for cell culture
MilliporeSigmaSynonym(s): 1-β-D-Ribofuranosyluracil; Uracil-1-β-D-ribofuranoside Formula: C9H12N2O6 Formula Weight: 244.20 CAS No.: 58-96-8 Purity: ≥99%
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Urea Gr For Analysis ACS, Reagent Ph Eur
MilliporeSigmaFormula: 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
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Ursodeoxycholic acid, 99%
Thermo Scientific ChemicalsFormula: C24H40O4 Formula weight: 392.56 Purity: 99% CAS Number: 128-13-2 Harmonized Tariff Code: 2918.19
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