Chemicals Reagents U
-
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…
-
UM-SCC-22B is a unique head and neck squamous carcinoma cell line established from the metastatic lymph node in the neck of a female patient . UM-SCC-22B is negative for HPV-16, HPV-18, Hepatitis A, B, C, and HIV-1 & 2 viruses.UM-SCC-22B was established at the University of Michigan with written…
-
-
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%
-
Uncarine E phyproof(R) Reference Substance
MilliporeSigmaThis substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: 7-Isopteropodine Molecular…
-
Ubidecarenone Pharmaceutical Secondary Standard
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. Ubidecarenone is a dietary supplement, and a cardiovascular agent employed in the…
-
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
-
Uracil 1-ß-D-arabinofuranoside ; >/= 99% (HPLC)
AFG BioscienceSynonyms: 1-ß-D-Arabinofuranosyluracil Purity Limit: ≥ 99% (HPLC) CAS No.: 3083-77-0 Molecular Formula: C9H12N2O6 Molecular Weight: 244.2 MDL No.: MFCD00065998 Appearance: White, off-white to faint yellow crystall Storage Temperature: 0-8 ºC
-
UKBi011-A-1 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…
-
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…
-
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) …
-
-
UltraCat >=95%
MilliporeSigmaSynonyms: Bis(1-(2,6-diethylphenyl)-3,5,5-trimethyl-3-phenylpyrrolidin-2-ylidene)dichloro(3-phenyl-1H-inden-1-ylidene)ruthenium(II) Molecular Formula: C61H68Cl2N2Ru · CH3NO2 Molecular Weight: 1062.22 Linear Structural Formula: C61H68Cl2N2Ru · CH3NO2 Purity: >=95% Melting Point: …
-
SIGMA Uridine >=99%
MilliporeSigmaSynonym(s): 1-β-D-Ribofuranosyluracil; Uracil-1-β-D-ribofuranoside Empirical Formula: C9H12N2O6 Linear Formula: C9H12N2O6 Formula Weight: 244.20 MDL Number: MFCD00006526 Purity: …
-
Urea, 98+%
Thermo Scientific ChemicalsSynonym(s): Carbamide Formula: NH2CONH2 Formula weight: 60.06 Purity: 98+% CAS Number: 57-13-6 Harmonized Tariff Code: 3102.10
-
Urolithin B >=95% (HPLC)
MilliporeSigmaSynonyms: 3-Hydroxy-6H-benzo[c]chromen-6-one Molecular Formula: C13H8O3 Molecular Weight: 212.2 Linear Structural Formula: C13H8O3 MDL Number: MFCD00034338 Purity: >=95% (HPLC) Storage: 2-8C Biochem Physiol Actions: Urolithin B is a natural product with…
-
Filter Type: Ultrafiltration Application: 100 kDa NMWL, Ultracel regenerated cellulose, 25 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
-
SIGMA Urocortin III human >=97% (HPLC)
MilliporeSigmaMDL Number: MFCD03792654 Purity: ≥97% (HPLC) Storage: −20°C
-
UCOE(R) Single Expression Hygromycin Vector Set
MilliporeSigmaThe Ubiquitous Chromatin Opening Element (UCOE) technology offers significant advances in recombinant mammalian protein expression. Unlike traditional vectors, UCOE-containing vectors have the capacity to ease the process of isolating cell line clones that express high-levels of recombinant…
-
Application: 30 kDa NMWL, Biomax polyethersulfone, 76 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
-
Filter Type: Ultrafiltration Application: 50 kDa NMWL, Biomax polyethersulfone, 25 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
-
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: …
=99%"}' data-compare-data=""> -
Uridine United States Pharmacopeia (USP) Reference Standard
MilliporeSigmaThis product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and…
-
Triple negative breast cancer (TNBC) accounts for 15-20% of breast cancer cases and is characterized by the absence of estrogen receptor (ER), progesterone receptor (PR), and human EGF receptor 2 (HER2) . TNBC is typically more aggressive and difficult to treat than more common types of breast…
-
-
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…
-
Universal Negative Control Serum
MilliporeSigmaThe Universal Negative Control Serum reagent is used in IHC assays where both mouse and rabbit primary antibodies produce antigen specific recognition and binding. These reagents aid in the identification of cells, tissues or tissue components, which may nonspecifically bind antibodies and thereby…
-
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…
-
Undecylenic acid >=96%, FG
MilliporeSigmaUndecylenic acid is also referred to as 10-undecenoic acid. It exhibits anti-bacterial activity against various pathogenic fungi in the pH range of 4.5 to 6.0. It has fungicidal properties. Synonyms: 10-Undecenoic acid Molecular Formula: C11H20O2 Molecular Weight: 184.28 Linear…
-
Filter Type: Ultrafiltration Application: 10 kDa NMWL, Biomax polyethersulfone, 25 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
-
n-Undecane, 99%
Thermo Scientific ChemicalsSynonym(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…
-
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: …