MilliporeSigma Chemicals Reagents U
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UNC3866 trifluoroacetate salt >=98% (HPLC)
MilliporeSigmaSynonyms: N-[4-(1,1-Dimethylethyl)benzoyl]-L-phenylalanyl-L-alanyl-L-leucyl-N6,N6-diethyl-L-lysyl-L-Serine methyl ester trifluoroacetate Molecular Formula: C43H66N6O8 Molecular Weight: 795.02 Linear Structural Formula: C43H66N6O8 Purity: >=98% (HPLC) Storage: -20C Biochem…
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Urea
MilliporeSigmaEuropean 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.) …
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Filter Type: Ultrafiltration Application: 100 kDa NMWL, Biomax polyethersulfone, 47 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Synonyms: PMeOx-Piperazine Linear Structural Formula: CH3(C4H7NO)nC4H9N2 Storage: 2-8C Legal Information: Ultroxa is a registered trademark of University of Ghent
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SIGMA Urea, for electrophoresis
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: UMP-13C9,15N2 Molecular Formula: 13C9H1115N2Na2O9P Molecular Weight: 379.07 Linear Structural Formula: 13C9H1115N2Na2O9P Purity: >=95% (CP) Storage: -20C
=98 atom %, >=95% (CP), 100 mM (in 5mM Tris HCl / H2O)"}' data-compare-data=""> -
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Application: 300 kDa NMWL, Biomax polyethersulfone, 63.5 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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Urea NIST(R) SRM(R) 2152, combustion calorimetric standard
MilliporeSigmaSRM 2152_cert SRM 2152 _SDS Synonyms: Carbamide; Carbonyldiamide Molecular Formula: CH4N2O Molecular Weight: 60.06 Linear Structural Formula: NH2CONH2 MDL Number: MFCD00008022 Melting Point: 132-135 C (lit.) Density: 1.335 g/mL at 25 C (lit.) Application: Used for…
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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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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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All UM-SCC cell lines were derived in the lab of Dr. Thomas Carey at the University of Michigan and are exclusively distributed by Merck KGaA, Darmstadt, Germany. Access to UM-SCC cells is limited solely to those officers, employees and students of PURCHASER’s institution who need access to…
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SIGMA Urocortin III human >=97% (HPLC)
MilliporeSigmaMDL Number: MFCD03792654 Purity: ≥97% (HPLC) Storage: −20°C
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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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Filter Type: Ultrafiltration Application: 5 kDa NMWL, Ultracel regenerated cellulose, 25 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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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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Ureidosuccinic acid 98.0-102.0% (T)
MilliporeSigmaSynonyms: N-Carbamoyl-DL-aspartic acid Molecular Formula: C5H8N2O5 Molecular Weight: 176.13 Linear Structural Formula: HOOCCH2CH(NHCONH2)COOH MDL Number: MFCD00042822 Purity: 98.0-102.0% (T) Melting Point: ~175 C (dec.) Biochem Physiol Actions: Metabolite of pyrimidine…
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Ursodiol
MilliporeSigmaUnited States Pharmacopeia (USP) 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 …
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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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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
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Filter Type: Ultrafiltration Application: 100 kDa NMWL, Ultracel regenerated cellulose, 63.5 mm diameter Legal Information: ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany
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Uridine 5'-diphosphoxylose sodium salt
MilliporeSigmaSynonyms: Uridine 5'-diphosphoxylose sodium salt Molecular Formula: C14H20N2O16P2Na2 Molecular Weight: 580.24 Linear Structural Formula: C14H20N2O16P2Na2 Purity: >=95% (HPLC) Storage: 2-8C
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Storage: 2-8°C
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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…
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Ultrastable fluorescent silica nanobeads 90 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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Synonyms: 5'-Uridylic-15N2 acid disodium salt; UMP-15N2 Molecular Formula: C9H1115N2Na2O9P Molecular Weight: 370.13 Linear Structural Formula: C9H1115N2Na2O9P Purity: >=95% (CP) Storage: -20C
=98 atom % 15N, >=95% (CP)"}' data-compare-data=""> -
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…
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MDL Number: MFCD00070858 Storage: −20°C
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Application: 50 kDa NMWL, Biomax polyethersulfone, 44.5 mm diameter Legal Information: BIOMAX is a registered trademark of Merck KGaA, Darmstadt, Germany
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Ultrastable fluorescent silica nanobeads 25 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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UM-SCC-17A is a unique head and neck squamous carcinoma cell line isolated from the primary laryngeal carcinoma of a 48-year old female patient who failed to respond to radiation therapy. The tumor persisted and metastasized to the neck, from where the UM-SCC-17B cell line was derived from. The…