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Ethyl alcohol, Pure 200 proof, for molecular biology
MilliporeSigmaThis product is 200proof, non-denatured absolute ethanol (100%). This is a molecular biology grade product and is tested for the RNase and Dnase. Synonyms: Ethanol; absolute alcohol; non-denatured ethanol Molecular Formula: C2H6O Molecular Weight: 46.07 Linear Structural Formula:…
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Petri Dishes and Petri-Pad Dishes
MilliporeSigmaPetri Dishes 47 mm dishes for filter cultures on broth Sterilized Petri-Pad Absorbent Pads 47 mm dishes pre-loaded with sterilized absorbent pads. Eliminates labor and cost of hand-loading pads and minimizes contamination.
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S-Pak Filters
MilliporeSigmaS-Pak sterile, individually packed, gridded membrane filters are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids. Type HA (0.45 µm) for total coliform or yeast and mold analysis and type RA (1.2 µm) for yeast…
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SIGMA TWEEN® 20, for molecular biology, viscous liquid
MilliporeSigmaSynonyms: Polyethylene glycol sorbitan monolaurate; Polyoxyethylenesorbitan monolaurate CAS No.: 9005-64-5 Density: 1.095 g/mL at 25 °C(lit.) Application: Non-ionic detergent Legal Information: TWEEN is a registered trademark of Croda International PLC Packaging: 50, 100 mL in poly bottle
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GR ACS Citric Acid, Anhydrous
MilliporeSigmaFormula: HOCOCH2C(OH)(COOH)CH2COOH Formula Weight: 192.13 CAS Number: 77-92-9
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Hydrogen Peroxide 30% (Perhydrol®) For Analysis EMSURE® ISO
MilliporeSigmaGrade: ACS, ISO UN No.: UN2014 pH: 2 - 4 (H2O, 20°C) Solubility: (20°C) soluble Melting Point: -26°C Boiling Point: 107°C (1013 hPa) Vapor Pressure: 18 hPa (20°C) Density: 1.11 g/cm3 (20°C)
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Phosphate Buffered Saline pH 7.2, liquid, sterile-filtered
MilliporeSigmaPhosphate-buffered saline (PBS) is a buffer solution used in biological research. It is a water-based salt solution containing sodium phosphate, sodium chloride and, in some formulations, it contains potassium chloride and potassium phosphate. The osmolality and ion concentrations of the solutions…
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Synonyms: Formalin CAS Number: 50-00-0 Formula: CH2O Formula Weight: 30.03 Linear Formula: HCHO MDL No.: MFCD00003274 Purity: 36.5-38.0% Density: 1.09 g/mL at 25 C(lit.) Refractive Index: n20/D 1.3765 Beilstein Registry Number: 1209228 UNSPSC Code: 12352114 General…
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OmniSolv® Heptane
MilliporeSigmaFormula: CH3(CH2)5CH3 Formula Weight: 100.21 CAS Number: 142-82-5 Synonym(s): n-Heptane Meets Reagent Specifications for testing USP/NF monographs
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Ethyl Alcohol, 200 Proof
MilliporeSigmaSynonyms: Ethanol; Ethanol; Ethyl alcohol Molecular Formula: C2H6O Molecular Weight: 46.07 Linear Structural Formula: CH3CH2OH MDL Number: MFCD00003568 Purity: >=99.5% (GC) Melting Point: -114 C (lit.) Density: 0.789 g/mL at 25 C (lit.) Refractive Index: …
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Trifluoroacetic acid, for HPLC, >=99.0%
MilliporeSigmaSynonyms: TFA CAS Number: 76-05-1 Formula: C2HF3O2 Formula Weight: 114.02 Linear Formula: CF3COOH MDL No.: MFCD00004169 Purity: >=99.0% Boiling Point: 72.4 C(lit.) Melting Point: -15.4 C (lit.) Density: 1.489 g/mL at 20 C(lit.) Refractive Index: n20/D 1.3(lit.) …
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OmniSolv® LC-MS Water
MilliporeSigmaSynonyms: Aqua-Destillata Expiration date: Exp 12 months from mfg date Filtered through 0.2 µm filter: To pass test Fluorescence as quinine at 254 nm: 1ppb max Fluorescence as quinine at 365 nm: 1ppb max Gradient at 210 nm: 0.002AU max Gradient at 254…
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STERIFLIP® FILTERS
MilliporeSigmaSTERIFLIP® FILTERS Compatible with 50 mL centrifuge tubes, Steriflip® filters eliminate the liquid transfer step by integrating directly into the sample tube. To filter, attach the unit to the 50 mL centrifuge tube containing your sample, flip, and apply vacuum. The filtrate…
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LB Broth MILLER Granulated
MilliporeSigmaUsed in molecular microbiology procedures for maintaining and propagating E. coli. Typical Composition (g/L): Tryptone 10.0; yeast extract 5.0; sodium chloride 10.0 Preparation: 25.0g/L
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TWEEN® 20, viscous liquid
MilliporeSigmaTween(R)20 is a polyoxyethylene sorbitol ester that belongs to the polysorbate family. It is a nonionic detergent having a molecular weight of 1,225 daltons, assuming 20 ethylene oxide units, 1 sorbitol, and 1 lauric acid as the primary fatty acid. The ethylene oxide subunits are responsible for…
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Millipak® Filter Units
MilliporeSigmaThe Millipak are 0.22 µm membrane filters designed as a safe and efficient barrier against particulates and bacteria. The Millipak devices use the unique, clean stacked disc design that eliminates the risks of particulate-producing woven downstream support found in many pleated membrane…
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Acetonitrile, HPLC
MilliporeSigmaSynonyms: Methyl Cyanide Formula: CH3CN Formula Weight: 41.05 CAS number: 75-05-8 Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs
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Synonyms: 2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Tris(hydroxymethyl)aminomethane; Trometamol Formula: NH2C(CH2OH)3 Formula Weight: 121.14 CAS No.: 77-86-1 Purity: ≥99.9% (titration) General description: 2222A 40% (w/w)…
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Iron(III) chloride, reagent grade, 97%
MilliporeSigmaWe are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information. Synonyms: Ferric chloride; Iron trichloride; Molysite …
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Readycult® Coliforms 100
MilliporeSigmaUSEPA approved test for the Presence/Absence of total coliforms and E. coli in drinking water Formula: Mixture Formula Weight: N/A
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Silica Gel 60 63-200m For Column Chromatography
MilliporeSigmaSynonyms: Silica gel MDL Number: MFCD00011232 Melting Point: >1600 C
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Thiamine hydrochloride, reagent grade, =99% (HPLC)
MilliporeSigmaSynonyms: Aneurine hydrochloride; Vitamin B1 hydrochloride Formula: C12H17ClN4OS · HCl Formula Weight: 337.27 CAS No.: 67-03-8 Purity: ≥99% (HPLC) Packaging: 1 kg in poly drum Packaging: 5, 10, 25, 100, 250 g in poly bottle
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Transfer pipette
MilliporeSigmaDisposable transfer pipettes are a great way to transfer liquids without the worry of cross-contamination. Available in 19 styles, our extensive range is sure to have one that fits your needs. Available as non-sterile, sterile, or sterile and wrapped in packs of 10. •Unified design with built-in…
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Synonyms: EGTA; Egtazic acid; Ethylene-bis(oxyethylenenitrilo)tetraacetic acid; Glycol ether diamine tetraacetic acid Formula: [-CH2OCH2CH2N(CH2CO2H)2]2 Formula Weight: 380.35 CAS No.: 67-42-5 Purity: …
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OmniSolv® Tetrahydrofuran, No Stabilizer
MilliporeSigmaSynonyms: Tetrahydrofuran; Diethylene oxide; Butylene oxide; Oxolane; Tetramethylene oxide Molecular Formula: C4H8O Molecular Weight: 72.11 Linear Structural Formula: C4H8O MDL Number: MFCD00005356 Purity: >=99.9% (GC) Melting Point: -108 C (lit.) Density: 0.889…
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ALDRICH 1,4-Butanediol diglycidyl ether, >=95%
MilliporeSigmaEmpirical Formula: C10H18O4 Linear Formula: C10H18O4 Formula Weight: 202.25 MDL Number: MFCD00005146 Purity: ≥95% Boiling Point: 266 °C(lit.) Density: 1.1 g/mL at 25 °C(lit.)…
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UFC501024
MilliporeSigmaWith their vertical membrane design, Amicon Ultra 0.5 mL filters deliver great performance and lower spin times This Amicon Ultra 0.5 mL centrifugal filter enables the concentration of proteins with a membrane NMWL of 10 kDa. Amicon Ultra centrifugal filters are ideal for protein…
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Chemical name: Dichloromethane Chemical synonyms: Methylene chloride Material form: Solvent Density (g/cm3): 1.32 - 1.33 Molecular weight: 84.93 Molecular formula: CH2Cl2 Chemical purity: =99.8% UN Number: UN 1593
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Sodium chloride, ACS reagent, >=99.0%
MilliporeSigmaSynonyms: Halite Formula: NaCl Formula Weight: 58.44 CAS No.: 7647-14-5 Purity: ≥99.0% Packaging: 1 kg in poly bottle Packaging: 2.5, 5, 10, 25, 50 kg in poly drum Packaging: 25, 500 g in poly bottle
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Synonyms: BSTFA Formula: CF3C[=NSi(CH3)3]OSi(CH3)3 Formula Weight: 257.40 CAS No.: 25561-30-2 Purity: ≥99.0% (GC); ≥99.0% Density: 0.969 g/mL at 25 °C(lit.) Protocols & Applications: Derivatisation of…