Reagents, P, 500 mL, Supplies
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SIGMA Percoll®, pH 8.5-9.5 (25°C), cell culture tested
MilliporeSigmaDensity: 1.13g/mL±0.005g/mLat 25°C(lit.) Application: Percoll consists of colloidal silica particles of 15-30 nm diameter (23% w/w in water) which have been coated with polyvinylpyrrolidone (PVP). It is used to establish non-toxic low viscosity, low osmolarity density gradients…
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2-Propanol, BioReagent, for molecular biology, =99.5%
MilliporeSigmaIsopropanol is a clear, colorless, polar organic solvent commonly used in chemistry and molecular biology laboratories. It will dissolve a wide range of chemicals, and evaporates quickly. This product (2-propanol) is designated as molecular biology grade and is suitable for the precipitation of…
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Phosphate, Ion chromatography standard solution, Specpure r, PO4 -^3 1000µg/ml
Thermo Scientific ChemicalsFormula: KH2PO4 in H2O Harmonized Tariff Code: 3822.00
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Potassium hydroxide, 30% w/v aq. soln.
Thermo Scientific ChemicalsFormula: KOH Formula weight: 56.11 CAS Number: 1310-58-3 UN Number: UN1814 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2815.20 Hazard Statements: H314-H302 Causes severe skin burns and eye damage. Harmful if swallowed. Precautionary Statements: …
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Phenol, 5% (w/v) Solution
Spectrum ChemicalPhenol, 5 Percent (w/v) Solution - Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.
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ALDRICH 3-Picoline, 99%
MilliporeSigmaSynonym(s): 3-Methylpyridine Formula: C6H7N Formula Weight: 93.13 CAS No.: 108-99-6 UN Number: UN2313 Purity: 99% Density: 0.957g/mLat 25°C(lit.) Packaging: 25, 500 mL in glass bottle
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n-Propylmagnesium chloride, 1M in MeTHF
Thermo Scientific ChemicalsFormula: CH3CH2CH2MgCl Formula weight: 102.85 CAS Number: 2234-82-4 UN Number: UN3399 Hazard Class: 4.3 Packing Group: I
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Liquified Phenol, >=89.0%
MilliporeSigmaSynonyms: Phenol solution CAS Number: 108-95-2 Formula: C6H6O Formula Weight: 94.11 Linear Formula: C6H6O MDL No.: MFCD00002143 Purity: >=89.0% Density: 1.07 g/mL at 25 C(lit.) Storage: 2-8C Beilstein Registry Number: 6428463 EC Number: 203-632-7 UNSPSC Code: …
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Phosphate-buffered saline (PBS, 10X), with Triton r X-100
Thermo Scientific ChemicalsHarmonized Tariff Code: 3822.00
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Potassium Iodide, 15% Solution, APHA
Spectrum ChemicalThe Spectrum Chemical 15% potassium iodide solution is used in conducting limit test for arsenic and APHA color measurement test. It is suitable to treat hyperthyroidism. Potassium iodide is also used in radioactive and nuclear emergencies. Application: For Arsenic
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Phenolphthalein, 0.5% w/v in alcohol
Thermo Scientific ChemicalsFormula: C20H14O4 Formula weight: 318.33 CAS Number: 77-09-8 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2932.20 Hazard Statements: H225-H350-H371-H302-H312-H332 Highly flammable liquid and vapour. May cause cancer. May cause damage to organs.…
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Pyrrolidine, 0.99
MilliporeSigmaSynonyms: Tetrahydropyrrole; Tetramethyleneimine CAS Number: 123-75-1 Formula: C4H9N Formula Weight: 71.12 Linear Formula: C4H9N MDL No.: MFCD00005249 Purity: 0.99 Boiling Point: 87-88 C/760 mmHg(lit.) Density: 0.852 g/mL at 25 C(lit.) Refractive Index: n20/D 1.443(lit.)…
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Polypropylene glycol 2000
Thermo Scientific ChemicalsFormula: H[OCH(CH3)CH2] nOH CAS Number: 25322-69-4 Harmonized Tariff Code: 2905.32
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Polyethyleneimine 50% Aqueous Solution
MP BiomedicalsPolyethyleneimine is a branched chain polymer having a ratio of 1:2:1 of primary:secondary:tertiary amines with a branching site every 3 to 3.5 nitrogen atoms and a base structure of (CH2CH2NH)x. The nitrogen atoms must be protonated to achieve cationic charge, so the cationic…
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Polysorbate 20
MP BiomedicalsPolysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications. It has been used in pre-extraction of membranes to remove peripheral proteins. It has been used as a blocking agent on nitrocellulose. …
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Contains about 20 ppm Citric Acid as a Preservative Formula: C6H5OH Formula Weight: 94.11 CAS Number: 108-95-2
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Paraformaldehyde, Prepared Fixatives
Electron Microscopy SciencesIn addition to our complete line of Formaldehyde solutions we have now added to the line.
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1-Propylamine, 98%
Thermo Scientific ChemicalsSynonym(s): 1-Aminopropane Formula: CH3CH2CH2NH2 Formula weight: 59.11 Purity: 98% CAS Number: 107-10-8 UN Number: UN1277 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2921.19 Hazard Statements: H225-H301-H311-H314-H318-H332 Highly flammable liquid and…
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Potassium, AAS standard solution, Specpure r, K 1000µg/ml
Thermo Scientific ChemicalsFormula: KNO3 in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code: 3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not breathe…
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Phosphate, 0.5M buffer soln., pH 6.5
Thermo Scientific ChemicalsCAS Number: 7558-80-7 Harmonized Tariff Code: 2835.22
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85% Phosphoric Acid
GFS ChemicalsThe GFS Chemicals phosphoric acid with 85% concentration levels comes in a colorless and odorless liquid form. The phosphoric acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional,…
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Potassium chloride, 0.0145M, Conductivity Standard
Thermo Scientific ChemicalsFormula: KCl, 2000^mmho 25^o Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code: 3822.00
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Preadipocyte Growth Medium Basal Medium
MilliporeSigmaPreadipocyte Basal Medium (supplements sold separately) Storage: 2-8C Application: Preadipocyte Growth Medium is a low-serum (5% V/V) medium developed for the undifferentiated expansion of human preadipocytes. The media are optimized for primary human cells, but can also be used for murine…
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Polyethyleneimine, 50% (v/v) Aqueous Solution
Spectrum ChemicalPolyethyleneimine, 50 Percent (v/v) Aqueous Solution, or PEI, is soluble in hot water as well as in methanol, ethanol, chloroform and at low pH. It ability to modify the surface of cellulose fibres make it usable in many products such as adhesives, cosmetics, water treatment agents and detergents.
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Potassium chloride, 0.005M, Conductivity Standard
Thermo Scientific ChemicalsFormula: KCl, 718^mmho 25^o Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code: 3822.00
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Potassium Cyanide, 10 Percent (w/v) Solution
Spectrum ChemicalUN No.: UN1935 Class: 6.1 Pkg. Group: PG II
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Phosphate-buffered saline (PBS, 1X), sterile
Thermo Scientific ChemicalsHarmonized Tariff Code: 3822.00