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CiteSeerX — 1-Nitro-3-[(phenylsulfonyl)methyl]benzene

CiteSeerX — 1-Nitro-3-[(phenylsulfonyl)methyl]benzene

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In the course of our work to prepare inhibitors of the enzyme dihydrofolate reductase, we desired to prepare sulfone analogues of some previously reported sulfides [1, 2]. Therefore, we prepared the nitrosulfide 1 [1], and oxidized it with hydrogen peroxide in acetic acid [3, 4] to prepare the corresponding .

Basic Rotovap Structure and Design - Lab Instrument .

Basic Rotovap Structure and Design - Lab Instrument .

Rotary evaporator, or rotovap, is an instrument used to distill a solvent.(Everyone calls it a "rotovap" even though rotovap is a brand name). The purpose of distillation is to separate a given mixture into its components based on their respective volatilities, through the process of evaporation and condensation (liquid-gas-liquid).

Why You Should Choose Lanphan Rotovap? - Lab Instruments .

Why You Should Choose Lanphan Rotovap? - Lab Instruments .

Why You Should Choose Lanphan Rotovap? 2016-08-03 10:42:00 Nina Original 1435 Summary: Laboratory rotary evaporator is an necessary lab instrument mainly used for the evaporation, concentration, crystallization, drying, separation and solvent recovery.. Laboratory rotary evaporator is an necessary lab instrument mainly used for the evaporation, concentration, crystallization, drying .

UPS Chemical Table - ICAO/IATA Version (U.S. Air Packages)

UPS Chemical Table - ICAO/IATA Version (U.S. Air Packages)

UN2332 Acetaldehyde oxime 3 III FLAMMABLE LIQUID Y344 10 L 355 25 L 366 30 L UN2789 Acetic acid, glacial 8 (3) II CORROSIVE & FLAMMABLE LIQUID Y840 0.5 L 851 1 L 855 30 L UN2789 Acetic acid solution with > 80% acid, by mass 8 (3) II CORROSIVE & FLAMMABLE LIQUID Y840 0.5 L 851 1 L 855 30 L UN2790 Acetic acid solution with >= 50% and <= 80% acid, by

US Patent for Process for preparing fibrinogen receptor .

US Patent for Process for preparing fibrinogen receptor .

1-mL sample was filtered through a thin pad of Solka-Flock (washed with acetic acid), washed with acetic acid and evaporated to dryness on rotovap. The resulting oil was treated with a few mL of water to precipitate out the solid, and then put back onto rotovap to dry. The resulting white solid was analyzed by .sup.1 HNMR (CD.sub.3 OD) and HPLC.

UPS Chemical Table - 49 CFR Version (Ground and Air Packages)

UPS Chemical Table - 49 CFR Version (Ground and Air Packages)

LIQUID * 10 L 25 L 150 203 Acetic acid, glacial or Acetic acid solution, with more than 80 percent acid, by mass 8 (3) UN2789 II CORROSIVE, FLAMMABLE LIQUID * YES CORROSIVE, FLAMMABLE LIQUID * 0.5 L 1 L A3, A6, A7, A10 154 202 Acetic acid solution, not less than 50 percent

Acetic Acid, 4% (v/v) Aqueous Solution, Ricca Chemical .

Acetic Acid, 4% (v/v) Aqueous Solution, Ricca Chemical .

Shop a large selection of Acetic Acid products and learn more about Acetic Acid, 4% (v/v) Aqueous Solution, Ricca Chemical. 1L, Poly natural.

Rotary Evaporators DryFast Chemical Duty Pumps

Rotary Evaporators DryFast Chemical Duty Pumps

Select Model 2044 (35 l/min) for evaporations up to 10 L flask. Strip DMF at 55˚C, toluene at 35˚C. Models 2032 / 2042 DryFast Ultra Two stage PTFE pumps are excellent for all common evaporations, drawing a deep vacuum . Acetic Acid 1,1,2,2-Tetrachloroethane . DMSO Polymers RotoVap Flask Volume Pump Models System Models Pump Models System .

UPS Chemical Table - 49 CFR Version (Ground and Air Packages)

UPS Chemical Table - 49 CFR Version (Ground and Air Packages)

LIQUID * 10 L 25 L 150 203 Acetic acid, glacial or Acetic acid solution, with more than 80 percent acid, by mass 8 (3) UN2789 II CORROSIVE, FLAMMABLE LIQUID * YES CORROSIVE, FLAMMABLE LIQUID * 0.5 L 1 L A3, A6, A7, A10 154 202 Acetic acid solution, not less than 50 percent

Lancer™ LanceRinse Machine Acid Rinse Additive Capacity .

Lancer™ LanceRinse Machine Acid Rinse Additive Capacity .

Lancer™ LanceRinse Machine Acid Rinse Additive Use in both Lancer and other quality washing machines. Lancer™ Rinse Machine Acid Rinse Additive has .

Antipyretic and antinociceptive potential of extract .

Antipyretic and antinociceptive potential of extract .

Nov 18, 2014 · When studied in acetic acid induced writhing test, the extract/fractions evoked significant antinociceptive effect in which chloroform was the most effective fraction followed by ethyl acetate. Acacetin showed significant antinociceptive effect with 44.77% and 67.03% reduction in abdominal constriction at 5 and 10 mg/kg i.p., respectively.

Acetic Acid - Common Organic Chemistry

Acetic Acid - Common Organic Chemistry

The common name for undiluted acetic acid is glacial acetic acid. With a melting/freezing point of around 16 C, acetic acid is not a suitable solvent for reactions that require cooling. In fact, when removing acetic acid by rotovap it tends to crystallize on the cold finger of the rotovap rather than dripping into the collection flask as a liquid.

Industrial Chemical Rotovap, Industrial Chemical Rotovap .

Industrial Chemical Rotovap, Industrial Chemical Rotovap .

offers 767 industrial chemical rotovap products. About 95% of these are evaporator. A wide variety of industrial chemical rotovap options are available to you, such as vacuum distillation, rotary.

Formic Acid, 20% (w/w) | Reagents

Formic Acid, 20% (w/w) | Reagents

Acetic Acid; Ascorbic Acid; Barbituric Acid; Benzoic Acid; CDTA; Chromotropic Acid; Chlorosulfonic Acid; Citric Acid; Dichloroacetic Acid; View All; Buffers . General Purpose Buffers . . 10L 10L . Select. Select; Add Item To Group; Add Item To Cart; Found: 2 Items Compare 0 item(s) Your Filters. Clear All . ADD TO MY PRODUCTS LIST ADD TO CART .

Products | Product tags | Aqua Solutions, Inc. | Page 13

Products | Product tags | Aqua Solutions, Inc. | Page 13

6913 Highway 225 Deer Park, TX 77536. CALL: (800) 256-2586 Fax: (281) 479-2790

Uncategorized Archives | UD Technologies

Uncategorized Archives | UD Technologies

UD Technologies specializes in Designing and Manufacturing for Pilot Plants, Film Evaporators, Rotary Evaporators, Process Engineering Systems, Glass Shell And Tube Heat Exchangers, etc. with Customized Solutions

Experimental - University of Michigan

Experimental - University of Michigan

This triple-fluorinated version of acetic acid is nearly a hundred thousand times stronger than regular acetic acid. In vacuo 6. When your product is dissolved in a solvent, you can easily evaporate the solvent off using a rotary evaporator, or a rotovap. The rotovap will rotate your flask under a vacuum in a heating bath, which increases the .

Preparation of Buffer Solutions : Pharmaceutical Guidelines

Preparation of Buffer Solutions : Pharmaceutical Guidelines

Acetic Acid-Ammonium Acetate Buffer: Dissolve 77.1 g of ammonium acetate in water, add 57 ml of glacial acetic acid and dilute with water to 1000 ml. Acetic Ammonia Buffer pH 3.7, Ethanolic: To 15 ml of 5 M acetic acid add 60 ml of ethanol (95 percent) and 24 ml of water. Adjust the pH to 3.7 with 10 M ammonia and dilute with water to 100 ml.

Experimental - University of Michigan

Experimental - University of Michigan

This triple-fluorinated version of acetic acid is nearly a hundred thousand times stronger than regular acetic acid. In vacuo 6. When your product is dissolved in a solvent, you can easily evaporate the solvent off using a rotary evaporator, or a rotovap. The rotovap will rotate your flask under a vacuum in a heating bath, which increases the .

ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY .

ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY .

The rotovap works by increasing the rate of evaporation of the solvent by (1) reducing the pressure to lower the solvent boiling point, (2) rotating the sample to increase the effective surface area and (3) heating the solution. To use the rotovap, first make sure that the power is on (top right of the stand).

Acid-Base Solubility Tests: - Wellesley College

Acid-Base Solubility Tests: - Wellesley College

Acid-Base Solubility Tests: [Please write a general chemical reaction(s) for any positive solubility test result(s) that you obtain for your unknown compound. Your reaction should demonstrate how any organic compound with a specific functional group can dissolve/react in an aqueous solution.

Boc Removals with TFA in Peptide Synthesis : chemistry

Boc Removals with TFA in Peptide Synthesis : chemistry

TFA only has a boiling point of 72 C, so a rotovap + hivac for an hour should take care of it. It's known that hexanes will form an azeotrope with acetic acid, so you could try redissolving in hexanes and spinning it down a few times. level 1. Biophysical 1 point · 7 years ago.

HUDSON Store - Formsite

HUDSON Store - Formsite

Internal Store Order Form. Lab Supplies. Quantity

Butyl acetate - Wikipedia

Butyl acetate - Wikipedia

n-Butyl acetate, also known as butyl ethanoate, is an ester that is a colorless, flammable liquid at room temperature. It is found in many types of fruit, where along with other chemicals, it imparts characteristic flavors and has a sweet smell of banana or apple.

Acetic acid (glacial)  CAS 64-19-7 | 100063

Acetic acid (glacial) CAS 64-19-7 | 100063

Acetic acid (glacial) CAS 64-19-7 anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information.

APPLIED VACUUM TECHNOLOGY - Ideal Vacuum

APPLIED VACUUM TECHNOLOGY - Ideal Vacuum

Acetic Acid 1,1,2,2-Tetrachloroethane DMF Pentachloroethane DMSO Polymers RotoVap Flask Volume Pump Models System Models Pump Models System Models Pump Models System Models Pump Models System Models 1 L 2200 2 L 2034 2032 2210 10 L 2044 2025 2042 2026, 2027, 2028 1400 8890A-70 20 L 2014 2025 2042 2026, 2027 2052, 2062 2220, 2230 1402 1402 .

How to set up and run a flash chromatography column.

How to set up and run a flash chromatography column.

Add Acetic Acid to elutant. 0.1% to 5% as Rf permits: Compound is too basic or sensitive to acids: Add Triethylamine to elutant. 0.05% to 10% as Rf permits. Consider to run an alumina column instead of silica one: Compound is moisture sensitive Try dry neutral Alumina instead of silica. Dry silica under vacuum at 60 - 80C overnight.

Use of the Rotovap - University of Windsor

Use of the Rotovap - University of Windsor

These include: pyridine, water, TFA, acetic acid, acetic an-hydride, OR ANY OTHER ACIDIC or BASIC solvent that might destroy someone else's product. Note: Normally we use Acetone as the washing agent, however if your com-pound has a bad smell (thiol or amine), use Bleach. If you unsure how to clean the rotovap, please ask Trant, or Reynolds. 20.

What is THCA Crystalline and How it is Made | Seedsman Blog

What is THCA Crystalline and How it is Made | Seedsman Blog

Oct 26, 2018 · The second one is CBDA (cannabidiolic acid), although not relevant to this article, but just an FYI. THCA is a precursor to its pharmacologically active and commonly consumed analogue: THC. Just to reiterate what we shed light on earlier, as a living cannabis plant starts to wither during the last stages of senescence, the unstable cannabinoid .

Acids - Ricca Chemical - Home

Acids - Ricca Chemical - Home

R0130000-10F Acetic Acid, 5% v/v, Cubitainer® 10L R0130000-20F Acetic Acid, 5% v/v, Cubitainer® 20L R0135000-500A Acetic Acid, 10% v/v, Natural Poly 500mL R0135000-1A Acetic Acid, 10% v/v, Natural Poly 1L R0135000-4A Acetic Acid, 10% v/v, Natural Poly 4L R0135000-20F Acetic Acid, 10% v/v, Cubitainer® 20L R0135000-55E Acetic Acid, 10% v/v .