whats the difference between duac and benzaclin?
605375
They are both almost exactly the same.  They have the same active ingredients (benzoyl peroxide 5% and clindamycin 1%).  Duac is approved for once daily usage, and Benzaclin is twice daily - but I don't know that that makes one any better than the other.  Once a day is more convenient, but twice a day applies more medicine.\n\nGo with the cheaper of the two, or whatever your prescription plan covers!
492829
Hmm, the alpha-hydroxy carbon (CHOH) in benzoin is chiral:\n\nC6H6-CHOH-C(O)-C6H6\n\nso there should be optical activity.  These journal articles indicate that benzoin is optically active:\n\nhttp://turmac13.chem.columbia.edu/PDF_db/publications_401_450/444.pdf\nhttp://www.garfield.library.upenn.edu/histcomp/born-m_auth-citing/index-tc-99.html#\n\nPerhaps, if you are measuring a sample of benzoin made in the lab, you have a racemic mixture of enantiomers.  That would explain a lack of measurable optical activity.
649568
It helps in the transfer of electrons in the condensation of certain compounds.  Since your last question was about benzoin, i assume you're talking about this as well.  Check the reaction scheme here:\n\nhttp://www.monomerchem.com/benzoin.html
28723
Bisacodyl is the generic name for Dulcolax laxative.
550980
They are both in the same class of drug, called Proton Pump Inhibitors.  They both work in pretty much the same way.  Differences, one is purple, the other is pink/black (30mg).  Prilosec is available in generic (omeprazole) and over-the-counter, where Prevacid still has its patent and is only available as a prescription.  Insurance will probably pay for the Prevacid.  Many insurance companies won't pay for anything that is over-the-counter.
225634
None. They are two different compounds.\n\nIt looks like you want to compare a specific property of the alcohols. Please specify!
1058201
Diphenhydramine or better known as Benadryl.
316857
Part 2: Synthesis of Benzil \n\nStarting with the a-hydroxyketone benzoin (prepared in Part 1), you will prepare an oxidation product, benzil, which is an a-diketone. \n\n \n\nThis oxidation can easily be done with a variety of mild oxidizing agents, including Fehling's solution (an alkaline cupric tartrate complex) or copper(II) sulfate in pyridine.  In addition, benzoin could be oxidized by sodium dichromate, but the yield of benzil is lower because some of the benzoin is converted back into benzaldehyde following cleavage of the bond between the two oxidized carbon atoms, which is activated by the phenyl rings, producing benzoic acid as the final product.  In this experiment, due to ease of use and consistent results, we will use nitric acid as the oxidizing agent. \n\nCaution: Concentrated nitric acid is highly corrosive and causes severe burns if spilled onto your skin. Nitrogen dioxide (NO2) fumes are highly toxic and can damage the lungs due to inflammation. Do not breathe NO2 fumes, and perform this part of the experiment in the hood. \n\nProcedure \n\nHeat a mixture of 4.0 g of benzoin (prepared in Part 1; save enough for analysis, but proportion reagents as needed) into a round-bottom flask with 14.0 mL of concentrated nitric acid.  Add a stirring bar and attach a condenser to the top of the flask. Set up a reflux in the hood to vent NO2 produced during the reaction. With stirring, heat the reaction mixture. Begin timing the reaction when NO2 (red-brownish colored gas) are visible above the reaction mixture and gas bubbles are present on the stir bar. Reflux for at least 30 minutes, or until no more NO2 gas is apparent. Do not stop the reaction until the reaction is complete. Stop the reaction by removing the heating mantle, and letting the reaction mixture cool for about 5 minutes.  Add about 75 mL of cold water to the reaction mixture, cool to room temperature, and swirl for a minute or two to coagulate the precipitated product: collect and wash the yellow solid using vacuum filtration.  Continue drawing air through the crystals on the funnel by suction for about 5 minutes to assist in drying the crystals..  The crude product (dry weight 3.7-3.9 grams) need not be dried but can be crystallized at once from ethanol.  Dissolve the product in 10 mL of hot ethanol, add water dropwise to the cloud point (mixture goes from clear to cloudy, or solids being formed), and set aside to crystallize.  Record the yield, crystalline form, color, and melting point of the purified, and recrystallized, benzil.   \n\nTest for the presense of unoxidized benzoin: Dissolve about 0.5 mg of crude or purified benzil in 0.5 mL of 95% ethanol or methanol and add one drop of 10% NaOH.  If benzoin is present the solution soon acquires a purplish color owing to a complex of benzil with a product of autoxidation of benzoin.  If no color develops in 2-3 min, and indication that the sample is free from benzoin, add a small amount of benzoin, observe the color that develops, and not that if the test tube is stoppered and shaken vigorously the color momentarily disappears; when the soluton is then let stand, the color reappears. \n\nCleaning up: The aqueous filtrate (containing HNO3) should be neutralized with sodium carbonate, diluted with water, and flushed down the drain.  Ethanol used in crystallization should be placed in the organic solvents container.
999931
Hi! No, they're totally different.  Xenadrine gives you energy, that's it.  And Xenical blocks the fat from your food to be absorbed
1006754
They are similar. I take protonix and have taken prilosec. I like the protonix better.
186480
deodorant is used to just cover up the odor. anti persperant is used to close the pores so wetness doesnt come through the skin.
693187
They are both prescribed for allergies (allergic rhinitis).  \nAllegra (fexofenadine) is only available with a prescription, so its a bit more expensive.  It is a selective antihistamine.  Allegra interferes with the effectiveness of antacids and nevirapine.\nClaritin (loratadine) is available OTC, so you can actually get a bottle of 60 for under $10 for the generic stuff.  It is also a selective antihistamine.  Claritin does not seem to interact with any other medications. \nAllegra appears to have less side effects.  Allegra side effects include headache, dizziness, and/or drowsiness.  Claritin side effects include bronchospasm, headache, fatigue, dry mouth, nervousness, and/or abdominal pain.  \nLike any medication, the response for each patient differs.  Claritin did nothing for me.  I had severely inflamed nasal passages, but Allegra has been better.
1154935
methyl3-benzoyloxy-8-methyl-8-azabicyclo [3.2.1]octane-4-carboxylate  (thats the systematic name)\n\nFormula: C17H21NO4
373343
Is this of some help?\n\nhttp://72.14.203.104/search?q=cache:to52wOaPPV0J:www.emea.eu.int/humandocs/PDFs/EPAR/Zenapax/017599en6.pdf+primary+amino+acid+structure+of+Daclizumab+(Zenapax)&hl=en&gl=us&ct=clnk&cd=2
916446
Benzoin is a highly toxic crystalline substance with formula of  C6H5CH(OH)COC6H5, alpha-hydroxy aromatic ketone. It is a white to yellowish crystals; slightly soluble in water, soluble in acetone; melting at 137 C. It is  prepared by the condensation of benzaldehyde in an alkaline cyanide solution. Benzoin and its derivatives are used as intermedaites for the synthesis of organic compounds and as catalysts in photopolymerization. They are used for anticratering in powder coatings.
653818
Well, they are both used for heartburn. I don't know how they really compare, but I do know that for a lot of people Protonix is way too expensive. My pharmacist (I work at a pharmacy) always tells people complaining about the price to try Prilosec OTC and they will usually stick with it. You should call a pharmacy or your doctors office for more information though.
696025
b)carboxylic acid and an amine