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Racemic mixture information


In chemistry, a racemic mixture or racemate (/rˈsmt, rə-, ˈræsɪmt/),[1] is one that has equal amounts of left- and right-handed enantiomers of a chiral molecule or salt. Racemic mixtures are rare in nature, but many compounds are produced industrially as racemates.

  1. ^ "racemate". Merriam-Webster.com Dictionary. Retrieved 8 July 2018.

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Racemic mixture

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salt. Racemic mixtures are rare in nature, but many compounds are produced industrially as racemates. The first known racemic mixture was racemic acid...

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Racemization

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separate (+) and (−) forms, or a single racemic compound. However, in liquid and gaseous states, racemic mixtures will behave with physical properties that...

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Enantiomer

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with chirality rotate plane-polarized light. A mixture of equal amounts of each enantiomer, a racemic mixture or a racemate, does not rotate light. Stereoisomers...

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Tocopherol

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and the USDA now convert IU's of the racemic mixture to milligrams of equivalent RRR using 1 IU racemic mixture = 0.45 "milligrams α-tocopherol".: 20–21 ...

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Enantiopure drug

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by nature are not selective reactions, racemic mixtures are formed as the products. Separating racemic mixtures into their respective enantiomers takes...

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C5H8

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two cis-trans isomers, CAS 591-95-7 1,3 Pentadiene, CAS 504-60-9 (racemic mixture) cis-1,3-Pentadiene or (Z)-1,3-pentadiene, CAS 1574-41-0 trans-1,3-Pentadiene...

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Chiral resolution

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resolution, is a process in stereochemistry for the separation of racemic mixture into their enantiomers. It is an important tool in the production of...

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Dobutamine

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contractility and cardiac output. Dobutamine is administered as a racemic mixture consisting of both (+) and (−) isomers; the (+) isomer is a potent...

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Homochirality

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due to it. Deterministic mechanisms for the production of non-racemic mixtures from racemic starting materials include: asymmetric physical laws, such as...

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Chiral drugs

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composition. Hence "chiral drug" does not say whether the drug is racemic (racemic drug), single enantiomer (chiral specific drug) or some other combination...

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Tartaric acid

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the epoxide is hydrolyzed. OC2H2(CO2H)2 + H2O → (HOCH)2(CO2H)2 A mixture of racemic acid and meso-tartaric acid is formed when dextro-Tartaric acid is...

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Kinetic resolution

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kinetic resolution is a means of differentiating two enantiomers in a racemic mixture. In kinetic resolution, two enantiomers react with different reaction...

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Epichlorohydrin

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organic solvents. It is a chiral molecule generally existing as a racemic mixture of right-handed and left-handed enantiomers. Epichlorohydrin is a highly...

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Salbutamol

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4′-O-sulfate, which is excreted in the urine. Salbutamol is sold as a racemic mixture. The (R)-(−)-enantiomer (CIP nomenclature) is shown in the image at...

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Citalopram

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termed S-(+)-citalopram and R-(–)-citalopram. Citalopram is sold as a racemic mixture, consisting of 50% (R)-(−)-citalopram and 50% (S)-(+)-citalopram. Only...

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Thalidomide

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sexual dysfunction as side effects in men. Thalidomide is provided as a racemic mixture of two enantiomers; while there are reports that only one of the enantiomers...

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Racemic acid

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Racemic acid is an old name for an optically inactive or racemic form of tartaric acid. It is an equal mixture of two mirror-image isomers (enantiomers)...

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Adderall

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amphetamine salts containing four salts of amphetamine. The mixture is composed of equal parts racemic amphetamine and dextroamphetamine, which produces a (3:1)...

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Norpseudoephedrine

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L-Norpseudoephedrine, the (-)-enantiomer of the compound An article for the racemic mixture of the compound does not currently exist. This set index article lists...

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Lilial

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000 ton per year scale. Lilial is commonly produced and sold as a racemic mixture; however, testing has indicated that the different enantiomers of the...

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Rhodinol

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to mixtures comprising mostly L- or racemic citronellol and geraniol, or to mixtures comprising mostly racemic 3,7-dimethyloct-7-en-1-ol and racemic citronellol...

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Ibuprofen

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degrees of analgesia and gastric damage. Ibuprofen is administered as a racemic mixture. The R-enantiomer undergoes extensive interconversion to the S-enantiomer...

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Ketoconazole

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as an antagonist of the glucocorticoid receptor. Ketoconazole is a racemic mixture consisting of cis-(2S,4R)-(−) and cis-(2R,4S)-(+) enantiomers. The...

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Dimepheptanol

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drugs, which refer to the racemic mixture dimepheptanol, and the two optical isomers. Each of these isomers is itself a mixture of two isomers, and so there...

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Amphetamine

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stereogenic center, and amphetamine is composed of a racemic 1:1 mixture of two enantiomers. This racemic mixture can be separated into its optical isomers: levoamphetamine...

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Mandelic acid

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is a useful precursor to various drugs. The molecule is chiral. The racemic mixture is known as paramandelic acid. Mandelic acid was discovered in 1831...

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Phenylalanine

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synthesis, either as a single enantiomer or as a component of the racemic mixture. It does not participate in protein biosynthesis although it is found...

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Mebeverine

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in two enantiomeric forms. The commercially available product is a racemic mixture of them. A study in rats indicates that the two have different pharmacokinetic...

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Tramadol

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to the racemate (1:1 mixture) of (1R,2R)-isomer and the (1S,2S)-isomer as the main products. Minor amounts of the racemic mixture of the (1R,2S)-isomer...

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Levorphanol

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the "left-handed" (levorotatory) stereoisomer of racemorphan, the racemic mixture of the two stereoisomers with differing pharmacology. The "right-handed"...

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