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Chen-Kao reaction, the Glossary

The Chen-Kao reaction (named after Ko Kuei Chen and Chung-Hsi Kao, Madison, Wisconsin 1926) is a chemical method for determining the presence of pseudoephedrine, ephedrine, and similar phenylalkylamines.^[1]

35 relations: Acetic acid, Amphetamine, Cathinone, Cobalt(II) thiocyanate, Coordination complex, Copper, Copper sulfate, Copper(II) sulfate, Diethyl ether, Dille–Koppanyi reagent, Drug checking, Drug test, Duquenois–Levine reagent, Ehrlich's reagent, Ephedrine, Equivalent concentration, Froehde reagent, Gold(III) bromide, Journal of the American Pharmacists Association, K. K. Chen, Liebermann reagent, Mandelin reagent, Marquis reagent, Mecke reagent, Methamphetamine, Methcathinone, Phenylpropanolamine, Pseudoephedrine, Simon's reagent, Sodium hydroxide, Spot analysis, Spot plate, Substituted phenethylamine, Zwikker reagent, 1-Butanol.
Analytical reagents
Drug testing reagents

Acetic acid

Acetic acid, systematically named ethanoic acid, is an acidic, colourless liquid and organic compound with the chemical formula (also written as,, or). Vinegar is at least 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water.

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Amphetamine

Amphetamine (contracted from alpha-methylphenethylamine) is a central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, and obesity.

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Cathinone

Cathinone (also known as benzoylethanamine, or β-keto-amphetamine) is a monoamine alkaloid found in the shrub Catha edulis (khat) and is chemically similar to ephedrine, cathine, methcathinone and other amphetamines.

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Cobalt(II) thiocyanate

Cobalt(II) thiocyanate is an inorganic compound with the formula Co(SCN)2. Chen-Kao reaction and Cobalt(II) thiocyanate are chemical tests and drug testing reagents.

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Coordination complex

A coordination complex is a chemical compound consisting of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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Copper

Copper is a chemical element; it has symbol Cu and atomic number 29.

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Copper sulfate

Copper sulfate may refer to.

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Copper(II) sulfate

Copper(II) sulfate is an inorganic compound with the chemical formula.

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Diethyl ether

Diethyl ether, or simply ether, is an organic compound with the chemical formula, sometimes abbreviated as.

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Dille–Koppanyi reagent

The Dille–Koppanyi reagent is used as a simple spot-test to presumptively identify barbiturates. Chen-Kao reaction and Dille–Koppanyi reagent are Analytical reagents, chemical tests and drug testing reagents.

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Drug checking

Drug checking or pill testing is a way to reduce the harm from drug consumption by allowing users to find out the content and purity of substances that they intend to consume. Chen-Kao reaction and drug checking are drug testing reagents.

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Drug test

A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.

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Duquenois–Levine reagent

The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test), which is an established screening test for the presence of cannabis. Chen-Kao reaction and Duquenois–Levine reagent are chemical tests and drug testing reagents.

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Ehrlich's reagent

Ehrlich's reagent or Ehrlich reagent is a reagent containing ''p''-dimethylaminobenzaldehyde (DMAB) and thus can act as an indicator to presumptively identify indoles and urobilinogen. Chen-Kao reaction and Ehrlich's reagent are Analytical reagents, chemical tests and drug testing reagents.

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Ephedrine

Ephedrine is a central nervous system (CNS) stimulant that is often used to prevent low blood pressure during anesthesia.

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Equivalent concentration

In chemistry, the equivalent concentration or normality of a solution is defined as the molar concentration divided by an equivalence factor or -factor: N.

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Froehde reagent

The Froehde reagent is used as a simple spot-test to presumptively identify alkaloids, especially opioids, as well as other compounds. Chen-Kao reaction and Froehde reagent are Analytical reagents, chemical tests and drug testing reagents.

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Gold(III) bromide

Gold(III) bromide is a dark-red to black crystalline solid. Chen-Kao reaction and Gold(III) bromide are drug testing reagents.

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Journal of the American Pharmacists Association

The Journal of the American Pharmacists Association is a bimonthly peer-reviewed medical journal covering pharmacy-related topics.

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K. K. Chen

Ko Kuei Chen (26 February 1898 – 12 December 1988) was a Chinese-American scientist who led pharmacological research at Eli Lilly and Company for 34 years.

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Liebermann reagent

The Liebermann reagent named after Hungarian chemist Leo Liebermann (1852-1926) is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. Chen-Kao reaction and Liebermann reagent are Analytical reagents, chemical tests and drug testing reagents.

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Mandelin reagent

The Mandelin reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. Chen-Kao reaction and Mandelin reagent are Analytical reagents, chemical tests and drug testing reagents.

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Marquis reagent

Marquis reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. Chen-Kao reaction and Marquis reagent are Analytical reagents, chemical tests and drug testing reagents.

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Mecke reagent

The Mecke reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. Chen-Kao reaction and Mecke reagent are Analytical reagents, chemical tests and drug testing reagents.

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Methamphetamine

Methamphetamine (contracted from) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity.

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Methcathinone

Methcathinone (α-methylamino-propiophenone or ephedrone) (sometimes called "cat" or "jeff" or "catnip" or "M-Kat" or "kat" or "intash") is a monoamine alkaloid and psychoactive stimulant, a substituted cathinone.

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Phenylpropanolamine

Phenylpropanolamine (PPA) is a sympathomimetic agent which is used as a decongestant and appetite suppressant.

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Pseudoephedrine

Pseudoephedrine, sold under the brand name Sudafed among others, is a sympathomimetic medication which is used as a decongestant to treat nasal congestion.

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Simon's reagent

Simon's reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. Chen-Kao reaction and Simon's reagent are Analytical reagents, chemical tests and drug testing reagents.

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Sodium hydroxide

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula.

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Spot analysis

Spot analysis, spot test analysis, or spot test is a chemical test, a simple and efficient technique where analytic assays are executed in only one, or a few drops, of a chemical solution, preferably in a great piece of filter paper, without using any sophisticated instrumentation. Chen-Kao reaction and spot analysis are chemical tests.

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Spot plate

A spot plate, also called a reaction plate is a laboratory tool made either from ceramics or plastics.

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Substituted phenethylamine

Substituted phenethylamines (or simply phenethylamines) are a chemical class of organic compounds that are based upon the phenethylamine structure; the class is composed of all the derivative compounds of phenethylamine which can be formed by replacing, or substituting, one or more hydrogen atoms in the phenethylamine core structure with substituents.

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Zwikker reagent

The Zwikker reagent is used as a simple spot-test to presumptively identify barbiturates. Chen-Kao reaction and Zwikker reagent are Analytical reagents, chemical tests and drug testing reagents.

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1-Butanol

1-Butanol, also known as butan-1-ol or n-butanol, is a primary alcohol with the chemical formula C4H9OH and a linear structure.

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References

[1] https://en.wikipedia.org/wiki/Chen-Kao_reaction

Chen-Kao reaction, the Glossary

Table of Contents

See also

Analytical reagents

Drug testing reagents

References