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Ephedrine, pseudoephedrine, and phenylpropanolamine are precursor chemicals used in the illicit manufacture of methamphetamine or amphetamine. They are also common ingredients used to make cough, cold, and allergy products. It was argued that the CMEA would curtail the clandestine production of methamphetamine.
Nexafed is a formulation of pseudoephedrine developed by Acura Pharmaceuticals used to deter the use of the pseudoephedrine contained in the product for illicit methamphetamine synthesis. [1] Nexafed uses a polymer matrix that forms a thick gel when hydrated, preventing the extraction of pseudoephedrine. [ 2 ]
Pseudoephedrine, sold under the brand name Sudafed among others, is a sympathomimetic medication which is used as a decongestant to treat nasal congestion. [1] [13] [2] It has also been used off-label for certain other indications, like treatment of low blood pressure.
Ephedrine is the precursor of synthetic amphetamines. The diastereomer of ephedrine, pseudoephedrine is found in Ephedra sinica together along with ephedrine. Ephedrine and pseudoephedrine are both generally used for weight reduction and performance enhancement. They can also be reduced to methamphetamine. [2]
The bag contained a box of pseudoephedrine and a receipt showing a purchase of Coleman fuel, which are ingredients to make meth. ... was released from jail one month later so she could finish her ...
It reacts pseudoephedrine with liquid anhydrous ammonia and an alkali metal such as sodium or lithium. The reaction is allowed to stand until the ammonia evaporates. [ 114 ] However, the Birch reduction is dangerous because the alkali metal and ammonia are both extremely reactive, and the temperature of liquid ammonia makes it susceptible to ...
Changes to federal regulations in 1988 and throughout the 1990s enabled the DEA to more closely track the ephedrine and pseudoephedrine precursors. [8] Many individual States have enacted precursor control laws which limit the sale of over-the-counter cold medications which contain ephedrine or pseudoephedrine. [14]
The FDA assembled its outside advisers to take another look at phenylephrine, which became the main drug in over-the-counter decongestants when medicines with an older ingredient ...