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Phenylpropanolamine was first synthesized in the early 20th century, in or around 1910. [21] [11] It was patented as a mydriatic in 1913. [21] The pressor effects of phenylpropanolamine were characterized in the late 1920s and the 1930s. [21] Phenylpropanolamine was first introduced for medical use by the 1930s. [23] [11]
phenylpropanolamine (no longer OTC due to a proposed increased risk of stroke in younger women) Retail provisions of the CMEA include daily sales limits and 30-day purchase limits, placement of product out of direct customer access, sales logbooks, customer ID verification, employee training, and self-certification of regulated sellers.
25316-40-9 Doxycycline: 564-25-0 Doxycycline calcium: 94088-85-4 Doxycycline hyclate: 24390-14-5 Doxycycline monohydrate: 17086-28-1 Emissions from Combustion of coal – Emissions from high-temperature unrefined rapeseed oil – Endrin: 72-20-8 Environmental tobacco smoke (ETS) – Epichlorohydrin: 106-89-8 Epoxiconazole: 135319-73-2 ...
Some β-hydroxyamphetamines have had their side chain extended and cyclized.Examples include certain substituted phenylmorpholines like phenmetrazine and phendimetrazine and their analogues; substituted phenylmorpholines related to bupropion like radafaxine (cyclized (2S,3S)-hydroxybupropion) and manifaxine; certain substituted aminorexes like 4-methylaminorex and 4,4'-dimethylaminorex; and ...
Norephedrine (phenylpropanolamine) is an active metabolite of ephedrine formed via N-demethylation. [ 6 ] [ 10 ] About 8 to 20% of an oral dose of ephedrine is demethylated into norephedrine, about 4 to 13% is oxidatively deaminated into benzoic acid , and a small fraction is converted into 1,2-dihydroxy-1-phenylpropane.
Phentermine is used for a short period of time to promote weight loss, if exercise and calorie reduction are not sufficient, and in addition to exercise and calorie reduction.
New York City residents may soon see warning labels next to sugary foods and drinks in chain restaurants and coffee shops, under a law set to go into effect later this year. The rule requires food ...
For example, between 2010 and 2018, outputs of chemicals and their products in Indonesia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam, increased in value by nearly 40 per cent from US$132 billion to US$181 billion. [5] Examples of such precursors and drugs made with them are listed below.