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| Other names | 3,4-Dimethoxy-5-hydroxyphenethylamine; 3-Hydroxy-4,5-dimethoxyphenethylamine; 3-Desmethylmescaline |
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| Formula | C10H15NO3 |
| Molar mass | 197.234 g·mol−1 |
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3-O-Desmethylmescaline, also known as 3-hydroxy-4,5-dimethoxyphenethylamine or 3-DESMETHYL, is an alkaloid of the phenethylamine and scaline families related to mescaline. [1] [2] [3] It is the analogue of mescaline in which the methyl ether at the 3-position hydroxyl group has been removed. [1] [2] [3]
The compound occurs naturally in various cacti species, for instance those of the genera Lophophora and Trichocereus , among others. [1] [3] It also occurs in certain Acacia species. [1] [3] 3-O-Desmethylmescaline may be a biosynthetic precursor of mescaline in cacti and is also known to be a minor metabolite of mescaline. [1] [3] The compound is also a biosynthetic precursor of several mescaline-related tetrahydroisoquinolines found in cacti, for instance anhalamine and anhalonidine. [1] [3]
The pharmacology of 3-O-desmethylmescaline is unknown. [1] In addition, according to Alexander Shulgin, the effects of 3-O-desmethylmescaline in humans are unknown, and it is unclear whether it might have psychedelic effects in humans similarly to mescaline. [1]