2C-G-5

2C-G-5, also known as 3,4-norbornyl-2,5-dimethoxyphenethylamine, is a psychedelic drug of the phenethylamine and 2C families. It is one of several homologues of 2C-G. The drug is taken orally. 2C-G-5 was encountered online as a novel designer drug in 2025.

Use and effects

In his book PiHKAL and other publications, Alexander Shulgin lists 2C-G-5's dose as 10 to 16mg orally and its duration as 32 to 48hours. The drug's onset is 1 to 2hours and its time to peak is 2.5 to 3hours. 2C-G-5 is reported to produce psychedelic effects including visuals, clear and cosmic thinking, and 2C-B-like enhanced eroticism, among others. It is among the most potent of the 2C psychedelics. However, its duration is described as too long, interfering with sleep and resulting in subsequent-day consequences like tiredness and sleepiness. 2C-G-5 was also the longest-lasting drug included in PiHKAL based on its specified duration.

Data on the pharmacology and toxicology of 2C-G-5 are unavailable.

The chemical synthesis of 2C-G-5 has been described.

s of 2C-G-5 include other compounds of the 2C-G and Ganesha series, among others. Examples include 2C-G, 2C-G-3, 2C-G-4, 2C-G-N, and G-5.

2C-G-5 was first described in the literature by Alexander Shulgin in his 1991 book PiHKAL. It was encountered online as a novel designer drug in 2025.

2C-G-5 is a controlled substance in Canada under phenethylamine blanket-ban language.