Psychedelic Research Chemicals or RC Chems are new synthetic substances which are structurally similar to the original drug, while being functional analogs. Data on their effects limited due as they’re fairly new and do not have a lot of human consumption history.

Psychedelics are substances (natural or laboratory made) which cause profound changes in a one’s perceptions of reality. While under the influence of hallucinogens, users might hallcuniate visually and auditorily.

This is an Experimental Substance with little data. This is most likely because the substance is is not very old. Information is limite and incomplete.

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25I-NBMD Also known as:

  • 1,3-Benzodioxole-4-methanamine, N-[2-(4-iodo-2,5-dimethoxyphenyl)ethyl]-[ACD/Index Name]
  • Cimbi-29
  • N-(1,3-Benzodioxol-4-ylmethyl)-2-(4-iod-2,5-dimethoxyphenyl)ethanamin[German][ACD/IUPAC Name]
  • N-(1,3-Benzodioxol-4-ylmethyl)-2-(4-iodo-2,5-dimethoxyphenyl)ethanamine[ACD/IUPAC Name]
  • N-(1,3-Benzodioxol-4-ylméthyl)-2-(4-iodo-2,5-diméthoxyphényl)éthanamine[French][ACD/IUPAC Name]
  • NBMD-2C-I
  • R99110126K
  • N-(1,3-benzodioxy-4-ylmethyl)-2-(4-jodo-2,5-dimethoxyphenyl)ethanamine[ACD/IUPAC Name]
  • N-[(2H-1,3-Benzodioxol-4-yl)methyl]-2-(4-iodo-2,5-dimethoxyphenyl)ethan-1-amine
  • UNII:R99110126K

A psychedelic phenethylamine that is related to the 25X-NBOMe series which in turn makes it related to the 2C-X series. Quite potent substance.


Common Name25I-NBMD
Systematic name25I-NBMD
Std. InChiInChI=1S/C18H20INO4/c1-21-16-9-14(19)17(22-2)8-12(16)6-7-20-10-13-4-3-5-15-18(13)24-11-23-15/h3-5,8-9,20H,6-7,10-11H2,1-2H3
Avg. Mass441.2602 Da
Molecular Weight441.2602
Monoisotopic Mass441.043701 Da
Nominal Mass441
ChemSpider ID26234932

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Dose Chart


Duration Chart

25I-NBMD Duration Data
Onset20-40 minutes
Duration4-6 hours
After-effects1-8 hours


Information made possible with:

  1. PsychonautWiki is a community-driven online encyclopedia that aims to document the field of psychonautics in a comprehensive, scientifically-grounded manner.
  2. Erowid is a non-profit educational & harm-reduction resource with 60 thousand pages of online information about psychoactive drugs
  3. PubChem National Center for Bio Informatics
  4. Chemspider is a free chemical structure database providing fast access to over 34 million structures, properties and associated information.
  5. Wikipedia

Additional APIs were used to construct this information. Thanks to ChemSpider, NCBI, PubChem etc.

Data is constantly updated so please check back later to see if there is any more available information on this substance.