Row of five blue ball-and-stick quinolinium-type ring structures with varied amine positions, representing naming and spelling variants of 5-amino-1-methylquinolinium in chemical identity research.
Mindful Research

5-Amino-1-Methylquinolinium: Chemistry, Naming and Spelling Variants

Updated By: Mindful Research Team2 min read

Key takeaways

  • 5-Amino-1-methylquinolinium is the systematic name for the cation sold as 5-Amino-1MQ.
  • Variants (5 amino 1mq, 5 amino 1 mq, 5 amino mq, NNMTi) all point to the same molecule.
  • The bare fragment '5 amino' is ambiguous; confirm identity by identifier.
  • Cation CID 950107 (C10H11N2+, 159.21 g/mol); iodide salt CAS 42464-96-0 (286.11 g/mol).
  • For in vitro research use only.

5-Amino-1-methylquinolinium (5 amino 1 mq) is the systematic name for the quinolinium cation sold as 5-Amino-1MQ; the many spellings all point to the same NNMT-inhibitor small molecule.

Search traffic for this compound is scattered across abbreviations and misspellings. This guide maps the variants to one chemical identity so a listing can be matched with confidence.

What is the correct chemical name?

The systematic cation name is 5-amino-1-methylquinolinium: a quinolinium ring (a quinoline bearing a positive charge on the nitrogen) carrying a methyl group on N-1 and an amino group on C-5. The research abbreviation “5-Amino-1MQ” compresses “1-methylquinolinium.” It is also tagged “NNMTi” after its enzyme target, NNMT.

What spelling variants refer to the same molecule?

Variant seen in searches Refers to
5 amino 1mq / 5-amino-1MQ / 5amino1mq 5-Amino-1MQ
5 amino 1 mq / 5-amino-1-mq 5-Amino-1MQ
5 amino mq / 5-amino mq 5-Amino-1MQ (1-methyl omitted)
5 amino 1 methylquinolinium 5-amino-1-methylquinolinium (full name)
NNMTi Functional tag (NNMT inhibitor)

The bare fragment “5 amino” is ambiguous and can collide with unrelated amino compounds, so identity should always be confirmed against an identifier, not a nickname.

How is identity confirmed?

By identifier rather than spelling. The cation is PubChem CID 950107 (C10H11N2+, 159.21 g/mol); the iodide salt supplied for research is CAS 42464-96-0 (C10H11IN2, 286.11 g/mol). Reading those fields off a spec sheet is covered in reading a spec sheet, and mass confirmation in mass spectrometry for identity. The full chemistry sits in the 5-Amino-1MQ research profile, and the material is the 5-Amino-1MQ listing.

Related research guides

Research-use note

All materials discussed are supplied for in vitro laboratory research use only, and are not for human or animal use.

Frequently asked questions

What is the correct name for 5-Amino-1MQ?

The systematic cation name is 5-amino-1-methylquinolinium; '5-Amino-1MQ' is the research abbreviation and 'NNMTi' is a functional tag. 5-Amino-1MQ

Are 5 amino 1mq and 5 amino 1 mq the same thing?

Yes. 5 amino 1mq, 5 amino 1 mq, 5 amino mq and 5amino1mq are all spellings of the same quinolinium cation.

Is '5 amino' enough to identify it?

No. The bare fragment is ambiguous; confirm identity against an identifier such as CID 950107 or CAS 42464-96-0. reading a spec sheet

How is identity confirmed?

By formula and mass on a spec sheet and by mass spectrometry, not by the nickname. mass spectrometry

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