A 5-Amino-1MQ vial is usually the iodide salt, which is 44% heavier than the active cation. What that does to the concentration, and the water per vial.
5-Amino-1MQ is the odd entry in this set. It is not a peptide, its vials are ten to twenty times larger than the peptide vials around it, and it is handled in milligrams rather than micrograms. All of that makes the arithmetic easier, not harder. What makes it genuinely different is a labelling question that most compounds here never raise: the substance is normally supplied as an iodide salt, and the salt is nearly twice the weight of the active part it carries. This page works through the water, the concentration and the units, and then works through what the salt does to all three. It reports and does not recommend.
The 5-Amino-1MQ calculator runs the same sums for any vial and volume, the sourced dose figures and their provenance are on the 5-Amino-1MQ dosage page, and every compound's arithmetic is indexed on the reconstitution hub.
Water per vial and the concentration it gives
One U-100 unit is a hundredth of a millilitre. The concentrations here are stated in milligrams per millilitre rather than micrograms, because at this scale micrograms produce unreadable numbers.
| Vial |
Water |
Concentration |
One unit holds |
| 50 mg |
1 mL |
50 mg/mL |
0.5 mg |
| 50 mg |
2 mL |
25 mg/mL |
0.25 mg |
| 50 mg |
3 mL |
16.7 mg/mL |
0.167 mg |
| 100 mg |
1 mL |
100 mg/mL |
1 mg |
| 100 mg |
2 mL |
50 mg/mL |
0.5 mg |
| 100 mg |
3 mL |
33.3 mg/mL |
0.333 mg |
A 100 mg vial in 1 mL is a 10% solution, and 50 mg in 1 mL is 5%. For comparison, a 10 mg peptide vial in 2 mL is 0.5%. Whether a given amount of this compound will actually dissolve at those concentrations is a property of the specific material and its salt form, and is not something arithmetic can answer; the table states what the concentration would be if it does.
What the draws read as
| Amount |
50 mg in 1 mL |
50 mg in 2 mL |
50 mg in 3 mL |
100 mg in 1 mL |
100 mg in 2 mL |
| 1 mg |
2 units |
4 units |
6 units |
1 unit |
2 units |
| 2.5 mg |
5 units |
10 units |
15 units |
2.5 units |
5 units |
| 5 mg |
10 units |
20 units |
30 units |
5 units |
10 units |
| 10 mg |
20 units |
40 units |
60 units |
10 units |
20 units |
These are comfortable readings across the whole table, which is the one respect in which this compound is easier than the microgram-scale peptides on neighbouring pages: nothing here lands at half a unit.
The salt, and why it is the real question
The published work uses the iodide salt. The 2024 bladder-cancer paper names it in full — "5-Amino-1-methylquinolinium iodide" — and PubChem lists it as a separate entry from the cation:
| Species |
Formula |
Molecular weight |
PubChem CID |
| Active cation |
C10H11N2+ |
159.21 |
950107 |
| Iodide salt |
C10H11IN2 |
286.11 |
66522933 |
The cation is 159.21 of the salt's 286.11, which is 55.6%. So:
| If the vial is labelled |
50 mg vial contains |
100 mg vial contains |
| by cation (free base) weight |
50 mg of active |
100 mg of active |
| by iodide salt weight |
27.8 mg of active |
55.6 mg of active |
The difference is a factor of 1.8. To put that in context, the entire span of water volumes on this page — 1 mL to 3 mL — changes a reading by a factor of three, and people take care over that choice. The salt question changes the underlying amount by nearly two, and it is invisible: it lives in a labelling convention rather than in anything a person doing the arithmetic can see or measure.
No vendor label this site could check states which convention it uses. That is the honest end of this section. The arithmetic can show what the two possibilities are; it cannot say which one applies to any particular vial, and nothing on this page should be read as resolving it.
How many amounts a vial holds
Set by the milligrams in the vial, unchanged by the water:
| Amount |
50 mg vial |
100 mg vial |
| 2.5 mg |
20 |
40 |
| 5 mg |
10 |
20 |
| 10 mg |
5 |
10 |
If the vial is labelled by salt weight, the counts above are still correct as counts of draws — but each draw carries 55.6% as much of the active cation.
What is not established
Almost everything about this compound's use in people. There is no human study of any size: three preclinical records exist under the full chemical name, covering mice on a low-fat diet, mouse bladder-cancer models and HeLa cells, and nothing else. ClinicalTrials.gov returned zero registrations and DailyMed zero labels on 2026-09-21, both checked in the same session as searches that returned results.
One detail of that census is worth stating on its own, because it is the sort of thing that produces a wrong number quietly. A search for the name the vial is sold by — 5-Amino-1MQ — returns nothing at all. The literature is there, but only under the full chemical name. A page reporting that this compound has no published research would be wrong; a page reporting that it has no human research is right. The difference is one search term.
Finally, the compound is widely sold as an oral capsule in the same 50 mg and 100 mg strengths as the vial. An oral capsule and an injected solution are not interchangeable amounts, and the figures circulating for the two routes differ by roughly twentyfold — 50 to 150 mg orally against 2.5 to 5 mg injected, per this site's chart. Neither figure has a published source that this site could find.
The mechanism and the evidence file are covered in Medibact's 5-Amino-1MQ guide. For a compound whose published amounts are per kilogram rather than fixed, the Melanotan II reconstitution page works that case through, and the all-compounds chart sets every compound's figures side by side.
