Found at 1 store we track
$3,800 per gram
50 milligrams for $190.00, about $190
At AbMole Bioscience, United States · Grade not stated
View at AbMole BioscienceDiphenhydramine suppliers and prices
- Formula
- C17H21NO
- CAS number
- 58-73-1
- Molar mass
- 255.35 g/mol
Every price we found
1 price from 1 store, checked November 1, 2026. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.
Converted to at the exchange rate of 2026-10-30. Each store charges in its own currency.
Show prices per
| Pack | Store | Grade and form | Price per unit | Link |
|---|---|---|---|---|
| 50 milligrams$190.00, about $190 | AbMole BioscienceUnited States | Grade not stated | $3,800 per gram |
No prices match these filters.
Cite these pricesA ready sentence and reference for your report
For your report
As of November 1, 2026, the lowest store price for diphenhydramine was $3,800 per gram: 50 milligrams for $190.00 at AbMole Bioscience.
Reference
APA, 7th edition
ChemicalSuppliers.com. (2026, November 1). Diphenhydramine suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/diphenhydramine/
ACS
Diphenhydramine Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/diphenhydramine/ (accessed 2026-11-01).
BibTeX
@misc{chemicalsuppliers-diphenhydramine,
author = {{ChemicalSuppliers.com}},
title = {{Diphenhydramine} suppliers and prices},
year = {2026},
date = {2026-11-01},
url = {https://www.chemicalsuppliers.com/diphenhydramine/},
urldate = {2026-11-01},
note = {Prices checked November 1, 2026}
}Prices change every day, so each line carries the date they were checked.
Making a solution?
Pick the strength and how much you need. We work out the grams of Diphenhydramine and what they cost at the cheapest store we track.
- You need
- 255 milligrams
- of Diphenhydramine, molar mass 255.35 g/mol
- That much costs
- $970.33
- $9,703 per litre of solution, at the lowest price per gram we found
- Cheapest way to buy it
- $1,140
- 6 packs of 50 milligrams at AbMole Bioscience
- View at AbMole Bioscience
Weigh it out, dissolve it in less water than you need, then top up to the full amount.
Chemical identity
Formula, molar mass, CAS number, InChIKey and the official PubChem record
- Formula
- C17H21NO
- Molar mass
- 255.35 g/mol
- CAS number
- 58-73-1
- InChIKey
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N
- Official record
- PubChem 3100
How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-30, then divided by the pack size. Shipping and tax are not included.