Promethazine Hydrochloride suppliers and prices

Formula: C₁₇H₂₁ClN₂S
CAS number: 58-33-3
Molar mass: 320.90 g/mol

Cheapest by weight

$17.00 per gram

5 grams for $85.00

At AbMole Bioscience, United States · Grade not stated

View at AbMole Bioscience

Lowest total price

$60.00 for 1 gram

Works out at $60.00 per gram

At AbMole Bioscience, United States

View at AbMole Bioscience

Every price we found

4 prices from 2 stores, checked November 1, 2026. In stock from $17.00 to $60.00 per gram, depending on pack size and store. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.

SortShow prices per Currency

Showing all 4 prices

Pack	Store	Grade and form	Price per unit
5 grams$85.00	AbMole BioscienceUnited States	Lowest priceGrade not stated	$17.00 per gram
1 gram$60.00	AbMole BioscienceUnited States	Grade not stated	$60.00 per gram
10 grams$40.00	SyntreeCN	Out of stockGrade not stated	$4.00 per gram
5 grams$32.00	SyntreeCN	Out of stockGrade not stated	$6.40 per gram

Cite these pricesA ready sentence and reference for your report

For your report

As of November 1, 2026, the lowest store price for promethazine hydrochloride was $17.00 per gram: 5 grams for $85.00 at AbMole Bioscience.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, November 1). Promethazine hydrochloride suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/promethazine-hydrochloride/

ACS

Promethazine Hydrochloride Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/promethazine-hydrochloride/ (accessed 2026-11-01).

BibTeX

@misc{chemicalsuppliers-promethazine-hydrochloride,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Promethazine hydrochloride} suppliers and prices},
  year    = {2026},
  date    = {2026-11-01},
  url     = {https://www.chemicalsuppliers.com/promethazine-hydrochloride/},
  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 Promethazine Hydrochloride and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 321 milligrams; of Promethazine Hydrochloride, molar mass 320.90 g/mol
That much costs: $5.46; $54.55 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $60.00; 1 pack of 1 gram 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.

Similar chemicals

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Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record

Formula: C₁₇H₂₁ClN₂S
Molar mass: 320.90 g/mol
CAS number: 58-33-3
InChIKey: XXPDBLUZJRXNNZ-UHFFFAOYSA-N
Official record: PubChem 6014

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.