Erythromycin suppliers and prices

Formula: C₃₇H₆₇NO₁₃
CAS number: 114-07-8
Molar mass: 733.90 g/mol

Cheapest by weight

$709 per kilogram

Price per unit, converted to US dollars

At Xenex Laboratories, Canada

Pack: 500 grams for 495.00 CAD
Grade: USP grade · packs of 50 grams to 1 kilogram

View at Xenex Laboratories

Smallest amount to spend

14.50 CAD for 5 grams

Total for one pack, in the store's own currency

At Xenex Laboratories, Canada

Works out at: $2.08 per gram
Grade: USP grade · packs of 2 to 10 grams

View at Xenex Laboratories

6 offers from 3 stores · Prices checked October 28 to October 29, 2026 · Prices run from $709 to $22.76 per kilogram, because a bigger pack costs less per kilogram.

Show prices per

Every price we found

6 prices, cheapest first

Store	Grade and pack	Price	Link
Xenex LaboratoriesCanadaLowest price	USP grade · packs of 50 grams to 1 kilogram500 grams for 495.00 CAD	$709 per kilogram	View at store
Xenex LaboratoriesCanada	USP grade · packs of 10 to 50 grams25 grams for 29.50 CAD	$0.84 per gram	View at store
Xenex LaboratoriesCanada	USP grade · packs of 2 to 10 grams5 grams for 14.50 CAD	$2.08 per gram	View at store
HiMediaIN	Grade not stated · packs of 10 to 50 grams25 grams for $167.60	$6.70 per gram	View at store
MolekulaUnited Kingdom	Grade not stated · packs of 2 to 10 grams5 grams for $78.30	$15.66 per gram	View at store
HiMediaIN	Grade not stated · packs of 2 to 10 grams5 grams for $113.80	$22.76 per gram	View at store

Cite these pricesA ready sentence and reference for your report

For your report

As of October 29, 2026, the lowest store price for erythromycin was $709 per kilogram, converted to US dollars: 500 grams of USP grade for 495.00 CAD at Xenex Laboratories.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 29). Erythromycin suppliers and prices. Retrieved October 30, 2026, from https://www.chemicalsuppliers.com/erythromycin/

ACS

Erythromycin Suppliers and Prices. ChemicalSuppliers.com, October 29, 2026. https://www.chemicalsuppliers.com/erythromycin/ (accessed 2026-10-30).

BibTeX

@misc{chemicalsuppliers-erythromycin,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Erythromycin} suppliers and prices},
  year    = {2026},
  date    = {2026-10-29},
  url     = {https://www.chemicalsuppliers.com/erythromycin/},
  urldate = {2026-10-30},
  note    = {Prices checked October 29, 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 Erythromycin and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 734 milligrams; of Erythromycin, molar mass 733.90 g/mol
That much costs: $0.52; $5.20 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $10.38; 1 pack of 5 grams at Xenex Laboratories; View at Xenex Laboratories

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: C₃₇H₆₇NO₁₃
Molar mass: 733.90 g/mol
CAS number: 114-07-8
InChIKey: ULGZDMOVFRHVEP-RWJQBGPGSA-N
Official record: PubChem 12560

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.