Lapatinib suppliers and prices

Formula: C₂₉H₂₆ClFN₄O₄S
CAS number: 231277-92-2
Molar mass: 581.10 g/mol

Cheapest by weight

$2,360 per gram

100 milligrams for $236.00

At LKT Laboratories, Inc. , United States · Grade not stated

View at LKT Laboratories, Inc.

Lowest total price

$130.00 for 50 milligrams

Works out at $2,600 per gram

At Focus Biomolecules, United States

View at Focus Biomolecules

Every price we found

2 prices from 2 stores, checked October 30, 2026. In stock from $2,360 to $2,600 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

Pack	Store	Grade and form	Price per unit	Link
100 milligrams$236.00	LKT Laboratories, Inc. United States	Lowest priceGrade not stated	$2,360 per gram
50 milligrams$130.00	Focus BiomoleculesUnited States	Grade not stated	$2,600 per gram

Cite these pricesA ready sentence and reference for your report

For your report

As of October 30, 2026, the lowest store price for lapatinib was $2,360 per gram: 100 milligrams for $236.00 at LKT Laboratories, Inc. .

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 30). Lapatinib suppliers and prices. Retrieved October 31, 2026, from https://www.chemicalsuppliers.com/lapatinib/

ACS

Lapatinib Suppliers and Prices. ChemicalSuppliers.com, October 30, 2026. https://www.chemicalsuppliers.com/lapatinib/ (accessed 2026-10-31).

BibTeX

@misc{chemicalsuppliers-lapatinib,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Lapatinib} suppliers and prices},
  year    = {2026},
  date    = {2026-10-30},
  url     = {https://www.chemicalsuppliers.com/lapatinib/},
  urldate = {2026-10-31},
  note    = {Prices checked October 30, 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 Lapatinib and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 581 milligrams; of Lapatinib, molar mass 581.10 g/mol
That much costs: $1,371; $13,714 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $1,416; 6 packs of 100 milligrams at LKT Laboratories, Inc.; View at LKT Laboratories, Inc.

Weigh it out, dissolve it in less water than you need, then top up to the full amount.

Similar chemicals

Sold by

Chemical identity

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

Formula: C₂₉H₂₆ClFN₄O₄S
Molar mass: 581.10 g/mol
CAS number: 231277-92-2
InChIKey: BCFGMOOMADDAQU-UHFFFAOYSA-N
Official record: PubChem 208908

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.