ChemicalSuppliers.com

Coumarin 343 suppliers and prices

Formula
C16H15NO4
CAS number
55804-65-4
Molar mass
285.29 g/mol

Cheapest by weight

$5,130 per kilogram

5 kilograms for $25,650.00

At CHIRALEN, CN · Grade not stated

View at CHIRALEN

Lowest total price

$90.00 for 250 milligrams

Works out at $360 per gram

At CHIRALEN, CN

View at CHIRALEN

Every price we found

5 prices from 2 stores, checked October 30, 2026. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.

Showing all 5 prices

PackStoreGrade and formPrice per unitLink
5 kilograms$25,650.00 CHIRALENCN Lowest priceGrade not stated $5,130 per kilogram
1 gram$328.00 CHIRALENCN Grade not stated $328 per gram
250 milligrams$90.00 CHIRALENCN Grade not stated $360 per gram
500 milligrams$340.00 AxispharmUnited States Grade not stated $680 per gram
250 milligrams$210.00 AxispharmUnited States Grade not stated $840 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 coumarin 343 was $5,130 per kilogram: 5 kilograms for $25,650.00 at CHIRALEN.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 30). Coumarin 343 suppliers and prices. Retrieved October 31, 2026, from https://www.chemicalsuppliers.com/coumarin-343/

ACS

Coumarin 343 Suppliers and Prices. ChemicalSuppliers.com, October 30, 2026. https://www.chemicalsuppliers.com/coumarin-343/ (accessed 2026-10-31).

BibTeX

@misc{chemicalsuppliers-coumarin-343,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Coumarin 343} suppliers and prices},
  year    = {2026},
  date    = {2026-10-30},
  url     = {https://www.chemicalsuppliers.com/coumarin-343/},
  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 Coumarin 343 and what they cost at the cheapest store we track.
You need
285 milligrams
of Coumarin 343, molar mass 285.29 g/mol
That much costs
$1.46
$14.64 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$180.00
2 packs of 250 milligrams at CHIRALEN
View at CHIRALEN

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

Bulk suppliers

30 companies list it on PubChem or their own site. Ask any of them for a quote.

Your company? List it free and get bulk buyer requests.

Similar chemicals

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Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record
Formula
C16H15NO4
Molar mass
285.29 g/mol
CAS number
55804-65-4
InChIKey
KCDCNGXPPGQERR-UHFFFAOYSA-N
Official record
PubChem 108770

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.