ChemicalSuppliers.com

Pyranine suppliers and prices

Formula
C16H7Na3O10S3
CAS number
6358-69-6
Molar mass
524.40 g/mol

Cheapest by weight

$2.49 per gram

25 grams for 55.83 EUR, about $62

At NorrChemica (SynFinn Discovery Oy), FI · Reagent grade, Spectroscopic grade, Analytical grade

View at NorrChemica (SynFinn Discovery Oy)

Every price we found

3 prices from 2 stores, checked October 30, 2026. In stock from $2.49 to $1,260 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.

PackStoreGrade and formPrice per unitLink
25 grams55.83 EUR, about $62 NorrChemica (SynFinn Discovery Oy)FI Lowest priceReagent gradeSpectroscopic gradeAnalytical grade $2.49 per gram
100 milligrams$126.00 AchemtekUnited States Grade not stated $1,260 per gram
250 grams307.87 EUR, about $344 NorrChemica (SynFinn Discovery Oy)FI Out of stockReagent gradeSpectroscopic gradeAnalytical grade $1,376 per kilogram
Cite these pricesA ready sentence and reference for your report

For your report

As of October 30, 2026, the lowest store price for pyranine was $2.49 per gram, converted to US dollars: 25 grams of reagent grade for 55.83 EUR at NorrChemica (SynFinn Discovery Oy).

Reference

APA, 7th edition

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

ACS

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

BibTeX

@misc{chemicalsuppliers-pyranine,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Pyranine} suppliers and prices},
  year    = {2026},
  date    = {2026-10-30},
  url     = {https://www.chemicalsuppliers.com/pyranine/},
  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 Pyranine and what they cost at the cheapest store we track.
You need
524 milligrams
of Pyranine, molar mass 524.40 g/mol
That much costs
$1.31
$13.08 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$62.37
1 pack of 25 grams at NorrChemica (SynFinn Discovery Oy)
View at NorrChemica (SynFinn Discovery Oy)

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

Bulk suppliers

1 company makes or distributes it, as reported to the US Environmental Protection Agency in 2020. Ask any of them for a quote.

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

Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record
Formula
C16H7Na3O10S3
Molar mass
524.40 g/mol
CAS number
6358-69-6
InChIKey
KXXXUIKPSVVSAW-UHFFFAOYSA-K
Official record
PubChem 61388

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.