Cheapest by weight
$2.39 per gram
Price per unit, converted to US dollars
At GFS Chemicals, United States
- Pack
- 25 grams for $59.75
- Grade
- Grade not stated · packs of 10 to 50 grams
C.I. 24890 suppliers and prices
- Formula
- C26H18N4Na2O8S2
- Molar mass
- 624.60 g/mol
Smallest amount to spend
$50.47 for 5 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $10.09 per gram
- Grade
- Grade not stated · packs of 2 to 10 grams
3 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $2.39 to $10.09 per gram, because a bigger pack costs less per gram.
Show prices per
Every price we found
3 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| GFS ChemicalsUnited States | Grade not stated · packs of 10 to 50 grams25 grams for $59.75 | $2.39 per gram | View at store |
| Lab AlleyUnited States | Grade not stated · packs of 10 to 50 grams10 grams for $51.67 | $5.17 per gram | View at store |
| Lab AlleyUnited States | Grade not stated · packs of 2 to 10 grams5 grams for $50.47 | $10.09 per gram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of C.I. 24890 and what they cost at the cheapest store we track.
- You need
- 625 milligrams
- of C.I. 24890, molar mass 624.60 g/mol
- That much costs
- $1.49
- $14.93 per litre of solution, at the lowest price per gram we found
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
- C26H18N4Na2O8S2
- Molar mass
- 624.60 g/mol
- InChIKey
- YLDIUICHQPKMNH-ZFEDVODKSA-L
- Official record
- PubChem 135442944
How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-29, then divided by the pack size. Shipping and tax are not included.