Found at 1 store we track
$13,100 per gram
50 milligrams for $655.00, about $655
At Cayman Chemical, United States · Grade not stated
View at Cayman ChemicalSR 2640 suppliers and prices
- Formula
- C23H18N2O3
- CAS number
- 105350-26-3
- Molar mass
- 370.40 g/mol
Every price we found
1 price from 1 store, checked November 2, 2026. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.
Converted to at the exchange rate of 2026-10-30. Each store charges in its own currency.
Show prices per
| Pack | Store | Grade and form | Price per unit | Link |
|---|---|---|---|---|
| 50 milligrams$655.00, about $655 | Cayman ChemicalUnited States | Grade not stated | $13,100 per gram |
No prices match these filters.
Cite these pricesA ready sentence and reference for your report
For your report
As of November 2, 2026, the lowest store price for SR 2640 was $13,100 per gram: 50 milligrams for $655.00 at Cayman Chemical.
Reference
APA, 7th edition
ChemicalSuppliers.com. (2026, November 2). SR 2640 suppliers and prices. Retrieved November 2, 2026, from https://www.chemicalsuppliers.com/sr-2640/
ACS
SR 2640 Suppliers and Prices. ChemicalSuppliers.com, November 2, 2026. https://www.chemicalsuppliers.com/sr-2640/ (accessed 2026-11-02).
BibTeX
@misc{chemicalsuppliers-sr-2640,
author = {{ChemicalSuppliers.com}},
title = {{SR 2640} suppliers and prices},
year = {2026},
date = {2026-11-02},
url = {https://www.chemicalsuppliers.com/sr-2640/},
urldate = {2026-11-02},
note = {Prices checked November 2, 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 SR 2640 and what they cost at the cheapest store we track.
- You need
- 370 milligrams
- of SR 2640, molar mass 370.40 g/mol
- That much costs
- $4,852
- $48,522 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.
Chemical identity
Formula, molar mass, CAS number, InChIKey and the official PubChem record
- Formula
- C23H18N2O3
- Molar mass
- 370.40 g/mol
- CAS number
- 105350-26-3
- InChIKey
- LMPZHLXYBWGGNT-UHFFFAOYSA-N
- Official record
- PubChem 128355
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.