CAS No. 1226895-20-0

Batch: Purity:99.11
ATB 346 Chemical Structure
Chemical Structure
Check the ATB 346 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (4-carbamothioylphenyl) 2-(6-methoxynaphthalen-2-yl)propanoate
CAS Number 1226895-20-0
Molecular Formula

C21H19NO3S

Molecular Weight (MW) 365.45
SMILES CC(C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)OC3=CC=C(C=C3)C(=S)N
InChIKey YCNMAPLPQYQJFC-UHFFFAOYSA-N

Ordering Information

Biological Activity

ATB-346 is a novel hydrogen sulfide-releasing derivative of naproxen that acts as an inhibitor of cyclooxygenase (COX) activity. By suppressing COX-mediated pro-inflammatory pathways while delivering hydrogen sulfide, ATB-346 effectively attenuates inflammatory signaling and reduces gastrointestinal mucosal toxicity. Furthermore, ATB-346 suppresses cell proliferation and induces apoptosis in human melanoma cells, demonstrating robust anti-inflammatory and antineoplastic phenotypes in preclinical models. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 73 mg/mL (199.75 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.