CAS No. 93-10-7

Batch: Purity:99
Quinaldic acid Chemical Structure
Chemical Structure
Check the Quinaldic acid product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 93-10-7
Molecular Formula

C10H7NO2

Molecular Weight (MW) 173.17
SMILES C1=CC=C2C(=C1)C=CC(=N2)C(=O)O

Biological Activity

Quinaldic acid is an endogenous metabolite generated during L-tryptophan catabolism through the kynurenine pathway. As a derivative of kynurenic acid found in mammalian urine, it participates in cellular aromatic amino acid metabolism and physiological clearance pathways. Alterations in tryptophan catabolic fluxes modulate downstream metabolic cascades and local microenvironmental signal transduction mechanisms. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 35 mg/mL (202.11 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
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).

Reference

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Note: Technical data last updated: Sep 1, 2026.