CAS No. 3184-13-2

Batch: Purity:97
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L-Ornithine hydrochloride Chemical Structure
Chemical Structure
Check the L-Ornithine hydrochloride product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 3184-13-2
Molecular Formula

C5H13ClN2O2
Molecular Weight (MW) 168.62
SMILES C(CC(C(=O)O)N)CN.Cl

Ordering Information

Biological Activity

L-Ornithine hydrochloride is a key amino acid intermediate in the urea cycle that plays an essential role in ammonia detoxification. By facilitating the conversion of neurotoxic ammonia into urea, it enhances the efficiency of energy consumption and exerts an antifatigue effect. In preclinical studies, L-ornithine administration accelerates plasma ammonia excretion, attenuates exercise-induced fatigue, and restores metabolic energy homeostasis during physical activity. [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
Water 34 mg/mL
DMSO Insoluble
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
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).

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