217386

Carboxy-PTIO, Sodium Salt

Reacts with nitric oxide at pH 7.4, resulting in the generation of NO2⁻/NO3⁻ with a rate constant of 1 x 10⁴ M⁻¹sec⁻¹.

• Synonym(s): Carboxy-PTIO, Sodium Salt, 2-(4-Carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide, Na
• Empirical Formula (Hill Notation): C₁₄H₁₆N₂O₄ · Na
• Molecular Weight: 299.28
• UNSPSC Code: 12352200

Properties

• Quality Level: 100
• Assay: ≥97% (TLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; desiccated (hygroscopic); protect from light
• color: dark blue
• solubility: HEPES Buffer: 0.4 mg/mL
• shipped in: ambient
• storage temp.: −20°C

Description

General description

Reacts with nitric oxide at pH 7.4, resulting in the generation of NO₂^-/NO₃^- with a rate constant of 1 x 10⁴ M^-1sec^-1. Prevents SIN-1 induced endothelial cell death. Has potent therapeutic value in endotoxin shock through its nitric oxide scavenging action.

Reacts with nitric oxide at pH 7.4, resulting in the generation of NO₂^-/NO₃^- with a rate constant of 1 x 10⁴ M^-1sec^-1. Prevents SIN-1 induced endothelial cell death. Reported to have potent therapeutic value in endotoxin shock through its nitric oxide scavenging action.

Biochem/physiol Actions

Cell permeable: no

Primary Target
Nitric oxide scavenging action

Product does not compete with ATP.

Reversible: no

Packaging

Packaged under inert gas

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, refrigerate (4°C). Aqueous stock solutions are stable for up to 1 week at 4°C.

Other Notes

Ishii, M., et al., 1999. J. Cardiovasc. Pharmacol. 33, 295.
Amano, F., and Nova, J. 1995. FEBS Lett.368, 425.
Hogg, N., et al. 1995. Free Radical Res.22, 47.
Az-ma, T., et al. 1994. Life Sci.54, 185.
Yoshida, M., et al. 1994. Biochem. Biophys. Res. Commun.202, 923.
Akaike, T., et al. 1993. Biochemistry32, 827.
Yoshida, K., et al. 1993. Infect. Immun.61, 3552.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable