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523350

Sigma-Aldrich

PTIO

Nitric oxide radical scavenger.

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Synonym(s):
PTIO, 2-Phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide
Empirical Formula (Hill Notation):
C13H17N2O2
CAS Number:
Molecular Weight:
233.29
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

Assay

≥98% (titration)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

dark blue

solubility

ethanol: soluble
water: soluble

shipped in

ambient

storage temp.

−20°C

InChI

1S/C13H17N2O2/c1-12(2)13(3,4)15(17)11(14(12)16)10-8-6-5-7-9-10/h5-9H,1-4H3

InChI key

DYUUGILMVYJEHY-UHFFFAOYSA-N

General description

Nitric oxide radical scavenger. Reacts with nitric oxide in a stoichiometric manner without affecting nitric oxide synthase activity. Inhibits the enhanced vascular permeability in solid tumors.
Nitric oxide radical scavenger. Reacts with nitric oxide in a stoichiometric manner, without affecting nitric oxide synthase activity. Inhibits enhanced vascular permeability in solid tumors.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Nitric oxide radical scavenger
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Irritant (B)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C. Avoid freeze/thaw cycles of solutions.

Other Notes

Hogg, N., et al. 1995. Free Radic. Res. 22, 47.
Maeda, H., et al. 1994. Jpn. J. Cancer Res.85, 331.
Yoshida, M., et al. 1994. Biochem. Biophys. Res. Commun.202, 923.
Akaike, T., et al. 1993. Biochemistry32, 827.

Legal Information

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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