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2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥97.0% (by HPLC)

Leverandør: TCI

Beskrivelse: 2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥97.0% (by HPLC)

2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥95%

Leverandør: Thermo Fisher Scientific

Beskrivelse: 2,2-Diphenyl-1-picrylhydrazyl is used as a sensitive colorimetric free radical scavenger. It serves as a general antioxidant detector. It is utilized to monitor chemical reactions involving radicals as well as a standard of the position and intensity of electron paramagnetic resonance signals. Further, it is employed in the quantitative determination of aliphatic and aromatic thiols by indirect spectroscopy and for photometric determination of tocopherol.

MSDS Certifikater

2,2-Diphenyl-1-picrylhydrazyl (free radical) ≥95%, crystalline solid

Leverandør: Cayman Chemical

Beskrivelse: DPPH, known formally as 2,2-diphenyl-1-picrylhydrazyl, is a cell-permeable, stable free radical that is commonly used to evaluate the ability of compounds to act as free radical scavengers or hydrogen donors and to measure the antioxidant activity of tissue extracts.

5,5-Dimethyl-1-pyrroline-N-oxide ≥98.0% (by GC) for ESR-spectroscopy, Supelco®

Varenummer: (92688-100MG)

Leverandør: Merck

Beskrivelse: 5,5-Dimethyl-1-pyrroline N-oxide is a reagent generally used either as a free-radical spin-trapping agent, or electrophilic component during the synthesis of pyrrolidine derivatives. It may also be considered as 1,3-dipole in cycloaddition processes.

UOM: 1 * 100 mg

Tilbud

N/A Each

Anthralin ≥99%, yellow powder

Leverandør: MP Biomedicals

Beskrivelse: Dithranol (1, 8 - dihydroxy-9-anthrone) is also known as anthralin. It is a vital topical antipsoriatic drugs. Dithranol, an athracene derivative, is a free radical generating mitochondrial poison that induces apoptosis in keratinocytes.

2,2,6,6-Tetramethylpiperidinooxy (TEMPO) (free radical) ≥98% for synthesis

Varenummer: (91304.100)

Leverandør: VWR Chemicals

Beskrivelse: 2,2,6,6-Tetramethylpiperidinooxy (TEMPO) (free radical) ≥98% for synthesis

UOM: 1 * 10 g

Tilbud

N/A Each

CYPMPO ≥97% for ESR-spectroscopy, Supelco®

Varenummer: (01872-1MG)

Leverandør: Merck

Beskrivelse: CYPMPO is designed for radical detection. It is a free radical spin trap with excellent trapping capabilites toward hydroxyl and superoxide radicals in biological and chemical systems.

UOM: 1 * 1 mg

Tilbud