2',7'-Dichlorfluorescein ~90% (durch TLC), Pulver chemischer Indikator, Sigma-Aldrich®

Lieferant: SIGMA-ALDRICH MICROSCOPY


M-Clarity™ Qualitätsstufe = MQ200

D6665-25GEA 604 CHF
D6665-25G D6665-5G
2',7'-Dichlorfluorescein ~90% (durch TLC), Pulver chemischer Indikator, Sigma-Aldrich®
2',7'-Dichlorfluorescein

2′,7′-Dichlorofluorescein is an oxidation-sensitive fluorescent probe. 2′7′-dichlorofluorescein diacetate is oxidized to 2′7′-dichlorofluorescein in the presence of ROS (reactive oxygen species). 2′,7′-Dichlorofluorescein has been used as an oxidation-sensitive fluorescent probe to measure ROS (reactive oxygen species) formation in cells.

Formel: C₂₀H₁₀Cl₂O₅
MW: 401,20 g/mol
Melting Pt: 280 °C (Zers., Lit.)
Dichte: 0,79 g/cm³
MDL Number: MFCD00005047
CAS-Nummer: 76-54-0
EINECS: 200-968-6

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Spezifikation Testergebnisse

Appearance (form) Powder
Purity (TLC area %) ~90% (85 - 100%)
Solubility (colour) Very faint brown-yellow to very dark brown-yellow to very dark orange
Solubility (turbidity) Clear to hazy
Solubility (method) 25 mg/ml in ethanol
Application test Suitable for use as an indicator in chloride titrations
Recommended retest period 48 months

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