Dihydrorhodamine 123 ≥95% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: Methyl 2-(3,6-diamino-9H-xanthen-9-yl)benzoate, 2-(3,6-Diamino-9H-xanthene-9-yl)-benzoic acid methyl ester

M-Clarity™ quality level = MQ200

D1054-10MG D1054-2MG
D1054-10MGEA 338 GBP
D1054-10MG D1054-2MG
Dihydrorhodamine 123 ≥95% (by HPLC), Sigma-Aldrich®
Dihydrorhodamine 123

Dihydrorhodamine 123 has been used for the detection of free intracellular radicals or ROS (reactive oxygen species).


Presence of ROS oxidises dihydrorhodamine 123 to the fluorescent derivative rhodamine 123. The reaction happens in the presence of a peroxidase or a similar catalyst.

Formula: C₂₁H₁₈N₂O₃
MW: 346,386 g/mol
Storage Temperature: Freezer
MDL Number: MFCD04221428
CAS Number: 109244-58-8

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Specification Test Results

Appearance (Colour) Pink
Appearance (Form) Powder
Proton NMR Spectrum Conforms to Structure
Purity (HPLC) ≥95%

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