5-Carboxytetramethylrhodamine (5-TAMRA) free acid amine-reactive fluorescent dye

Supplier: Biotium

Synonyms: 5-TAMRA, 5-Carboxytetramethylrhodamine, 2-(3,6-Bis(dimethylamino)xanthylium-9-yl)-5-carboxybenzoate, 2-[3,6-Bis(dimethylamino)xanthen-10-ium-9-yl]-5-carboxybenzoate, TAMRA, 5-isomer

90009
89139-532EA 205.67 USD
89139-532
5-Carboxytetramethylrhodamine (5-TAMRA) free acid amine-reactive fluorescent dye
5-Carboxytetramethylrhodamine (5-TAMRA)

Free acid form of 5-TAMRA (5-Carboxytetramethylrhodamine, single isomer).


  • λEx/λEm (MeOH) = 540/565 nm
  • Dark red solid soluble in DMSO, DMF, or MeOH
  • Store at 4°C and protect from light, especially in solution

Formula: C₂₅H₂₂N₂O₅
Storage Temperature: Refrigerator
MDL Number: MFCD00269769
CAS Number: 91809-66-4

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