5-Aminofluorescein (isomer I) (CAS 3326-34-9) is a high-quality chemical from TCI, supplied as HPLC Grade.
Application: Used as a fluorescent dye for biological labelling and bioimaging.
Specifications:
- Molecular formula: C20H13NO5
- CAS number: 3326-34-9
- Purity: >95.0%(HPLC)(T)
- TCI product code: A0306
Synonyms: 5-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one (isomer I); Fluoresceinamine (isomer I)
Available from AMI Scientific, the authorised TCI distributor in Indonesia. Contact us for pricing and stock availability — we ship throughout Indonesia.
Advantages (TCI brochure)
- Green fluorescence
- Labeled to carboxy groups by amide bond formation using a coupling agent
TCI brochures (PDF)
- Iodinated Fluorescein for Various Applications 2024-11-22 · p. 2
- Fluorescent Labeling Dyes 2025-11-18 · p. 3
- Reagents for Biological Research 2025-03-11 · p. 5
Related TCI products
- TCI A0864 51649-83-3 6-Aminofluorescein (isomer II)
- TCI F0783 18861-78-4 Fluorescein 6-Isothiocyanate (isomer II)
- TCI F0810 75350-46-8 Fluorescein-5-maleimide (contains 2% N,N-Dimethylformamide at maximum)
- TCI C2479 92557-80-7 5-Carboxyfluorescein N-Succinimidyl Ester
- TCI C2478 3301-79-9 6-Carboxyfluorescein
- TCI C2477 76823-03-5 5-Carboxyfluorescein
From the TCI brochure
- Labeling of carboxy groups
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Data from the TCI brochure
| λex,max | 494 nm |
|---|---|
| λem,max | 521 nm |
Source: TCI brochure LL039 (2025-11-18)
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