75350-46-8
75350-46-8 structure
- Name: Fluorescein-5-maleimide
- Chemical Name: 1-(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)pyrrole-2,5-dione
- CAS Number: 75350-46-8
- Molecular Formula: C24H13NO7
- Molecular Weight: 427.362
- Catalog: Dye Reagents
- Create Date: 2018-09-29 19:42:34
- Modify Date: 2025-08-22 03:40:24
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Fluorescein-5-maleimide is a fluorescent thiol-reactive dye used to conjugate fluorescein to proteins (excitation: 494 nm, emission: 519 nm).
| Name | 1-(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)pyrrole-2,5-dione |
|---|---|
| Synonyms |
1H-Pyrrole-2,5-dione, 1-(3',6'-dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthen)-5-yl)-
1H-Pyrrole-2,5-dione,1-(3',6'-dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthen)-5-yl) Fluorescein-5-maleimide MFCD00077345 5-Maleimido-fluorescein 5-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid fluorescetin-5-maleimide 1-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)-1H-pyrrole-2,5-dione N-fluorescein-5-yl maleimide 1-(3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl)-1H-pyrrole-2,5-dione Fluorescein maleimide 1H-Pyrrole-2,5-dione, 1-(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)- |
| Description | Fluorescein-5-maleimide is a fluorescent thiol-reactive dye used to conjugate fluorescein to proteins (excitation: 494 nm, emission: 519 nm). |
|---|---|
| Related Catalog |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 769.1±60.0 °C at 760 mmHg |
| Melting Point | >275ºC (dec.) |
| Molecular Formula | C24H13NO7 |
| Molecular Weight | 427.362 |
| Flash Point | 418.9±32.9 °C |
| Exact Mass | 427.069214 |
| PSA | 113.37000 |
| LogP | 1.85 |
| Vapour Pressure | 0.0±2.7 mmHg at 25°C |
| Index of Refraction | 1.835 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| RIDADR | NONH for all modes of transport |
|
~%
75350-46-8 |
| Literature: Synthesis, , # 7 p. 999 - 1002 |
| Precursor 1 | |
|---|---|
| DownStream 0 | |