21883
Fluka
5(6)-Carboxyeosin
BioChemika, for fluorescence, ≥90% (HPCE)
| Synonym: | 5(6)-Carboxy-2′,4′,5′,7′-tetrabromofluorescein |
| CAS Number: | 132201-84-4 |
| Linear Formula: | C21H8Br4O7 |
| Molecular Weight: | 691.90 |
| MDL number: | MFCD00467490 |
Description
| Application | suitable as pH-indicator |
| Other Notes | Fluorescent pH indicator for the acidic range, and fluorescent label for amine modification and protein conjugation1 |
Properties
| grade | for fluorescence |
| product line | BioChemika |
| assay | ≥90% (HPCE) |
| fluorescence | λex 519 nm; λem 542 nm in 0.1 M Tris pH 9.0 |
| pKa | 3.6 |
| mp | ≥220 °C(lit.) |
| solubility | DMF: soluble |
| DMSO: soluble | |
| H2O: pH ≥ 6soluble | |
| storage temp. | 2-8°C |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
References
| Cited Reference | 1. A.F. Corin et al. Biochemistry 26, 2207, (1987) Abstract |
