Catalogue Number: S4418-SEL
| Manufacturer: | Selleck Chemicals |
| Shelf Life: | 36 months |
| Molecular Formula: | C19H13NaO5S |
| Type: | Biochemicals |
| Alias: | Phenolsulfonephthalein sodium salt |
| Shipping Condition: | Blue Ice |
| Unit(s): | 100 mg |
Phenol Red sodium salt (Phenolsulfonephthalein sodium salt) is used ubiquitously as a pH indicator in tissue culture media ranging from 6.8 (yellow) to 8.2 (red). Phenol red binds to the estrogen receptor of MCF-7 human breast cancer cells.
[Na+].OC1=CC=C(C=C1)C2(O[S](=O)(=O)C3=CC=CC=C23)C4=CC=C([O-])C=C4
3 years -20°C(in the dark) powder1 year -80°C(in the dark) in solvent