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Active Pharmaceutical Ingredients
Phenol Red (CAS 143-74-8) is a pH indicator dye widely used in biological research. Its molecular formula is C19H14O5S. The compound functions as a visual sensor for cellular culture media, shifting from yellow to red as pH rises.
Store in a cool, dry place away from light. Avoid direct contact with skin and eyes; wear appropriate PPE during handling. Not approved for human therapeutic use.