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(o-Cresolsulfonphthalein)
| CAS Number: | 1733-12-6 |
| Chemical Formula: | C21H18O5S |
| Molecular Weight: | 382.43 g/mol |
Cresol Red, Free Acid is a pH indicator (Orange to Yellow; range 0.2 - 1.8 and Yellow to Violet; range 7.0 - 8.8). Also used as a constituent of PCR reagent systems.
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