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(3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt)
| CAS Number: | 6226-79-5 |
| Chemical Formula: | C22H12N4Na4O13S4 |
| Molecular Weight: | 760.61 g/mol |
Ponceau S is a substitute for acid fuschin in Van Gieson stain. Also used for staining proteins after electrophoresis.
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