| Chemical Name | Acid Orange 156 |
| C.I. No. | 26501 |
| CAS No. | 68555-86-2 |
| Synonyms | Weak Acid Orange 3G, Weak Acid Orange ALG, Weak Acid Orange E-GNS, Acid Orange 3G, Acid Orange C-GNS |
| Molecular Formula | C21H19N4NaO5S |
| Molecular Weight | 462.46 |
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