PRODUCTS > Biological stain
| Product name | CAS NO. | Grade |
| 4-(2-pyridylazo)resorcinol | 1141-59-9 | Biological stain |
| Bromocresol green，sodium salt | 62625-32-5 | Biological stain |
| Azure II eosin | 53092-85-6 | Biological stain |
| 3-Indolybutyric acid | 133-32-4 | Biological stain |