CAS NO: 1405-10-3
Specification: BP/USP
| Product Name | Neomycin sulphate |
| Quality Standard | BP/USP |
| Testing Items | Critrion |
| Appearance | White or yellowish crystalline powder |
| Identification | Positive A.B.C. |
| Solubility | Free soluble in water, insoluble in acetone,chloroform,ether |
| Neomycin C | 3-15% |
| Meamine | ≤2.0% |
| Acidity or Alkalinity | 5.0-7.5 |
| Specific optical rotation | +53.5º to +59° |
| Sulphate | 27.0-31.0% |
| Loss on drying | ≤8.0% |
| Sulphated Ash | ≤1.0% |
| Assay | ≥680 I.U./mg |