CAS number： 27164-46-1
Molecular formula： C14H13N8NaO4S3
molecular weight： 476.5
Chemical structure：
| ITEMS | SPECIFICATIONS | RESULTS |
| CHARACTER | White or almost white powder, very hydroscopic, freely soluble in water, very slightly soluble in CONFORM ethanol. It shows polymorphism. | CONFORM |
| IDENTIFICATION | a. Infrared absorption spectrophotometry. | CONFORM |
| b.It gives reaction (a) of sodium. | ||
| Appearance of solution | Clear | CONFORM |
| PH | 4.0 ∽ 6.0 | 5.7 |
| SPECIFIC OPTICAL ROTATION | -15°∽ - 24° | -19° |
| ABSORBANCE | 260 ∽ 300 | 279 |
| RELATED SUBSTANCE | ≤ 1.0% (SINGLE) ≤ 3.5% (TOTAL) | 0.2% 1.0% |
| N,N-DIMETHYLANILINE | ≤ 20 PPM | NOT DETECTED |
| WATER | ≤ 6.0% | 0.3% |
| BACTERIAL ENDOTOXINS | <0.15IU/mg | CONFORM |
| STERILITY | CONFORM CONFORM | CONFORM |
| CONTENT (AS ANHYDROUS SUBSTANCE) | 95.0%∽102.0% (ASSAY OF C 14H 14N 8NaO 4 S 3 ) | 98.4% |
