Short Description:
CAS Number: 127-79-7
Molecular Formula: C11H12N4O2S
Standard: USP15
Package: 25kg/drum
Description:
CAS Number: 127-79-7
Molecular Formula: C11H12N4O2S
Standard: USP15
Package: 25kg/drum
| ITEMS | LIMIT |
| Analysis content | Specifications |
| Identification | A:The infrared absorption spectrum |
| B:The cupric sulfate reaction test | |
| Melting point | 234-239oC |
| Description | White,yellowwish-white or pinkish white Crystals or powder |
| Appeaqance of solution | Clear and not more deeply colored than Reference solution Y4,BY4orGY4 |
| Acidity | ≤0.5ml |
| Related substances | Meets(≤0.5%) |
| Heavy metals | ≤0.002% |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤0.1 % |
| Seleium | ≤0.003% |
| Assay(%) | 99.0%-100.5%(The dried substance) |
