MF:C16H19N3O5S.3(H2O)
Molecular Weight:419.45
CAS NO:61336-70-7

ITEMS | STANDERD | RESULTS | |
Characteristics | White or almost white crystalline powder | Conform | |
Specific optical rotation | +290 º-+315 º | +309º | |
Identification | Conform | Conform | |
Water | 11.5-14.5% | 13.1% | |
Ph | 3.5-5.5 | 4.9 | |
Appearance of solution | 1.0g,0.5mol/L HCL 10ml≤2# | 1# | |
Appearance of solution | 1.0g,0.5mol/L NH4OH 10ml≤2# | 1# | |
Related substance | Individual impurity≤1.0% | 0.08% | |
N,N-Dimethylaniline | ≤20ppm | Never used in the production | |
Sulphated ash | ≤1.0% | 0.11% | |
Assay | 95.0-102.0%(HPLC) | 101.8% | |
Add:
Rm 19c lockhart ctr 301-307 lockhart rd, Wanchai, Hong Kong