| Item | Specification |
|---|---|
|
Appearance |
Beige to yellow powder |
|
Identification |
1 HNMR confirms to structure |
|
LCMS |
LCMS Conforms to MW |
|
Water |
≤0.5% |
|
Purity (HPLC) |
≥98.0% |
|
Heavy metals |
|
|
Pb |
≤0.5ppm |
|
As |
≤1.5ppm |
|
Cd |
≤0.5ppm |
|
Hg |
≤0. 1ppm |
|
Residual solvents |
|
|
Methanol |
≤3000ppm |
|
TBME |
≤1000ppm |
|
Toluene |
≤890ppm |
|
DMSO |
≤5000ppm |
|
Acetic Acid |
≤5000ppm |
|
Conclusion |
This product conforms to the specifications. |
|
Storage |
Store in a well-closed and dry place with room temperature and no |