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Trimethoprim/CAS 738-70-5 GMP manufacture Lowest price Trimethoprim CAS NO.738-70-5 High purity trimethoprim 98%min with best price and good supplier cas:738-70-5 CAS NO.738-70-5
Product Name |
Trimethoprim |
CAS |
738-70-5 |
Category |
API |
Quality Standard |
EP/USP |
MSDS |
Available |
COA |
Contact with Senwayer for updated version COA. |
Sample |
Available |
MOQ |
1g,1kg |
Delivery Date |
In 3 days |
Place Of Origin |
China |
Application |
Pharmaceutical raw materials |
Brand Name |
Bosang |
Items |
Specifications |
Results |
Identification A B |
Compare Trimethoprim CRS<197S> max.287 nm do not differ by more than 3.0% |
Complies with reference IR spectrum. Not differ by more than 3.0% |
Melting point |
199-203℃ <741> |
201.0-201.5℃ |
[Related substanced]by HPLC |
|
|
Total impurity |
≤0.2% |
<0.2% |
Inc.imp.F |
≤0.1% |
0.05% |
Loss on drying |
≤0.5% <731> |
0.2% |
Residue on ignition |
≤0.1% <281> |
0.02% |
Assay |
98.5-101.0% |
99.8% |
Residual solvent(by GC) |
|
|
Residual methanol |
≤3000ppm |
Below detection limit |
Residual DMSO |
≤5000ppm |
Below detection limit |
Residual acctic acid |
≤5000ppm |
Below detection limit |
Impurity K(anlline) |
≤5ppm |
Below detection limit |
Results: |
The comimodity meets the standard of USP30 |
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