Trimethoprim
Basic Info
Model No.: BP/USP
Product Description
Chinese alias trimethoprim; trimethoprim pyrimidine; efficiency sulfonamides; three trimethoprim; 5 - [(3,4,5 - trimethoxyphenyl) - methyl] -2,4 - pyrimidine 2 amine; antibacterial synergist.
CAS RN 738-70-5
EINECS No. 212-006-2
Sub-sub-type C14H18N4O3
Molecular volume of 290.32
Signs of dangerous goods
Risk Terminology
Security terms
Physical and chemical nature of the melting point of 199-203 ° C
Soluble <0.1 g/100 mL at 24 ° C
Synergistic use of antimicrobial drugs, alone for respiratory tract infections, urinary tract infections, intestinal infections and other diseases.
mefenamic acid 61-68-7
GMP certificate
High quality and best service
Package | 25kg/drum | Package size | D410*D410mm | ||
Ref.pharmacopoeia | USP36 | quantity | 1000kg | ||
| |||||
Test item | Specification | Result | |||
Identification | Meet the requirements | Comply | |||
Loss on drying | ≤1.0% | 0.02% | |||
Residue on ignition | ≤0.1% | 0.01% | |||
Heavy metals | ≤0.002% | <0.001% | |||
Chromatographic purity | Meet the requirement | Comply | |||
Residual solvents |
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| |||
Toluene | ≤0.0890% | <0.0890% | |||
N,N-dimethylformamide | ≤0.0880% | <0.0880% | |||
Assay | 98.0%-102.0% | 99.9% | |||
Particle size | |||||
D(0.5) | 25-43um | Comply | |||
D(0.9) | 70-105um | comply | |||
Conclusion:this batch complies with the specification of USP36 | |||||
Remark:preserve in tight,light-resistant containers,For exportation and processing only. | |||||
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Product Categories : Pharmaceutical Raw Materials
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