Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Customized |
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Product Name
|
Trimethoprim
|
CAS
|
738-70-5
|
MF
|
C14H18N4O3
|
MW
|
290.32
|
Appearance
|
White Powder
|
Detection Method
|
HPLC
|
Purity:
|
99%
|
Shelf life
|
2Years
|
items | specifications | analysis results |
appearance | white or yellowish-white powder | white powder |
solubility | very slightly soluble in water, slightly soluble in alcohol | conform |
identification (ir) | complies with reference spectrum | conform |
solution | not more intensely colored than reference by7 | conform |
single impurity | ≤0.1% | <0.1% |
total impurities | ≤ 0.2% | <0.2% |
heavy metals | ≤ 20 ppm | < 20 ppm |
loss on drying | ≤ 1.0% | 0.3% |
sulphated ash | ≤ 0.1% | 0.02% |
impurity k | ≤ 5 ppm | conform |
assay | 98.5% ~ 101.0% | 99.9% |
conclusion | complies with the requirements of bp2002/ ep6 |