China CAS 23256-42-0 Lactate Salt Trimethoprim Sodium Tmp Timethoprim, Find details about China Trimethoprim, Trimethoprim Sodium from CAS 23256-42-0 Lactate Salt Trimethoprim Sodium Tmp Timethoprim
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 |