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| Tegafur |
Chemical name：5-fluoro-1-[(RS)-(tetrahydrofunan-2-yl）]pyrimidine-2，4(1H，3H)-dione
Molecular formular：C8H9FN2O3
Molecular weight：200.17
CAS: 17902-23-7
Molecular structure： 
Quality standard
| Item |
JP14 standard |
cp2005 |
| Property |
White crystal powder |
White crystal powder |
| Melting point |
166～171℃ |
164～169℃ |
| Solution clarity and color |
clarity colorless |
clarity |
| Chloride |
≤0.011％ |
≤0.2％ |
| Relation substance |
≤0.5％ |
≤1.0％ |
| Arsenic salt |
≤0.0002％ |
－－ |
| Loss in dry |
≤0.5％ |
≤0.5％ |
| Remain in burn |
≤0.1% |
－－ |
| Heavy metal |
≤0.001% |
≤0.002% |
| Assay |
≥98.0% |
98.0～102.0％ |
Package：5Kg/ba，20、25Kg/drum |
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