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Fluorouracil impurity B
![Fluorouracil impurity B European Pharmacopoeia (EP) Reference Standard](/deepweb/assets/sigmaaldrich/product/structures/224/922/e05b08c6-0c00-486a-b7d6-533de4a4d2e3/640/e05b08c6-0c00-486a-b7d6-533de4a4d2e3.png)
Synonym(s):
Isobarbituric acid, 2,4,5-Trihydroxypyrimidine, 5-Hydroxyuracil
Empirical Formula (Hill Notation):
C4H4N2O3
CAS Number:
Molecular Weight:
128.09
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