| Title:  Methioprim CAS Registry Number:  588-36-3 CAS Name:  4-Amino-2-methylthio-5-pyrimidinemethanol Additional Names:  4-amino-2-methylmercapto-5-pyrimidinemethanol;  4-amino-5-hydroxymethyl-2-methylthiopyrimidine Molecular Formula:  C6H9N3OS Molecular Weight:  171.22 Percent Composition:  C 42.09%, H 5.30%, N 24.54%, O 9.34%, S 18.73% Literature References:  Synthesis starting with ethyl ethoxyethylenecyanoacetate:  Ulbricht, Price, J. Org. Chem. 21, 567 (1956). Properties:  Needle-like prisms from benzene, mp 126-127°. Melting point:  mp 126-127° Use:  Tumor antagonist in mice.     Status:  This monograph has been retired and is no longer subject to revision or update.  |