Mafosfamide (INN; development code ASTA-Z-7557) is an oxazaphosphorine (cyclophosphamide-like) alkylating agent under investigation as a chemotherapeutic. It is metabolized by cytochrome P450 into 4-hydroxycyclophosphamide, which is then converted into aldophosphamide, which, in turn yields the cytotoxic metabolites phosphoramide mustard and acrolein.
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{{chembox | Verifiedfields = changed | verifiedrevid = 477499263 | ImageFile = Mafosfamide.svg | ImageClass = skin-invert-image | ImageSize = 175 | ImageAlt = Skeletal formula | ImageFile1 = Mafosfamide-3D-balls.png | ImageClass1 = bg-transparent | ImageSize1 = 230 | ImageAlt1 = Ball-and-stick model | IUPACName=2-{(2-[bis(2-chloroethyl)amino]-2-oxido-1,3,2-oxazaphosphinan-4-yl}thio)ethanesulfonic acid | OtherNames=2-{[2-[bis(2-chloroethyl)amino]-2-oxo-1-oxa-3-aza-2λ5-phosphacyclohex-4-yl}sulfanyl]ethanesulfonic acid ASTA-Z-7557
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).