Organometallics

Applications An Oxaliplatin (O845075) derivative. An orally active antitumor cyclohexanediamine-Pt(IV) complex. Oxaliplatin impurity C as per EP.
References Yamashita, T., et al.: Biol. Pharma. Bull., 16, 1014 (1993),

Applications Transplatin is the trans stereoisomer impurity of Cisplatin (C499500), an antineoplastic used in the treatment of sarcomas, some carcinomas, lymphomas, and germ cell tumors. Transplatin binds to DNA but does not exhibit the same useful pharmacological effect as its cis stereoisomer.
References Cersosimo, R.J.: Cancer Treat. Rev., 16, 195 (1989); Takeiri, A. et al.: Genes Environ., 29, 89 (2007); Giraud-Panis, M.-J. et al.: Pharmacol. Therap., 85, 175 (2000);

Impurity Iohexol EP Impurity K
Applications 5-Amino-2,4,6-triiodoisophthalic Acid (Iohexol EP Impurity K) is an intermediate for nonionic iodinated X-ray contrast agents.

Stability Hygroscopic
Applications An intermediate used in the synthesis of imaging agents such as Iohexol (I729500).
References Priebe, H., et al.: J. Clin. Pharm. Ther., 24, 227 (1999),

Applications Potassium Trichloroammineplatinate is the degradation product of Cisplatin (C499500), an antitumor compound which exhibits mutagenic activity.
References Peer, R.L., et al.: Enivron. Mutagen., 3, 555 (1981); Macquet, J.P., et al.: Develop. Oncol., 17, 27 (1984); Macquet, J.P., et al.: J. Clin. Hematol. Oncol., 7, 469 (1997);

Impurity Oxaliplatin EP Impurity E
Stability Light Sensitive
Applications A dimeric impurity of Oxaliplatin (O845075) with neoplasm-inhibiting activity.
References Gill, D.: Dev. Oncol., 17, 267 (1984);

Applications Nonionic, dimeric x-ray contrast medium. Diagnostic aid (radiopaque medium).
References Svaland, M.G., et al.: Invest. Radiol., 27, 130 (1992), Palmers, Y., et al.: Eur. J. Radiol., 17, 203 (1993), Conroy, R.M., et al.: Clin. Radiol., 49, 337 (1994),

Applications Gadoteric Acid is used for magnetic resonance imaging.
References Gheuens, E., et al.: Invest. Radiol., 49, 505-508 (2014)