西司他丁钠（Cilastatin sodium）是化学物质，分子式为C16H25N2NAO5S，分子量为380.43。

英文别名

Cilastatin sodium [USAN:JAN]; Primaxin; Cilastatin natrium; L 642957; MK 0791; MK 791; Sodium (Z)-7-(((R)-2-amino-2-carboxyethyl)thio)-2-((S)-2,2-dimethylcyclopropanecarboxamido)-2-heptenoate; UNII-5428WXZ74M; 2-Heptenoic acid, 7-((2-amino-2-carboxyethyl)thio)-2-(((2,2-dimethylcyclopropyl)carbonyl)amino)-, monosodium salt, (R-(R*,S*-(Z)))-; Sodium hydrogen (R-(R*,S*-(Z)))-7-((2-amino-2-carboxylatoethyl)thio)-2-(((2,2-dimethylcyclopropyl)carbonyl)amino)hept-2-enoate; sodium (2Z)-7-{[(2S)-2-amino-2-carboxyethyl]sulfanyl}-2-({[(1S)-2,2-dimethylcyclopropyl]carbonyl}amino)hept-2-enoate; sodium (2Z)-7-{[(2R)-2-amino-2-carboxyethyl]sulfanyl}-2-({[(1S)-2,2-dimethylcyclopropyl]carbonyl}amino)hept-2-enoate