1-Piperidinecarboxylicacid, 4-[(methy

1-Boc-4-(methanesulfonyloxy)piperidine (CAS 141699-59-4), or tert-butyl 4-[(methylsulfonyl)oxy]piperidine-1-carboxylate, has the molecular formula C11H21NO5S, a molecular weight of about 279.35, and a density near 1.22 g/cm3, with a boiling point around 407°C at 760 mmHg. It is manufactured directly by Chem-Stone (Guangzhou) Co., Ltd. and sold across the Americas, Europe, Australasia, Asia, the Middle East, and Africa.