WuXi PharmaTech (Cayman) Inc. has acquired XenoBiotic Laboratories, Inc. (XBL), a provider of bioanalytical, drug metabolism, and pharmacokinetic services to the pharmaceutical, animal health, and agrochemical industries. Financial terms were not disclosed.    The acquisition expands WuXi’s Lab Testing Division in bioanalytical and DMPK/ADME services, specifically for radio-labeled compounds, expands LTD’s presence in North America, and provides access to new agricultural and animal ...