Hello, this is Cathy from Hoyan Pharmaceutical (Wuhan) Co., Ltd. We can supply many kinds of raw materials and pharmaceuticaintermediates. For long-term cooperation, we can give you a big discount. My whatsapp is+8619831373511 and my email is email@example.com . I hope I have a chance to communicate with you on whatsapp or email. 5-Bromo-1-pentene (5BP) is an antitumoral drug that has potent inhibitory activity against the t-cell leukemia cell line and other tumor cells. Synonyms 1-bromo-4-pentene 4-Pentenyl Bromide 1-Pentene, 5-bromo 5-Bromo-1-pentene 5-Bromopent-1-ene Common Name 1-bromo-4-pentene CAS Number 1119-51-3 Molecular Formula C5H9Br We have special transportation to ensure get your hand safety, (FedEx/EMS/UPS/DHL/TNT), and the express will clear custom. Also we can give it to your forwarder, if you have a good way to delivery. Packaging and shipping according to your requirements. Welcome to your inquiry!