Fine Chemical Tetra-N-Butylammonium Bromide CAS 1643-19-2

---- Firstly, every batch of our product was tested by authorized independent third party, Analysis testing center,Shanghai branch, Chinese Academy of Science. We send goods to customers with test report and COA (or depends on customers' request). If it is our product quality issue or due to the force majeures, we will send you another shipment for free.

---- The price is negotiable. The more bigger quantity you order, the more competitive price you would get.

---- Goods will be shipped within 24 hours (Chinese public holiday are excluded), usually shipping by DHL, Fedex, EMS, TNT, HKETK. We will ship with the special safe channel to ensure you getting goods on time.

---- Inquiry + payment + shipping.Firstly, please send inquiry infor to us, including quantity, your target price, shipping method, packing request, destination etc. We will reply you the quotation and lead time within 1-8 hours (different time zone).Second, pay for the order, we accept various payment terms, the main methods are: T/T, L/C, Western Union, credit card, BitCoin, USDT, Money Gram. After received the payment, we will ship out products immediately and share tracking number with you.And for sure, we keep tracking the shippment, and we provide after-service.

---- Warmly welcome, we can provide samples for free, but the shipping cost will be covered by customers.