Dear friends,hello. Nice to meet you!Our products cover a wide range of chemicals such as:Chinese Academy of Sciences 5413-05-8, 28578-16-7, 1451-82-7, 20320-59-6, 125541-22-2, 10250-27 -8, 16648-44-5, 13605-48-6, 288573-56-8, 236117-38-7, 40064-34-4, 49851-31-2, 62-44-2, 79099-31-2,Rfack, BMK, PMK, Flumazepam, 2FDCK, eu, do s, Bromazolam......The larger the order, the better the price. Please specify the product name or CAS, we can give you the best price.We are a Chinese factory, since 2019, we have exported chemicals to many countries, including USA, Canada, UK, Mexico, India...... Let's wait.In order to provide you with more detailed chemical information, including the exact best price, can you tell us your requirements?Thank you and best regards.