1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

"HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products. We supply Multiple s

factory?direct?sale Application:healing drugs

1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume

Ethyl 2-bromothieno[3,2-b]thiophene-3-carboxylate Synonyms: Thieno[3, 2- b] thiophene- 3- carboxylic acid, 2- bromo- , ethyl ester CAS NO.: 2055722-78-4 MF: C9H7BrO2S2 MW: 291.18 Assay: 98.0% Package:1~10g,20g,50g Application:OPV Por