China, Rest Colombia

Flip crossing
2022

High quality

Communicate promptly and reply within 12 hours. You can leave a message or send us an email. WhatsApp:+86 15544773303 Email:sales01@whtianyue.cn Product transportation: DHL, UPS, TNT, EMS, Fedex, etc., depending on your location, please wait 5-7…

New Comment
Submit
2022

High quality CAS:1451-82-7 2-Bromo-4'-methylpropiophenone

Communicate promptly and reply within 12 hours. You can leave a message or send us an email. WhatsApp:+86 15544773303 Email:sales01@whtianyue.cn Product transportation: DHL, UPS, TNT, EMS, Fedex, etc., depending on your location, please wait 5-7…

New Comment
Submit
2022

High quality CAS:1451-82-7 2-Bromo-4'-methylpropiophenone

Communicate promptly and reply within 12 hours. You can leave a message or send us an email. WhatsApp:+86 15544773303 Email:sales01@whtianyue.cn Product transportation: DHL, UPS, TNT, EMS, Fedex, etc., depending on your location, please wait 5-7…

New Comment
Submit
2022

cas no.:20320-59-6

The anhydrous ethanol co-vaporized with diethyl phthalate and sodium metal is added dropwise to the mixture of diethyl malonate, carbon tetrachloride and magnesium, heated to start the reaction, and the temperature is controlled to smooth the reaction.…

New Comment
Submit