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boronicacid

CAS#237429-33-3

4-Mercaptophenylboronic acid

disulfonic

CAS#110-04-3

1,2-Ethanedisulfonic acid

Dioxaspiro

CAS#4746-97-8

1,4-Dioxaspiro[4.5]decan-8-one

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Clients Feedback

"Thanks very much for your careful management of this contract, it has been a pleasure doing business with you; Please convey my thanks to all those who have been involved in Berrchem; it is a splendid piece of work they have accomplished. and certainly if we have any further requirement for organic synthesis, you can rest assured that you will be the first I will contact."
------ May 4, 2019

"With regard to your pricing, the Senior Director of our department wanted for me to express to you that he feels that you are under-charging for your services in comparison to your China competitors. He believes that you could charge 50-100% more that you do and still under-cut your competition. He said that you should take the extra profits and buy a new house or a sailboat or something that you would enjoy. Obviously, he is willing to pay more. He signs the PO's so why not?"
------ December 23, 2016

"We have done quite a lot of work on the Saxliptine that you synthesized for us. We have great admiration for your work as the product is virtually perfect. I cannot recall ever having received such a fine product, perfectly characterized, etc. Thank you."
------ Oct 15, 2013

"We appreciate your assistance with our difficulty...You are a lifesaver!"

"I really appreciate the efforts that you have put in over the last several years. I look forward to many more years of a successful partnership."

"I really appreciate all the time you have devoted to the numerous requests that I have had...Thanks again."