Users' FAQ

1. What is MOLBASE?

MOLBASE is a leading compound database and one-stop E-Commerce solutions for pharma, biotech, specialty   industry and research organizations, delivering research chemicals, building blocks and custom chemistry           products worldwide.

MOLBASE is a free search engine that allows users to search for any compounds by molecular name, CAS       number and structure. Users can get comprehensive information about the compounds, including properties,   preparation, safety and spectrum, etc. Users can easily inquire about and purchase the compounds from any   qualified MOLBASE suppliers. 

2. I have a lot of products, how can I display them on MOLBASE?

If you have a large number of compounds, MOLBASE has an uploading method to import your catalog. You     simply upload your catalog to the database. This could save you a lot of time. You can also revise information about the products in this way. 

3. What if I want to keep my price and stock information to the specified region and user only?

MOLBASE encourages suppliers to publish the information because:

1) The market price of a product is basically known to the purchasers, or available through their own               commercial channels. Online pricing just saves inquiring time and ensures products are supplied to users as     soon as possible. It will accelerate the development of the whole industry.

2) Company's stock information online can allow the purchaser to not only reach the suppliers according to       their purchasing quantity, but also to find legitimate suppliers.

3) Price and stock information online is also required by most of the purchasers and one of MOLBASE’s special features.

4. What’s the price of Tabs-Pexid-perhexilene maleate(or other certain compound)?


You can directly input the CAS No. or the compound’s name into the search box,and suppliers who can provide or produce will be shown. After checking the products’ detail, you can make inquiries to suppliers and wait for   their feedback then.

5. What’s the best clue on making opals(or other certain compound)?

Molbase is a chemical search engine providing e-commercial service. There are professional suppliers on           Molbase and if you are interested in, please register and contact them for the details.

6. I can’t find any suppliers for the compound I’m looking for.

Don’t worry.First please make sure the name, CAS No.or functional group you input is right,and please click  on the top of front page. After that, please fill out the details in     the form. Molbase will recommend and help you to find a proper supplier as hard as we can.

7. Can you supply BROMOPHENOL BLUE SODIUM SALT(or other certain compound)?

Dear customer, Molbase is an e-commercial platform but not a supplier. Indeed there are lots of high-quality     suppliers on Molbase waiting for your requests. Please directly make inquiries to them. And they will offer         feedback to you ASAP.

8. Why does the supplier I inquired cancel my inquiry?

Sometimes the supplier cannot provide the compound you asked for. Please post through QICK INQUIRY         channel and Molbase will recommend suppliers for you.

9. What if customer service is not online?

Please leave us a message with the contact e-mail and phone number as well. We will contact you very soon.

10.How do you charge me if I ask Molbase to help purchase for me?

Molbase does not charge any fees from buyers. Enjoy your time on Molbase.


1.We advice that as a buyer, you can register first and make inquiries to suppliers.Registration will bring you a   lot of convenience and it will be easier for Molbase to contact you providing better service when you need help.

2.When you leave a message or post a quick inquiry to Molbase, please fill out your information as detailed as much. This will help Molbase to provide the most accurate compound and information to you.