Welcome to RA Biosources

We develop monoclonal antibodies for our customers

Services

We will reliably provide you with the monoclonal antibodies that you need. See our product catalog for a list of antibodies and datasheets

People

We are a group of professionals that own and run this business. Dr. Guo has over 25 years of experience in the immunology field.

News

11/22/2021 - We have moved offices to San Carlos; while updating, documents may still have the previous Belmont address

10/26/2020 - We now offer Human Interleukin-6 Mab

8/11/2020 - We now offer Cystatin C Mab

5/11/2020 - We have just updated the catalog to include this year's products

12/10/2018 - RA Biosources will be out of the office December 25th to December 30th and New Years Day

7/19/2018 - Myoglobin has been added to the product catalog

6/20/2018 - Plasmodium Lactate Dehydrogenase (PLDH) has been added to the product catalog

6/6/2018 - C. difficile GDH and Toxin A have been added to the product catalog

4/4/2018 - ST2 MAb has been added to the product catalog

6/29/2017 - Development lots of Human Lactoferrin and Calprotectin have been added to the product catalog

6/14/2017 - UR-144 Mab is now available and has been added to the product catalog

4/28/2017 - AB Pinaca Mab is now available and has been added to the product catalog

11/28/2016 - Downloadable Product Catalog has been updated.

9/8/2016 - 6-Monoacetylmorphine (6MAM) is now available for ordering.

6/20/2016 - Samples of Zika Virus NS 1 Mab are now available.

4/5/2016 - New lots of Methcathinone Mab have been added to the product catalog. Samples are available.

3/4/2016 - Dr. Guo will be travelling until March 18th, 2016

1/21/2016 - Methotrexate MAB has been added to the product catalog

1/15/2016 - Methcathinone MAB has been added to the product catalog

11/25/2015 - RABiosources will be out of the office for Thanksgiving.

9/25/2015 - New lot of Barbiturate MAB added.

9/3/2015 - E3 and LSD have been added to the product catalog.

7/28/2015 - In Atlanta for AACC.

6/2/2015 - New Lots and Datasheets viewable from Products Page.

Facilities

Our facilities are located in Belmont, California, USA. Find out how to reach us.