From the Pasteur Institute to the present …

1918 Foundation of RAL DIAGNOSTICS, specialist of biological staining

Founded in 1918, RAL Diagnostics is a true leader in biological stainings among medical analysis laboratories in France and in French-speaking countries. Its original founders are none other than two collaborators of Louis Pasteur, professors Roux and Legroux and M. Agulhon, Director of Kulhman industries.


poulenc1960 RAL DIAGNOSTICS joins Rhône-Poulenc group

Following a number of mergers in the area of chemistry, RAL Diagnostics, known at the time as Réactifs RAL, joined the Rhône-Poulenc group (Aventis) and added its health-care division.


1996 Changing facilities to Martillac 

RAL Diagnostics became independent and transferred production facilities to Technopolis Bordeaux Montesquieu in Martillac in South-western France. The Technopolis Bordeaux Montesquieu regroups laboratories and high technology firms in an exeptional natural environment, between Pessac Léognan vineyards and pine forest.


2007 RAL DIAGNOSTICS innovates with Fluo-RAL

Creation of Fluo-RAL, a methanol-free fluorescence test for swift and reliable detection of mycobacteria.

Kit-RAL-Stainer-MCDh2010 Launch of MCDh (Micro Chromatic detection haematology)

This is the first high definition biological staining in haematology, specifically concepted for the digital image analysis, which in addition is methanol-free. A patent has been filed by RAL Diagnostics for this high-tech product.


2011-2012 RAL DIAGNOSTICS is diversifying with instruments

Réactifs RAL gives way to RAL Diagnostics, a more accurate designation in terms of diversification of our activities. Indeed, in 2011, the company launches a range of instruments featuring the new Fluo-RAL Module and the RAL Stainer, an automated multi-application staining device.


stainbox-colorants2014 RAL StainBox is marketed

RAL Stainbox, a semi-automatic staining system using a bath technique, is put on the market. This new device, designed for small laboratories or as a support solution for peak production in large laboratories, combines easy-of-use and performance.



CellaVision logo

2019 Integration of RAL Diagnostics into the CellaVision Group

RAL Diagnostics is joining the Cellavision Group. The company thus becomes the Reagents Division of the Swedish group, world leader in digital solutions for medical microscopy in the fiels of hematology. RAL Diagnostics becomes CellaVision – RAL Diagnostics.