Protex 6L

Protex 6L

This enzyme from Bacillus licheniformis was sold originally by Genencor under the brand name Protex 6L. Recently its name has been changed to Multifect PR 6L but the enzyme remains unchanged. Furthermore Genencor International is now part of DuPont Industrial Biosciences.

Vitamin determination

A diagnostic application is the determination of β-Carotene. For a discription see the article "Method for the Determination of β-Carotene in Supplements and Raw Materials by Reversed-Phase Liquid Chromatography: Single Laboratory Validation" by Joseph Schierle, Bernd Pietsch, Alan Ceresa, and Christian Fizet published in J AOAC Int. 2004; 87(5): 1070–1082.


ChiralVision supplies R&D quantities of Protex 6L.

Product name: CV-P6L


135 euro / 250 ml

295 euro / liter

Shipping not included, will be quoted separately.

Please send orders and inquiries to:

For other none-immobilized DuPont Industrial Biosciences proteases click here.

For immobilized formulations: click here.

Order Protex 6L (Multifect PR 6L)

Other DuPont Industrial Biosciences proteases (not immobilized):

Non-immobilized proteases product list (PDF)