Protex 6L

Protex 6L

This enzyme from Bacillus licheniformiswas soldoriginally 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


125 euro / 250 ml

295 euro / liter

Shipping not included, will be quoted separately.

Inquiries can also be emailed to

For other DuPont Industrial Biosciences proteases (not immobilized): click here.

Immobilized: click here.

Order Protex 6L (Multifect PR 6L)

Other DuPont Industrial Biosciences proteases (not immobilized):


Protease from Bacillus licheniformis (Protex 6L, Multifect PR 6L). Liquid


Protease from Bacillus amyloliquefaciens (Protex 7L, Multifect PR 7L). Liquid


Protease from Geobacillus sp. (Thermolysin, Protex 14L, PROTEINASE T). Liquid


Protease from Trichoderma reesei (Protex 15L, Multifect PR 15L). Liquid


Protease from Bacillus subtilis (Protex 30L, Multifect PR 30L). Liquid


Protease from Bacillus subtilis (Protex 40L, OPTIMASE PR 40L). Liquid


Protease from Aspergillus oryzae var. (Protex 50 FP, Multifect PR 50G). Powder


Protease from Aspergillus oryzae (Protex 51 FP, Multifect PR 51G). Powder


Protease from Bacillus subtilis (Protex 89L, OPTIMASE PR 89L). Liquid


-Kit with 9 proteases (non-immobilized) 20 ml or 5 g each

Pack size and pricing: click here.