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Tosoh Bioscience GmbH: The Chemistry of Innovation
Process Media Products
Toyopearl Media
Process Media Products
Size Exclusion (SEC)
Ion Exchange (IEC)
Toyopearl CM-650
Toyopearl DEAE-650
Toyopearl GigaCap CM-650
Toyopearl GigaCap Family - Reduction of Elution Volume
Toyopearl GigaCap Q-650
Toyopearl GigaCap S-650
Toyopearl MegaCap II SP-550EC
Toyopearl Q-600 AR
Toyopearl QAE-550
Toyopearl SP-550
Toyopearl SP-650
Toyopearl SuperQ-650
TSKgel DEAE-5PW
TSKgel SP-3PW
TSKgel SP-5PW
TSKgel SuperQ-5PW
Hydrophobic Interaction (HIC)
Affinity (AFC)


Toyopearl CM-650 is a weak cation exchanger for biomolecule purification. It can be used for high throughput capture, intermediate purification, and polishing process steps.

 Structure:




 Product Attributes:
Pore size (mean): 1,000 Å

Particle size (mean): 100 µm (C-grade)
 65 µm (M-grade)
 35 µm (S-grade)

Pressure rating: 3 bar


Shipping buffer: 20% ethanol

pH stability: 2-13

Shelf life: 10 years

 Literature:

Process Media Catalog - Ion Exchange Chromatography

Toyopearl Instruction Manual

Product Specification Sheet -
Toyopearl CM-650



 Comparative information for AIEX resins
Influence of pore size on Lysozyme DBC for Toyopearl cation exchangers @ 100 cm/hour



 pKa's for Ion Exchange groups


pKa's for IEX resins

Ordering information:
To place an order please contact
Customer Service 
P/N Description Resin Volume Pore size

Particle size

07991 Toyopearl CM-650C 250 mL 1,000 Å
100 µm

14697 Toyopearl CM-650C 1 L 1,000 Å 

100 µm

07992 Toyopearl CM-650C 5 L 1,000 Å 100 µm

43203 Toyopearl CM-650M 100 mL 1,000 Å  65 µm

07475 Toyopearl CM-650M 250 mL 1,000 Å  65 µm

14696 Toyopearl CM-650M 1 L 1,000 Å  65 µm

07972 Toyopearl CM-650M 5 L 1,000 Å  65 µm

19803 Toyopearl CM-650S 25 mL 1,000 Å  35 µm

07474 Toyopearl CM-650S 250 mL 1,000 Å  35 µm

14695 Toyopearl CM-650S 1 L 1,000 Å  35 µm

07971 Toyopearl CM-650S 5 L 1,000 Å  35 µm

21366 ToyoScreen CM-650M 6 x 1 mL 1,000 Å  35 µm

21367 ToyoScreen CM-650M 6 x 5 mL 1,000 Å  35 µm

21394 ToyoScreen IEC Cation Mix Pack,
(GigaCap CM-650M, GigaCap S-650M, CM-650M,
SP-650M, SP-550M)
5 x 1 mL 1,000 Å  35 µm

21395 ToyoScreen IEC Cation Mix Pack,
(GigaCap CM-650M, GigaCap S-650M, CM-650M,
SP-650M, SP-550M)
5 x 5 mL 1,000 Å  35 µm

21396 ToyoScreen IEC Mix Pack,
(GigaCap CM-650M, GigaCap S-650M, GigaCap
Q-650M, Q-600C AR, SuperQ-650M, SP-550C)
6 x 1 mL 1,000 Å  35 µm

21397 ToyoScreen IEC Mix Pack, 
(GigaCap CM-650M, GigaCap S-650M, GigaCap
Q-650M, Q-600C AR, SuperQ-650M, SP-550C)
6 x 5 mL 1,000 Å

 35 µm


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NEW! Toyopearl & TSKgel
Process Media Catalog


Toyopearl Orientation Sheet

Toyopearl Brochure (en francais)

Process Media Main Page

Tosoh Bioscience GmbH Zettachring 6, 70567 Stuttgart, Germany  Tel: +49-711-132570  Email: info.tbg@tosoh.com