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COSMOSIL 5Cholester 5 µm HPLC Columns

Specialty for Structual Isomers / Hydrophobic interaction and planarity selectivity

COSMOSIL Cholester is a new silica based RP column which employs a cholestery bonded phase. Cholester provides enhanced selectivity over traditional C18 materials and greater performance in separating isomers or other closely related compounds. Cholester is ideal for method development and serves as an excellent alternative to traditional C18 columns.

COSMOSIL Cholester
USP codeL101
Silica gelHigh purity porous spherical silica
Average particle size2.5µm
2.5Cholester		3µm
3Cholester		5µm
5Cholester		15µm
15Cholester
Average pore sizeapprox. 130Åapprox. 120Åapprox. 120Åapprox. 120Å
Specific surface areaapprox. 330m2/gapprox. 300m2/gapprox. 300m2/gapprox. 300m2/g
Stationary phaseCholesteryl group
Bonding typeMonomeric
End capping treatmentNear-perfect treatment
Carbon contentapprox. 21%-approx. 20%approx. 20%
pH range2 - 7.5


Item Name Product Image Price

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 250 mm, 1/Pk - 05979-31

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 250mm Length, 1/Pk Product Number: 05979-31 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 250 mm, 1/Pk - 05979-31
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Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 50 mm, 1/Pk - 16590-61

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 50mm Length, 1/Pk Product Number: 16590-61 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 50 mm, 1/Pk - 16590-61
Live chat below or contact us for latest price.
... more info

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 10 x 20 mm, 1/Pk - 05978-41

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5µm, 120Å, 10mm I.D. x 20mm Length, 1/Pk Product Number: 05978-41 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 10 x 20 mm, 1/Pk - 05978-41 £363.00Buy Now

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 mm x 250 mm Length, 1/Pk - 05982-71

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5µm, 120Å, 20mm I.D. x 250mm Length, 1/Pk Product Number: 05982-71 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 mm x 250 mm Length, 1/Pk - 05982-71
Live chat below or contact us for latest price.
... more info

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 x 100 mm, 1/Pk - 15995-01

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5µm, 120Å, 20mm I.D. x 100mm Length, 1/Pk Product Number: 15995-01 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 x 100 mm, 1/Pk - 15995-01 £1,540.00Buy Now

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 x 150 mm, 1/Pk - 06088-71

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5µm, 120Å, 20mm I.D. x 150mm Length, 1/Pk Product Number: 06088-71 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Column, 5 µm, 120 Å, 20 x 150 mm, 1/Pk - 06088-71
Live chat below or contact us for latest price.
... more info

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 20 x 20 mm, 1/Pk - 05980-91

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5µm, 120Å, 20mm I.D. x 20mm Length, 1/Pk Product Number: 05980-91 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 20 x 20 mm, 1/Pk - 05980-91
Live chat below or contact us for latest price.
... more info

Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 20 x 50 mm, 1/Pk - 05981-81

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5µm, 120Å, 20mm I.D. x 50mm Length, 1/Pk Product Number: 05981-81 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column...
 Nacalai Tesque COSMOSIL 5Cholester Semi-preparative HPLC Guard Column, 5 µm, 120 Å, 20 x 50 mm, 1/Pk - 05981-81 £1,288.00Buy Now

Nacalai Tesque COSMOSIL 5Cholester Preparative Guard HPLC Column, 5 µm, 120 Å, 28 x 50 mm, 1/Pk - 05983-61

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Preparative Guard HPLC Column, 5µm, 120Å, 28mm I.D. x 50mm Length, 1/Pk Product Number: 05983-61 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Preparative Guard HPLC Column, 5 µm, 120 Å, 28 x 50 mm, 1/Pk - 05983-61 £2,797.00Buy Now

Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 100 mm, 1/Pk - 16592-41

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5µm, 120Å, 28mm I.D. x 100mm Length, 1/Pk Product Number: 16592-41 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 100 mm, 1/Pk - 16592-41 £3,304.00Buy Now

Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 150 mm, 1/Pk - 16593-31

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5µm, 120Å, 28mm I.D. x 150mm Length, 1/Pk Product Number: 16593-31 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 150 mm, 1/Pk - 16593-31
Live chat below or contact us for latest price.
... more info

Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 250 mm, 1/Pk - 05985-41

Cosmosil® Cholester Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5µm, 120Å, 28mm I.D. x 250mm Length, 1/Pk Product Number: 05985-41 HPLC Column for Structural Isomers COSMOSIL Cholester is a reversed phase HPLC column with...
 Nacalai Tesque COSMOSIL 5Cholester Preparative HPLC Column, 5 µm, 120 Å, 28 x 250 mm, 1/Pk - 05985-41
Live chat below or contact us for latest price.
... more info

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