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Cat.No. 5873 - CAPS | C9H19NO3S | CAS No. 1135-40-6
Description: Buffer widely used in Western blotting and SDS-PAGE
Chemical Name: 3-(Cyclohexylamino)-1-propanesulfonic acid
Purity: ≥99%
Reviews (1)
Literature (1)

Biological Activity

Widely used as buffer in Western blotting and SDS-PAGE. Working pH range in aqueous solution: 9.7 - 11.1.

Technical Data

M. Wt 221.32
Formula C9H19NO3S
Storage Store at RT
Purity ≥99%
CAS Number 1135-40-6
PubChem ID 70815

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
water 11.07 50

Preparing Stock Solutions

The following data is based on the product molecular weight 221.32. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.5 mM 9.04 mL 45.18 mL 90.37 mL
2.5 mM 1.81 mL 9.04 mL 18.07 mL
5 mM 0.9 mL 4.52 mL 9.04 mL
25 mM 0.18 mL 0.9 mL 1.81 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Keywords: CAPS, CAPS supplier, buffers, zwitterionic, Western, blotting, SDS, PAGE, eletrophoresis, Buffers,, Solvents, and, Solutions, 5873, Tocris Bioscience

Citations for CAPS

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Reviews for CAPS

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High pH buffer.
By Anonymous on 08/05/2018
Assay Type: In Vitro
Species: Mouse

Used to buffer high pH solution (pH10). Performed perfectly.

Literature in this Area

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