Determine the necessary mass, volume, or concentration for preparing a solution.
≥99%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 14 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
CHES (2-(Cyclohexylamino)ethanesulfonic acid) is a zwitterionic N-substituted aminosulfonic acid. CHES is used as a buffer for studying pH-dependent processes in enzymology. The compound has been shown to have an unusually high affinity for the iodoacetate binding site of liver alcohol dehydrogenase. The compound, which has a has a pKa of 9.49 at 25°C, is useful for the pH 8.6-10.0 range.
A zwitterionic buffering agent.
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic nitrogen compounds |
| Class | Organonitrogen compounds |
| Subclass | Cyclohexylamines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Cyclohexylamines |
| Alternative Parents | Sulfonyls Organosulfonic acids Alkanesulfonic acids Dialkylamines Organopnictogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic homomonocyclic compounds |
| Substituents | Cyclohexylamine - Alkanesulfonic acid - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Secondary amine - Secondary aliphatic amine - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Amine - Aliphatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as cyclohexylamines. These are organic compounds containing a cyclohexylamine moiety, which consist of a cyclohexane ring attached to an amine group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jun 30, 2026 | C110898 | |
| Certificate of Analysis | Feb 11, 2026 | C110898 | |
| Certificate of Analysis | Feb 11, 2026 | C110898 | |
| Certificate of Analysis | Oct 17, 2025 | C110898 | |
| Certificate of Analysis | Oct 17, 2025 | C110898 | |
| Certificate of Analysis | May 24, 2025 | C110898 | |
| Certificate of Analysis | May 24, 2025 | C110898 | |
| Certificate of Analysis | May 24, 2025 | C110898 | |
| Certificate of Analysis | Jan 14, 2025 | C110898 | |
| Certificate of Analysis | Jan 14, 2025 | C110898 | |
| Certificate of Analysis | Jan 14, 2025 | C110898 | |
| Certificate of Analysis | Sep 13, 2024 | C110898 | |
| Certificate of Analysis | Sep 13, 2024 | C110898 | |
| Certificate of Analysis | Sep 13, 2024 | C110898 | |
| Certificate of Analysis | Sep 13, 2024 | C110898 | |
| Certificate of Analysis | Apr 26, 2024 | C110898 | |
| Certificate of Analysis | Apr 26, 2024 | C110898 | |
| Certificate of Analysis | Oct 19, 2023 | C110898 | |
| Certificate of Analysis | Apr 20, 2023 | C110898 | |
| Certificate of Analysis | Apr 20, 2023 | C110898 | |
| Certificate of Analysis | Apr 20, 2023 | C110898 | |
| Certificate of Analysis | Mar 23, 2023 | C110898 | |
| Certificate of Analysis | Mar 23, 2023 | C110898 | |
| Certificate of Analysis | Feb 27, 2023 | C110898 | |
| Certificate of Analysis | Nov 22, 2022 | C110898 | |
| Certificate of Analysis | Nov 22, 2022 | C110898 | |
| Certificate of Analysis | Nov 22, 2022 | C110898 | |
| Certificate of Analysis | Sep 17, 2022 | C110898 | |
| Certificate of Analysis | Dec 14, 2021 | C110898 | |
| Certificate of Analysis | Dec 14, 2021 | C110898 | |
| Certificate of Analysis | Dec 14, 2021 | C110898 |
| Solubility | Soluble in water (103.6 g/l) at 20 °C. |
|---|---|
| Sensitivity | Hygroscopic |
| Melt Point(°C) | >300℃ |
| Molecular Weight | 207.290 g/mol |
| XLogP3 | -1.200 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 207.093 Da |
| Monoisotopic Mass | 207.093 Da |
| Topological Polar Surface Area | 74.800 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 226.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |