CHES - ≥99%(T) , CAS No.103-47-9

CAS: 103-47-9 Cat. No.: C110898 Formula: C8H17NO3S Molecular Weight: 207.29 Beilstein Registry Number: 2967601 EC Number: 203-115-6
AVAILABLE TO ORDER
GRADE & PURITY ≥99%(T)
Synonyms
CHES | 2-(Cyclohexylamino)ethanesulfonic acid pound CHES pound(c) | W-108849 | 2-(Cyclohexylamino)ethanesulfonic acid | CHES, Vetec(TM) reagent grade, 99% | DF6D31A1-88EA-4A0F-907D-9F40C66339BF | DB03309 | 2-(Cyclohexylamino)ethanesulphonic acid | HY-D08
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
5g
C110898-5g
1 In stock
—
$9.90
25g
C110898-25g
2 In stock
—
$14.90
100g
C110898-100g
2 In stock
—

$31.90

$39.90
Save $8.00 (20.05%)
500g
C110898-500g
4 In stock
3 In stock

$90.90

$136.90
Save $46.00 (33.60%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 14 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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.

Specifications

Synonyms
CHES | 2-(Cyclohexylamino)ethanesulfonic acid pound CHES pound(c) | W-108849 | 2-(Cyclohexylamino)ethanesulfonic acid | CHES, Vetec(TM) reagent grade, 99% | DF6D31A1-88EA-4A0F-907D-9F40C66339BF | DB03309 | 2-(Cyclohexylamino)ethanesulphonic acid | HY-D08
Specifications & Purity
≥99%(T)
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Purity
≥99%(T)
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508808403
Canonical Smiles
C1CCC(CC1)NCCS(=O)(=O)O
IUPAC Name
2-(cyclohexylamino)ethanesulfonic acid
InChIKey
MKWKNSIESPFAQN-UHFFFAOYSA-N
INCHI
1S/C8H17NO3S/c10-13(11,12)7-6-9-8-4-2-1-3-5-8/h8-9H,1-7H2,(H,10,11,12)
Isomeric SMILES
C1CCC(CC1)NCCS(=O)(=O)O
WGK Germany
3
Molecular Weight
207.29
Beilstein
2967601
Reaxy-Rn
2967601
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2967601&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassCyclohexylamines
Intermediate Tree Nodes Not available
Direct ParentCyclohexylamines
Alternative Parents Sulfonyls  Organosulfonic acids  Alkanesulfonic acids  Dialkylamines  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

31 results found

Lot NumberCertificate TypeDateItem
F2615373Certificate of AnalysisJun 30, 2026 C110898
B2606233Certificate of AnalysisFeb 11, 2026 C110898
B2609055Certificate of AnalysisFeb 11, 2026 C110898
J2511343Certificate of AnalysisOct 17, 2025 C110898
J2511307Certificate of AnalysisOct 17, 2025 C110898
E2514239Certificate of AnalysisMay 24, 2025 C110898
E2514238Certificate of AnalysisMay 24, 2025 C110898
E2514236Certificate of AnalysisMay 24, 2025 C110898
A2513068Certificate of AnalysisJan 14, 2025 C110898
A2513067Certificate of AnalysisJan 14, 2025 C110898
A2513073Certificate of AnalysisJan 14, 2025 C110898
I2411446Certificate of AnalysisSep 13, 2024 C110898
I2411435Certificate of AnalysisSep 13, 2024 C110898
I2411434Certificate of AnalysisSep 13, 2024 C110898
I2411433Certificate of AnalysisSep 13, 2024 C110898
G2404527Certificate of AnalysisApr 26, 2024 C110898
G2404529Certificate of AnalysisApr 26, 2024 C110898
L1913174Certificate of AnalysisOct 19, 2023 C110898
D23141246Certificate of AnalysisApr 20, 2023 C110898
D23141243Certificate of AnalysisApr 20, 2023 C110898
D23141249Certificate of AnalysisApr 20, 2023 C110898
C23181049Certificate of AnalysisMar 23, 2023 C110898
C23181051Certificate of AnalysisMar 23, 2023 C110898
B2318478Certificate of AnalysisFeb 27, 2023 C110898
K2216369Certificate of AnalysisNov 22, 2022 C110898
K2216370Certificate of AnalysisNov 22, 2022 C110898
K2216371Certificate of AnalysisNov 22, 2022 C110898
K1819083Certificate of AnalysisSep 17, 2022 C110898
L2109288Certificate of AnalysisDec 14, 2021 C110898
F2216288Certificate of AnalysisDec 14, 2021 C110898
F2216287Certificate of AnalysisDec 14, 2021 C110898
Chemical and Physical Properties
SolubilitySoluble in water (103.6 g/l) at 20 °C.
SensitivityHygroscopic
Melt Point(°C)>300℃
Molecular Weight207.290 g/mol
XLogP3-1.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass207.093 Da
Monoisotopic Mass207.093 Da
Topological Polar Surface Area74.800 Ų
Heavy Atom Count13
Formal Charge0
Complexity226.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

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