Molekula
CHES Ultrapure
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
CHES Ultrapure is a high-purity buffering agent used in biochemical and molecular biology applications requiring precise pH control. It is particularly valued in electrophoresis and enzyme assays. Available in powder form with a CAS number of 103-47-9, molecular formula C8H17NO3S, and molecular weight 207.29 g/mol. Stored at ambient temperature with a warning signal word due to potential health hazards. Molekula supplies CHES Ultrapure from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £116.70 per pack ex VAT · £140.04 inc. VAT
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500 g — £225.20 per pack ex VAT · £270.24 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Water | ≤ 1.0% |
| Heavy metals | ≤ 5ppm |
| pH | 5.0 - 6.0 |
| Sulphated Ash | ≤ 0.1% |
| Assay (Titration) | ≥ 99.0% |
| Identification (IR) | Meets the requirements |
| Solubility (0.1M aq.) | Clear and colourless |
| A260 (0.1M aq.) | ≤ 0.05 |
| A280 (0.1M aq.) | ≤ 0.05 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15002366 |
| CAS Number | 103-47-9 |
| IUPAC Name | 2-(cyclohexylamino)ethanesulfonic acid |
| EC Number | 203-115-6 |
| Molecular Formula | C8H17NO3S |
| Molecular Weight | 207.29 |
| Exact Mass | 207.0929 |
| SMILES | C1CCC(CC1)NCCS(=O)(=O)O |
| InChIKey | MKWKNSIESPFAQN-UHFFFAOYSA-N |
| InChI | 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) |
| PubChem CID | 66898 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.30 |
| Tariff Code | 2921309990 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-(cyclohexylamino)ethane-1-sulfonic acid
- 2-(Cyclohexylamino)ethanesulfonic acid
- 2-(Cyclohexylamino)ethanesulphonic acid
- 2-(N-Cyclohexylamino)ethanesulfonic acid
- Beef extract
- CHES
- Ethanesulfonic acid, 2-(cyclohexylamino)-
- N-Cyclohexyl-2-aminoethanesulfonic acid
- N-Cyclohexyltaurine
- Taurine, N-cyclohexyl-
Frequently asked questions
What is CHES Ultrapure used for?
CHES Ultrapure is primarily used as a buffering agent in biochemical and molecular biology applications, particularly in electrophoresis and enzyme assays.
What is the chemical formula and molecular weight of CHES Ultrapure?
The formula is C8H17NO3S with a molecular weight of 207.29 g/mol.
How should CHES Ultrapure be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of CHES Ultrapure is available?
Molekula offers CHES Ultrapure in high-purity grade suitable for sensitive laboratory applications.
Can Molekula supply CHES Ultrapure in bulk?
Yes, Molekula can supply CHES Ultrapure in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a CHES Ultrapure order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.