Molekula
CAPSO 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
CAPSO Ultrapure is a high-purity buffering agent used in biochemical and molecular biology applications requiring minimal contamination. It maintains stable pH in experimental systems, particularly in enzyme assays and protein studies. Available with CAS number 73463-39-5, molecular formula C9H19NO4S, and molecular weight 237.32, it is stored at ambient temperature with no signal word. Molekula supplies CAPSO 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 — £62.00 per pack ex VAT · £74.40 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 |
| Assay/Purity | ≥99% |
| Water | ≤1.0% |
| Heavy metals | ≤3ppm |
| pH | 5.0-6.5 (25℃) |
| Residue on Ignition | ≤0.1% |
| Iron (Fe) | ≤5ppm |
| Identification (IR) | Complies |
| Solubility (0.1M aq.) | Clear, Colorless Solution |
| A260 (0.1M aq.) | ≤0.050 |
| A280 (0.1M aq.) | ≤0.050 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 11091556 |
| CAS Number | 73463-39-5 |
| IUPAC Name | 3-(cyclohexylamino)-2-hydroxypropane-1-sulfonic acid |
| Molecular Formula | C9H19NO4S |
| Molecular Weight | 237.32 |
| Exact Mass | 237.1035 |
| SMILES | C1CCC(CC1)NCC(CS(=O)(=O)O)O |
| InChIKey | INEWUCPYEUEQTN-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H19NO4S/c11-9(7-15(12,13)14)6-10-8-4-2-1-3-5-8/h8-11H,1-7H2,(H,12,13,14) |
| PubChem CID | 2733480 |
| REACH Code | Y113 |
| HTS Code | 29225050 |
| Tariff Code | 2922190090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
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
- 1-Propanesulfonic acid, 3-(cyclohexylamino)-2-hydroxy-
- 3-(cyclohexylamino)-2-hydroxy-1-propanesuhicic acid
- 3-(Cyclohexylamino)-2-hydroxy-1-propanesulfonic acid
- 3-(cyclohexylamino)-2-hydroxy-1-propanesulphonic acid
- 3-(cyclohexylamino)-2-hydroxypropane-1-sulfonic acid
- 3-(cyclohexylamino)-2-hydroxypropane-1-sulonic acid
- 3-(CYCLOHEXYLAMINO)-2-HYDROXYPROPANESULFONIC ACID
- CAPSO
- CAPSO (buffer)
- Capso compound
Frequently asked questions
What is CAPSO Ultrapure used for?
CAPSO Ultrapure is primarily used as a buffering agent in biochemical and molecular biology applications, particularly in enzyme assays and protein purification.
What is the chemical formula and molecular weight of CAPSO Ultrapure?
The formula is C9H19NO4S with a molecular weight of 237.32 g/mol.
How should CAPSO Ultrapure be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of CAPSO Ultrapure is available?
Molekula supplies CAPSO Ultrapure in Ultrapure grade, suitable for sensitive biochemical applications.
Can Molekula supply CAPSO Ultrapure in bulk?
Yes, Molekula can supply CAPSO Ultrapure in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a CAPSO Ultrapure order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
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.