Molekula
MOPS
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
MOPS (3-(N-morpholino)propanesulfonic acid) is a zwitterionic buffer widely used in biochemical research, molecular biology, and protein studies to maintain stable pH in solutions between pH 6.5–7.9. It is particularly valued for its low temperature dependence and minimal interference with enzyme activity. This chemical has a CAS number of 1132-61-2, with a molecular formula of C7H15NO4S and a molecular weight of 209.3. It should be stored at ambient conditions and carries a signal word of "Warning." Molekula supplies MOPS 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 powder |
| Melting Point | 279 - 281°C |
| Water | ≤ 0.5% |
| Loss on Drying | ≤ 1% |
| Assay | 99 - 101% |
| Lead (Pb) | < 0.0005% |
| UV Absorption (280nm) | < 0.03 |
| UV Absorbance (260nm) | ≤ 0.05 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90029461 |
| CAS Number | 1132-61-2 |
| IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
| EC Number | 214-478-5 |
| Molecular Formula | C7H15NO4S |
| Molecular Weight | 209.3 |
| Exact Mass | 209.0722 |
| SMILES | C1COCCN1CCCS(=O)(=O)O |
| InChIKey | DVLFYONBTKHTER-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11) |
| PubChem CID | 70807 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.9001 |
| Tariff Code | 2934999090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- 3-(4-Morpholino)propanesulfonic acid
- 3-(N-Morpholino)propanesulfonic acid
- 3-morpholin-4-ylpropane-1-sulfonic acid
- 3-morpholin-4-ylpropanesulfonic acid
- 3-Morpholinopropane-1-sulfonic acid
- 3-Morpholinopropanesulfonic acid
- 4-Morpholinepropanesulfonic acid
- morpholine propanesulphonic acid
- Morpholinopropane sulfonic acid
- Morpholinopropanesulfonic acid; WAS 15
Frequently asked questions
What is MOPS primarily used for in laboratory settings?
MOPS (3-(N-Morpholino)propanesulfonic acid) is commonly used as a buffer in biochemical and molecular biology applications, such as electrophoresis, cell culture, and enzyme assays, due to its stable pH over a range of 6.5–7.9.
What is the chemical formula and molecular weight of MOPS?
The chemical formula of MOPS is **C7H15NO4S**, and its molecular weight is **209.3 g/mol**.
How should MOPS be stored?
MOPS should be stored at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grade of MOPS does Molekula supply?
Molekula supplies **analytical grade** MOPS, suitable for high-precision laboratory applications.
Can Molekula supply MOPS in bulk quantities?
Yes, Molekula can provide MOPS in bulk, with quantities tailored to meet your specific research or industrial requirements—please contact us for details.
What documentation comes with a MOPS order from Molekula?
Each MOPS order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure traceability and compliance.
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.