Molekula
N-Hydroxysulfosuccinimide sodium salt
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
N-Hydroxysulfosuccinimide sodium salt is a water-soluble reagent used in bioconjugation chemistry for activating carboxyl groups in the formation of amide bonds. It is commonly employed in the synthesis of protein and peptide conjugates. Available with a CAS number of 106627-54-7, molecular formula C4H3N(O)2OHSO3Na, and molecular weight 217.13 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies N-Hydroxysulfosuccinimide sodium salt 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.
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Melting Point | ⩾ 300°C |
| Purity (HPLC) | ≥ 98.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90032191 |
| CAS Number | 106627-54-7 |
| IUPAC Name | sodium 1-hydroxy-2,5-dioxopyrrolidine-3-sulfonate |
| Molecular Formula | C4H3N(O)2OHSO3Na |
| Molecular Weight | 217.13 |
| Exact Mass | 216.9657 |
| SMILES | C1C(C(=O)N(C1=O)O)S(=O)(=O)[O-].[Na+] |
| InChIKey | RPENMORRBUTCPR-UHFFFAOYSA-M |
| InChI | InChI=1S/C4H5NO6S.Na/c6-3-1-2(12(9,10)11)4(7)5(3)8;/h2,8H,1H2,(H,9,10,11);/q;+1/p-1 |
| PubChem CID | 3520574 |
| REACH Code | Y113 |
| HTS Code | 2928.00.5000 |
| Tariff Code | 2928009090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: 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
- 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-hydroxy-2,5-dioxopyrrolidine-3-sulfonate
- 3-Pyrrolidinesulfonic acid, 1-hydroxy-2,5-dioxo-, monosodium salt
- C4H4NNaO6S
- Hydroxy-2,5-dioxopyrrolidine-3-sulfonicacid sodium salt
- N-Hydroxusulfosuccinimide sodium
- N-Hydroxysulfosu
- N-Hydroxysulfosuccinimide (sodium)
- N-hydroxythiosuccinimide sodium salt
- sodium 1-hydroxy-2,5-dioxopyrrolidine-3-sulfonate
- Sulfo-NHS
Frequently asked questions
What is N-Hydroxysulfosuccinimide sodium salt used for?
It is primarily used as a reactive ester intermediate in bioconjugation chemistry, particularly for labeling proteins, antibodies, and other biomolecules.
What is the chemical formula and molecular weight?
The formula is C4H3N(O)2OHSO3Na and the molecular weight is 217.13 g/mol.
How should this compound be stored?
Store at 2 to 8 °C in a cool, dry place, protected from light and moisture.
What grade is available?
Available in high-purity research grade suitable for laboratory and biotech applications.
Can Molekula supply this in bulk?
Yes, Molekula can supply N-Hydroxysulfosuccinimide sodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the 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.