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Molekula

Molekula

N-Hydroxysulfosuccinimide sodium salt

SKU 90032191 CAS 106627-54-7 C4H3N(O)2OHSO3Na MW 217.13 Made to order Bulk quantities on request

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.

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Pricing & pack sizes

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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

Warning
  • GHS pictogram — Health Hazard 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

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.

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