56485

Sigma-Aldrich

N-Hydroxysulfosuccinimide sodium salt

≥98% (HPLC)

Synonym(s):
Sulfo-NHS, Hydroxy-2,5-dioxopyrrolidine-3-sulfonicacid sodium salt
Empirical Formula (Hill Notation):
C4H4NNaO6S
CAS Number:
Molecular Weight:
217.13
Beilstein/REAXYS Number:
6359129
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98% (HPLC)

composition

carbon, 21.57-22.68 (anhydrous)
nitrogen, 6.28-6.61 (anhydrous)

reaction suitability

reaction type: Addition Reactions

application(s)

peptide synthesis: suitable

impurities

≤4% water

SMILES string

[Na+].ON1C(=O)CC(C1=O)S([O-])(=O)=O

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

InChI key

RPENMORRBUTCPR-UHFFFAOYSA-M

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Application

N-Hydroxysulfosuccinimide sodium salt is a water-soluble sulfonated analog of N-hydroxysuccinimide. It can undergo a coupling reaction with carboxylic acids in the presence of carbodiimides such as 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide(EDC) to form hydrophilic N-hydroxysulfosuccinimide active esters. These esters are useful in protein cross-linking experiments.

Packaging

250 mg in glass bottle
1, 5 g in glass bottle
Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Sulfo-NHS is used for preparing hydrophilic active esters, e.g. for crosslinking agents

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
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