Merck
All Photos(4)

56480

Sigma-Aldrich

N-Hydroxysuccinimide

purum, ≥97.0% (T)

Synonym(s):
1-Hydroxy-2,5-pyrrolidinedione, HOSu, NHS
Empirical Formula (Hill Notation):
C4H5NO3
CAS Number:
Molecular Weight:
115.09
Beilstein:
113913
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

purum

Quality Level

assay

≥97.0% (T)

form

solid

reaction suitability

reaction type: Addition Reactions

mp

95-98 °C (lit.)
95-98 °C

application(s)

peptide synthesis

SMILES string

ON1C(=O)CCC1=O

InChI

1S/C4H5NO3/c6-3-1-2-4(7)5(3)8/h8H,1-2H2

InChI key

NQTADLQHYWFPDB-UHFFFAOYSA-N

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Application

N-Hydroxysuccinimide (NHS) can be used in the following applications:
  • To synthesize N-succinimidyl 3-(2-pyridyldithio)-propionate, a heterobifunctional reagent useful for protein-protein conjugation and also to incorporate aliphatic thiols into proteins.
  • To synthesize NHS esters of long-chain fatty acids.
  • NHS can activate the phosphonic acid monolayers immobilized on titanium surface for binding with proteins.

Packaging

25, 100 g in poly bottle
1 kg in poly bottle

Other Notes

may contain 1-3% succinic acid and/or succinic anhydride

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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