Azido-PEG2-NHS ester
- CAS NO.：1312309-64-0
- Empirical Formula: C11H16N4O6
- Molecular Weight: 300.27
- MDL number: MFCD20926376
- Update Date: 2026-06-16 21:18:09
What is Azido-PEG2-NHS ester?
Description
Azido-PEG2-NHS ester is a click chemistry crosslinker containing an azide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Properties of Azido-PEG2-NHS ester
| solubility | Soluble in DMSO, DMF, DCM |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for Azido-PEG2-NHS ester
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Azido-PEG2-NHS ester
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