t-Boc-N-amido-PEG2-NHS ester
- CAS NO.：2183440-73-3
- Empirical Formula: C16H26N2O8
- Molecular Weight: 374.39
- MDL number: MFCD31381627
- Update Date: 2026-03-12 18:10:29
What is t-Boc-N-amido-PEG2-NHS ester?
Description
t-Boc-N-amido-PEG2-NHS ester is a PEG linker containing an NHS ester and a t-Boc protected amine group. The hydrophilic PEG spacer increases the solubility of compounds in aqueous media. The t-Boc group can be deprotected under mild acidic conditions to form a free amine. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Properties of t-Boc-N-amido-PEG2-NHS ester
| Density | 1.24±0.1 g/cm3(Predicted) |
| solubility | Soluble in DCM |
| pka | 12.22±0.46(Predicted) |
| form | Solid |
| color | White to off-white |
| InChI | InChI=1S/C16H26N2O8/c1-16(2,3)25-15(22)17-7-9-24-11-10-23-8-6-14(21)26-18-12(19)4-5-13(18)20/h4-11H2,1-3H3,(H,17,22) |
Safety information for t-Boc-N-amido-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 |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for t-Boc-N-amido-PEG2-NHS ester
| InChIKey | FNZXIPYAXFROBS-UHFFFAOYSA-N |
| SMILES | C(ON1C(=O)CCC1=O)(=O)CCOCCOCCNC(=O)OC(C)(C)C |
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