Bis-PE21- NHS ester
- CAS NO.：1008402-79-6
- Empirical Formula: C30H48N2O17
- Molecular Weight: 708.71
- MDL number: MFCD11041131
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:41
What is Bis-PE21- NHS ester?
Description
Bis-PEG9-NHS ester is a PEG linker containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
The Uses of Bis-PE21- NHS ester
Bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13,16,19,22,25,28-Nonaoxahentriacontane-1,31-dioate is a protein crosslinking agent.
Properties of Bis-PE21- NHS ester
| Boiling point: | 737.0±70.0 °C(Predicted) |
| Density | 1.31±0.1 g/cm3(Predicted) |
| storage temp. | -20°C |
| solubility | Soluble in DMSO, DCM, DMF |
| form | solid or viscous liquid |
| color | Colorless to Light orange to Yellow |
Safety information for Bis-PE21- 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 |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. |
Computed Descriptors for Bis-PE21- NHS ester
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