Bis-PEG11-NHS ester

Modify Date: 2024-01-14 21:54:01

Bis-PEG11-NHS ester Structure
Bis-PEG11-NHS ester structure
Common Name Bis-PEG11-NHS ester
CAS Number 123502-57-8 Molecular Weight 796.810
Density 1.3±0.1 g/cm3 Boiling Point 786.0±70.0 °C at 760 mmHg
Molecular Formula C34H56N2O19 Melting Point N/A
MSDS N/A Flash Point 429.1±35.7 °C

 Use of Bis-PEG11-NHS ester


Bis-PEG11-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

 Names

Name 1,1'-[(1,37-Dioxo-4,7,10,13,16,19,22,25,28,31,34-undecaoxaheptatriacontane-1,37-diyl)bis(oxy)]di(2,5-pyrrolidinedione)
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 786.0±70.0 °C at 760 mmHg
Molecular Formula C34H56N2O19
Molecular Weight 796.810
Flash Point 429.1±35.7 °C
Exact Mass 796.347717
LogP -7.09
Vapour Pressure 0.0±2.7 mmHg at 25°C
Index of Refraction 1.518

 Synonyms

1,1'-[(1,37-Dioxo-4,7,10,13,16,19,22,25,28,31,34-undecaoxaheptatriacontane-1,37-diyl)bis(oxy)]di(2,5-pyrrolidinedione)
MFCD30527397
2,5-Pyrrolidinedione, 1,1'-[(1,37-dioxo-4,7,10,13,16,19,22,25,28,31,34-undecaoxaheptatriacontane-1,37-diyl)bis(oxy)]bis-