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ChemicalBook--->CAS DataBase List--->843666-34-2

843666-34-2

843666-34-2 Structure

843666-34-2 Structure
IdentificationBack Directory
[Name]

Octadecanedioic acid, 1-(1,1-dimethylethyl) 18-(2,5-dioxo-1-pyrrolidinyl) ester
[CAS]

843666-34-2
[Synonyms]

Boc-C16-NHS ester
SemaglutideImpurity7
t-butyl-octadecanedioate-NHS ester
1-tert-Butyl 18-(2,5-dioxopyrrolidin-1-yl) octadecanedioate
Octadecanedioic acid, 1-(1,1-dimethylethyl) 18-(2,5-dioxo-1-pyrrolidinyl) ester
[Molecular Formula]

C26H45NO6
[MDL Number]

MFCD29923003
[MOL File]

843666-34-2.mol
[Molecular Weight]

467.64
Chemical PropertiesBack Directory
[Boiling point ]

537.7±42.0 °C(Predicted)
[density ]

1.05±0.1 g/cm3(Predicted)
[storage temp. ]

2-8°C
[form ]

Solid
[color ]

White to off-white
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Hazard InformationBack Directory
[Description]

t-butyl-octadecanedioate-NHS ester has a t-butyl ester group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine residues or aminosilane-coated surfaces at neutral or slightly basic condition to form a covalent bond.
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