Product Name

HEG-Phosphoramidite (synonymous Spacer-18)

Catalog Number

1131

Molecular Formula

C₄₂H₆₁N₂O₁₀P

Molecular Weight

784,93 g/mol

Formula Weight

344.30 g/mol

Chemical Name

18-O-Dimethoxytrityl-hexaethylene glycol,1-[(2-cyanoethyl)-(N,N‑diisopropyl)]-phosphoramidite

Appearance

Colorless to yellowish viscous oil

Storage Conditions

Keep in a dark and dry place at -20°C

Shelf Life

1 year

Usage

Diluent: Anhydrous Acetonitrile.

Coupling: No changes needed from standard method recommended by synthesizer manufacturer.

Deprotection: No changes needed from standard method recommended by synthesizer manufacturer.

¹H NMR (CD₃CN)

Conforms to the internal standard

³¹P NMR (CD₃CN)

Conforms to the internal standard