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70023

Sigma-Aldrich

O-(2-Aminoethyl)-O′-[2-(Boc-amino)ethyl]hexaethylene glycol

≥90% (oligomer purity)

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Synonym(s):
Boc-PEG-amine (n=7)
Empirical Formula (Hill Notation):
C21H44N2O9
CAS Number:
Molecular Weight:
468.58
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥90% (oligomer purity)

form

liquid

reaction suitability

reagent type: cross-linking reagent

storage temp.

−20°C

SMILES string

CC(C)(C)OC(=O)NCCOCCOCCOCCOCCOCCOCCOCCN

InChI

1S/C21H44N2O9/c1-21(2,3)32-20(24)23-5-7-26-9-11-28-13-15-30-17-19-31-18-16-29-14-12-27-10-8-25-6-4-22/h4-19,22H2,1-3H3,(H,23,24)

InChI key

HTIMIYPOESODPC-UHFFFAOYSA-N

General description

Our highly purified mono-protected homobifunctional polyethylene glycols display oligomer purities of more than 90%. This extremely narrow distribution of oligomers ensures homogeneous products in many applications such as conjugation reactions or introduction of solubilizing units or spacers.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Articles

Mono-Boc-protected diamines are versatile building blocks for chemical synthesis. Their production is a lot more challenging than the simple reaction scheme might imply, because the Boc-anhydride reagent cannot differentiate between the two identical amino moieties in the substrate.

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