WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 122048

CAS#: 2055042-62-9

Description: N-(Amino-PEG3)-N-bis(PEG3-t-butyl ester) is a 3-arm PEG linker consisting of an amino group with two t-butyl esters. The amino (NH2) groups is reactive with activated NHS esters or carboxylic acid. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Chemical Structure

CAS# 2055042-62-9

Theoretical Analysis

MedKoo Cat#: 122048
Name: N-(Amino-PEG3)-N-bis(PEG3-t-butyl)
CAS#: 2055042-62-9
Chemical Formula: C34H68N2O13
Exact Mass: 712.4721
Molecular Weight: 712.92
Elemental Analysis: C, 57.28; H, 9.61; N, 3.93; O, 29.17

Price and Availability

Size Price Availability Quantity
100.0mg USD 600.0 2 Weeks
250.0mg USD 1050.0 2 Weeks
500.0mg USD 1450.0 2 Weeks
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Synonym: N-(Amino-PEG3)-N-bis(PEG3-t-butyl)

IUPAC/Chemical Name: di-tert-butyl 13-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)-4,7,10,16,19,22-hexaoxa-13-azapentacosanedioate


InChi Code: InChI=1S/C34H68N2O13/c1-33(2,3)48-31(37)7-13-39-19-25-45-28-22-42-16-10-36(12-18-44-24-30-47-27-21-41-15-9-35)11-17-43-23-29-46-26-20-40-14-8-32(38)49-34(4,5)6/h7-30,35H2,1-6H3


Appearance: To be determined

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 712.92 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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