We are open as normal during COVID-19 pandemic. Order online, same day shipping out from North Carolina, USA

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

MedKoo CAT#: 572533

CAS#: 275385-03-0

Description: N-Boc-N-bis(PEG1-OH) is a branched PEG derivative with two terminal hydroxy groups and a Boc protected amino group. The hydroxy groups enable further derivatization or replacement with other reactive functional groups. The protected amines can be deprotected by acidic conditions.

Price and Availability

Size Price Shipping out time Quantity
250mg USD 560 2 Weeks
500mg USD 940 2 Weeks
1g USD 1430 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-10-27. Prices are subject to change without notice.

N-Boc-N-bis(PEG1-OH), purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 572533
Name: N-Boc-N-bis(PEG1-OH)
CAS#: 275385-03-0
Chemical Formula: C13H27NO6
Exact Mass: 293.1838
Molecular Weight: 293.36
Elemental Analysis: C, 53.23; H, 9.28; N, 4.77; O, 32.72

Synonym: N-Boc-N-bis(PEG1-OH)

IUPAC/Chemical Name: tert-butyl bis(2-(2-hydroxyethoxy)ethyl)carbamate


InChi Code: InChI=1S/C13H27NO6/c1-13(2,3)20-12(17)14(4-8-18-10-6-15)5-9-19-11-7-16/h15-16H,4-11H2,1-3H3


Technical Data

Solid powder

>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).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

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

HS Tariff Code:


1: Brown A, Patel S, Ward C, Lorenz A, Ortiz M, DuRoss A, Wieghardt F, Esch A, Otten EG, Heiser LM, Korolchuk VI, Sun C, Sarkar S, Sahay G. PEG-lipid micelles enable cholesterol efflux in Niemann-Pick Type C1 disease-based lysosomal storage disorder. Sci Rep. 2016 Aug 30;6:31750. doi: 10.1038/srep31750. PubMed PMID: 27572704; PubMed Central PMCID: PMC5004151.

2: Saifer MG, Williams LD, Sobczyk MA, Michaels SJ, Sherman MR. Selectivity of binding of PEGs and PEG-like oligomers to anti-PEG antibodies induced by methoxyPEG-proteins. Mol Immunol. 2014 Feb;57(2):236-46. doi: 10.1016/j.molimm.2013.07.014. Epub 2013 Nov 5. PubMed PMID: 24200843.

3: Garay RP, El-Gewely R, Armstrong JK, Garratty G, Richette P. Antibodies against polyethylene glycol in healthy subjects and in patients treated with PEG-conjugated agents. Expert Opin Drug Deliv. 2012 Nov;9(11):1319-23. doi: 10.1517/17425247.2012.720969. Epub 2012 Aug 30. PubMed PMID: 22931049.