MedKoo Cat#: 572526 | Name: BUN44524
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Description:

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

BUN44524, also known as 2-(Azido-PEG2-amido)-1,3-propandiol is a multi-arm PEG with azide or hydroxyl at the terminal of all arms. The azide group enables Click Chemistry. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. This product has no formal name at the moment. For the convenience of communication, a temporary code name was therefore proposed according to MedKoo Chemical Nomenclature (see web page: https://www.medkoo.com/page/naming).

Chemical Structure

BUN44524
BUN44524
CAS#1398044-52-4

Theoretical Analysis

MedKoo Cat#: 572526

Name: BUN44524

CAS#: 1398044-52-4

Chemical Formula: C10H20N4O5

Exact Mass: 276.1434

Molecular Weight: 276.29

Elemental Analysis: C, 43.47; H, 7.30; N, 20.28; O, 28.95

Price and Availability

Size Price Availability Quantity
250mg USD 550.00 2 Weeks
500mg USD 950.00 2 Weeks
1g USD 1,450.00 2 Weeks
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Related CAS #
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Synonym
2-(Azido-PEG2-amido)-1,3-propandiol; BUN 44524; BUN-44524; BUN44524
IUPAC/Chemical Name
3-(2-(2-azidoethoxy)ethoxy)-N-(1,3-dihydroxypropan-2-yl)propanamide
InChi Key
BAPVNVRTDKZLCO-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H20N4O5/c11-14-12-2-4-19-6-5-18-3-1-10(17)13-9(7-15)8-16/h9,15-16H,1-8H2,(H,13,17)
SMILES Code
O=C(CCOCCOCCN=[N+]=[N-])NC(CO)CO
Appearance
Purity
>95% (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
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
2934.99.03.00
More Info
The indicated molecular weight of the multi-arm PEG is the sum of the molecular weights of all the arms.

Preparing Stock Solutions

The following data is based on the product molecular weight 276.29 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
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.