Bis-propargyl-PEG9
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    WARNING: This product is for research use only, not for human or veterinary use.

Hodoodo CAT#: H571723

CAS#: 1092554-87-4

Description: Bis-propargyl-PEG9 is a crosslinker containing two propargyl groups at each terminal end. The propargyl groups can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield stable triazole linkages.


Chemical Structure

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Bis-propargyl-PEG9
CAS# 1092554-87-4

Theoretical Analysis

Hodoodo Cat#: H571723
Name: Bis-propargyl-PEG9
CAS#: 1092554-87-4
Chemical Formula: C22H38O9
Exact Mass: 446.25
Molecular Weight: 446.540
Elemental Analysis: C, 59.18; H, 8.58; O, 32.25

Price and Availability

Size Price Availability Quantity
250mg USD 460 2 weeks
500mg USD 680 2 weeks
1g USD 1020 2 weeks
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Synonym: Bis-propargyl-PEG9

IUPAC/Chemical Name: 4,7,10,13,16,19,22,25,28-nonaoxahentriaconta-1,30-diyne

InChi Key: MBRUWMSMSQUEOD-UHFFFAOYSA-N

InChi Code: InChI=1S/C22H38O9/c1-3-5-23-7-9-25-11-13-27-15-17-29-19-21-31-22-20-30-18-16-28-14-12-26-10-8-24-6-4-2/h1-2H,5-22H2

SMILES Code: C#CCOCCOCCOCCOCCOCCOCCOCCOCCOCC#C

Appearance: Solid powder

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: Soluble in DMSO

Shelf Life: >2 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: 2934.99.9001

More Info: The hydrophilic PEG spacer increases solubility in aqueous media.

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 446.54 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Sano K, Nakajima T, Miyazaki K, Ohuchi Y, Ikegami T, Choyke PL, Kobayashi H. Short PEG-linkers improve the performance of targeted, activatable monoclonal antibody-indocyanine green optical imaging probes. Bioconjug Chem. 2013 May 15;24(5):811-6. doi: 10.1021/bc400050k. Epub 2013 May 3. PubMed PMID: 23600922; PubMed Central PMCID: PMC3674550.

2: Harrison E, Coulter JA, Dixon D. Gold nanoparticle surface functionalization: mixed monolayer versus hetero bifunctional peg linker. Nanomedicine (Lond). 2016 Apr;11(7):851-65. Review. PubMed PMID: 27021417.

3: Augusto MT, Hollmann A, Porotto M, Moscona A, Santos NC. Antiviral Lipopeptide-Cell Membrane Interaction Is Influenced by PEG Linker Length. Molecules. 2017 Jul 15;22(7). pii: E1190. doi: 10.3390/molecules22071190. PubMed PMID: 28714870; PubMed Central PMCID: PMC5776016.

4: Tuma R, Russell M, Rosendahl M, Thomas GJ Jr. Solution conformation of the extracellular domain of the human tumor necrosis factor receptor probed by Raman and UV-resonance Raman spectroscopy: structural effects of an engineered PEG linker. Biochemistry. 1995 Nov 21;34(46):15150-6. PubMed PMID: 7578129.