QUN 68396
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    WARNING: This product is for research use only, not for human or veterinary use.

Hodoodo CAT#: H571744

CAS#: 1101668-39-6

Description: QUN 68396, also known as Propargyl-PEG5-methane is a PEG derivative containing a propargyl group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. PEG Linkers may be useful in the development of antibody drug conjugates and in drug delivery. This product has no formal name at the moment. For the convenience of communication, a temporary code name was therefore proposed according to Hodoodo Chemical Nomenclature (see web page: https://www.hodoodo.com/page/naming).


Chemical Structure

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QUN 68396
CAS# 1101668-39-6

Theoretical Analysis

Hodoodo Cat#: H571744
Name: QUN 68396
CAS#: 1101668-39-6
Chemical Formula: C12H22O5
Exact Mass: 246.15
Molecular Weight: 246.300
Elemental Analysis: C, 58.52; H, 9.00; O, 32.48

Price and Availability

Size Price Availability Quantity
1g USD 430
5g USD 1550
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Synonym: Propargyl-PEG5-methane; QUN-68396; QUN 68396; QUN68396

IUPAC/Chemical Name: 2,5,8,11,14-pentaoxaheptadec-16-yne

InChi Key: QOXHTXZSGABRDF-UHFFFAOYSA-N

InChi Code: InChI=1S/C12H22O5/c1-3-4-14-7-8-16-11-12-17-10-9-15-6-5-13-2/h1H,4-12H2,2H3

SMILES Code: C#CCOCCOCCOCCOCCOC

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 246.30 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.

5: Kanazaki K, Sano K, Makino A, Yamauchi F, Takahashi A, Homma T, Ono M, Saji H. Feasibility of poly(ethylene glycol) derivatives as diagnostic drug carriers for tumor imaging. J Control Release. 2016 Mar 28;226:115-23. doi:10.1016/j.jconrel.2016.02.017. Epub 2016 Feb 8. PubMed PMID: 26869546.