Biotin-PEG2-azide
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Hodoodo CAT#: H572012

CAS#: 1910803-72-3

Description: Biotin-PEG2-azide is PEG derivative containing a biotin group and an azide group. The azide group can react with either alkyne moiety in Cu(I)-catalyzed Click Chemistry reaction or DBCO moiety in copper-free Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.


Chemical Structure

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Biotin-PEG2-azide
CAS# 1910803-72-3

Theoretical Analysis

Hodoodo Cat#: H572012
Name: Biotin-PEG2-azide
CAS#: 1910803-72-3
Chemical Formula: C16H28N6O4S
Exact Mass: 400.19
Molecular Weight: 400.500
Elemental Analysis: C, 47.98; H, 7.05; N, 20.98; O, 15.98; S, 8.01

Price and Availability

Size Price Availability Quantity
100mg USD 440 2 weeks
250mg USD 635 2 weeks
500mg USD 1030 2 weeks
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Synonym: Biotin-PEG2-azide

IUPAC/Chemical Name: N-(2-(2-(2-azidoethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

InChi Key: OVEZMVONEJMGLZ-YDHLFZDLSA-N

InChi Code: InChI=1S/C16H28N6O4S/c17-22-19-6-8-26-10-9-25-7-5-18-14(23)4-2-1-3-13-15-12(11-27-13)20-16(24)21-15/h12-13,15H,1-11H2,(H,18,23)(H2,20,21,24)/t12-,13-,15-/m0/s1

SMILES Code: O=C1N[C@@]2([H])CS[C@@H](CCCCC(NCCOCCOCCN=[N+]=[N-])=O)[C@@]2([H])N1

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: >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:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 400.50 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: Deng CY, Long YY, Liu S, Chen ZB, Li C. [Construction of biotin-modified polymeric micelles for pancreatic cancer targeted photodynamic therapy]. Yao Xue Xue Bao. 2015 Aug;50(8):1038-44. Chinese. PubMed PMID: 26669006.

2: Zhu W, Song Z, Wei P, Meng N, Teng F, Yang F, Liu N, Feng R. Y-shaped biotin-conjugated poly (ethylene glycol)-poly (epsilon-caprolactone) copolymer for the targeted delivery of curcumin. J Colloid Interface Sci. 2015 Apr 1;443:1-7. doi: 10.1016/j.jcis.2014.11.073. Epub 2014 Dec 6. PubMed PMID: 25526295.

3: Ke S, Wright JC, Kwon GS. Avidin-biotin-PEG-CPA complexes as potential EPR-directed therapeutic protein carriers: preparation and characterization. Bioconjug Chem. 2007 Sep-Oct;18(5):1644-50. Epub 2007 Aug 18. PubMed PMID: 17705554.

4: Kaiser K, Marek M, Haselgrübler T, Schindler H, Gruber HJ. Basic studies on heterobifunctional biotin-PEG conjugates with a 3-(4-pyridyldithio)propionyl marker on the second terminus. Bioconjug Chem. 1997 Jul-Aug;8(4):545-51. PubMed PMID: 9258454.