5-ETHYNYL-2'-DEOXYURIDINE Chemical Properties

Melting point:

199°C(lit.)

Density 

1.55±0.1 g/cm3(Predicted)

storage temp. 

-20°C

solubility 

Soluble in DMSO (up to 10 mg/ml).

pka

8.29±0.10(Predicted)

form 

powder

color 

White or off-white

Stability:

Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20° for up to 2 months.

InChIKey

CDEURGJCGCHYFH-DJLDLDEBSA-N

CAS DataBase Reference

61135-33-9

Safety Information

Hazard Codes 

T

Risk Statements 

46-61

Safety Statements 

53-45-24/25

RTECS 

YU7510000

HS Code 

29349990

5-ETHYNYL-2'-DEOXYURIDINE Usage And Synthesis

Description

5-Ethynyl-2′-deoxyuridine (61135-33-9) is a novel agent for fast and sensitive detection of DNA synthesis?in vivo.1 5-EdU is incorporated into proliferating cells followed by detection with a fluorescent azide using click ligation.1 In contrast to the use of BrdU, the new method does not require sample fixation or DNA denaturation. 5-Ethynyl-2′-deoxyuridine may be used for studying cell proliferation in the central nervous system and may be combined with BrdU staining in a novel protocol allowing for double labeling of DNA synthesis.2

Uses

5-Ethynyl-2’deoxyuridine is a extensively used nucleoside analog used as a probe for DNA synthesis. However, 5-Ethynyl-2’deoxyuridine is a toxic anti-metabolite, which potentially causes DNA instabi liy, necrosis and cell-cycle arrest, therefore it is often used for short-term DNA synthesis in tissue culture and living organisms where prolonged cell survival is not required.

Uses

5-Ethynyl-2′-deoxyuridine (EdU) is a thymidine analog that can be incorporated into replicating DNA for detection of cell proliferation. It has an alkyne handle that can ligate with azide-containing fluorescent probes through a highly efficient click chemistry reaction. EdU nucleoside can be incorporated into the DNA of cells either in culture or in animals without showing significant toxicity. The assay offers a simpler workflow for detecting cell proliferation than anti-BrdU assays.

For information on Baseclick kits containing all the reagents for the assays see: Baseclick kits

For a listing of the Baseclick kits see: Baseclick kits

storage

Store at -20°C

References

1) Salic and Mitchison (2008),?A chemical method for fast and sensitive detection of DNA synthesis in vivo; Proc. Natl. Acad. Sci. USA,?105?2415 2) Zeng?et al. (2010),?Evaluation of 5-ethynyl-2′-deoxyuridine staining as a sensitive and reliable method for studying cell proliferation in the adult nervous system; Brain Res.,?1319C?21

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