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L0302511

Sigma-Aldrich

ETT Activator

Synonym(s):

5-(Ethylthio)-1H-tetrazole, 5-(Ethylthio)tetrazole solution

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About This Item

MDL number:
MFCD00068733
UNSPSC Code:
12352202
NACRES:
NA.21

type

for DNA synthesis

Quality Level

200

product line

Proligo Reagents

packaging

pkg of 4 × 2.5 L L0302511-04

concentration

39-43 g/L (titration)

impurities

≤30 ppm water content (Karl Fischer)

color

clear

SMILES string

CCSc1nnn[nH]1

InChI

1S/C3H6N4S/c1-2-8-3-4-6-7-5-3/h2H2,1H3,(H,4,5,6,7)

InChI key

GONFBOIJNUKKST-UHFFFAOYSA-N

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General description

ETT activator is an activator solution containing 5-(Ethylthio)-1H-tetrazole – a powerful activator – in acetonitrile. It is mixed with phosphoramidite during the extension step in which it reacts with the amidite group to form a highly reactive intermediate. The intermediate then forms an internucleotide bond with the detritylated 5′hydroxyl group of the growing oligonucleotide chain.

Application

ETT activator has been used in the fast and low-cost synthesis of photolithographic DNA microarrays.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

35.6 °F

Flash Point(C)

2 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Matej Sack et al.
Journal of nanobiotechnology, 14, 14-14 (2016-03-05)
DNA microarrays are a core element of modern genomics research and medical diagnostics, allowing the simple and simultaneous determination of the relative abundances of hundreds of thousands to millions of genomic DNA or RNA sequences in a sample. Photolithographic in

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