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89797-68-2

89797-68-2 Structure

89797-68-2 Structure
IdentificationMore
[Name]

5-(Ethylthio)-1H-tetrazole
[CAS]

89797-68-2
[Synonyms]

5-ETHYLSULFANYL-1H-TETRAZOLE
5-(ETHYLTHIO)TETRAZOLE
5-(S-ETHYLMERCAPTO)-TETRAZOLE
ACTIVATOR
ACTIVATOR REAGENT
ETT
5-(ethvlthio)-1h-tetrazole
5-(Ethylthio)-1H-tetrazole solution, 0.25M in acetonitrile
5-ETHYLTHIO-1H-TETRAZOLE 99%
5-Ethylthio-1H-Tetrazole(Ett)
ETT(0.25 M in acetonitrile)
5-EETHYLTHIO-1H-TETRAZOLE (ETT)
5-ETHYLTHIOL-1H-TETRAZOLE
1H-Tetrazole,5-(ethylthio)-(9CI)
5-Ethyltio-1H-Tetrazole
5-(Ethylmercapto)-1H-tetrazole
5-ETHYLTIO-1H-TETRAZOLE 99%MIN
1H-TETRAZOLE,5-(ETHYLTHIO)
5-ETHYLTHIO-1H-TETRAZOLE, 99%MIN.
5-Ethylthio-IH-tetrazole
[Molecular Formula]

C3H6N4S
[MDL Number]

MFCD00068733
[Molecular Weight]

130.17
[MOL File]

89797-68-2.mol
Chemical PropertiesBack Directory
[Appearance]

White crystals
[Melting point ]

72-80 °C(lit.)
[Boiling point ]

81-82 °C
[density ]

0.786 g/mL at 25 °C
[Fp ]

42 °F
[storage temp. ]

Store at 0-5°C
[solubility ]

soluble, clear, colorless
[form ]

buffered aqueous solution
[pka]

3.89±0.10(Predicted)
[color ]

solid white
[InChIKey]

GONFBOIJNUKKST-UHFFFAOYSA-N
[CAS DataBase Reference]

89797-68-2(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi,Xn,F
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R44:Risk of explosion if heated under confinement.
R36:Irritating to the eyes.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R11:Highly Flammable.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S35:This material and its container must be disposed of in a safe way .
S36/37:Wear suitable protective clothing and gloves .
S16:Keep away from sources of ignition-No smoking .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 1648 3/PG 2
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HazardClass ]

4.1
[PackingGroup ]

III
[HS Code ]

29339900
Hazard InformationBack Directory
[Chemical Properties]

White crystals
[Application]

5-(Ethylthio)-1H-tetrazole is used a powerful activator in DNA and RNA syntheses.
[Preparation]

5-(Ethylthio)-1H-Tetrazole is prepared from the corresponding alkyl thiocyanate and sodium azide through a [2?+?3] cycloaddition under phase transfer catalytic conditions (eq 1). The ratio of the solvent (water to toluene) as well as the reaction temperature are important factors in obtaining preparative yields of the alkylthiotetrazoles. 5-Ethylthio-1H-tetrazole has also been prepared using DMF as solvent albeit in much lower yield.
synthesis of 5-(Ethylthio)-1H-tetrazole
[General Description]

5-(Ethylthio)-1H-tetrazole (ETT) is an efficient activator, that activates nucleoside phosphoramidites towards condensation with a nucleoside to form dinucleoside phosphates during oligonucleotide synthesis.
[Purification Methods]

recrystallized from toluene.
Spectrum DetailBack Directory
[Spectrum Detail]

5-(Ethylthio)-1H-tetrazole(89797-68-2)1HNMR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

89797-68-2(sigmaaldrich)
[TCI AMERICA]

5-(Ethylthio)-1H-tetrazole,>98.0%(LC)(T)(89797-68-2)
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