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Merck
CN

92080

Sigma-Aldrich

1-(2,4,6-Triisopropylbenzenesulfonyl)-4-nitroimidazole

purum, ≥98.0% (HPLC)

Synonym(s):

TPSNI

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About This Item

Empirical Formula (Hill Notation):
C18H25N3O4S
CAS Number:
63734-76-9
Molecular Weight:
379.47
Beilstein:
583013
MDL number:
MFCD00043165
UNSPSC Code:
12352200
PubChem Substance ID:
329769864

Key Documents

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grade

purum

Assay

≥98.0% (HPLC)

mp

157-159 °C (sealed tube)

storage temp.

−20°C

SMILES string

CC(C)c1cc(C(C)C)c(c(c1)C(C)C)S(=O)(=O)n2cnc(c2)[N+]([O-])=O

InChI

1S/C18H25N3O4S/c1-11(2)14-7-15(12(3)4)18(16(8-14)13(5)6)26(24,25)20-9-17(19-10-20)21(22)23/h7-13H,1-6H3

InChI key

ZYQZZMOLYGORFJ-UHFFFAOYSA-N

Other Notes

Condensing reagent for oligonucleotide synthesis

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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J H van Boom et al.
Nucleic acids research, 4(4), 1047-1063 (1977-04-01)
A combination of two different methods for the synthesis of oligoribonucleotides, i.e. the two-step phosphotriester method with 2-chlorophenyl phosphate as bifunctional phosphate source and the modified triester method with 2,2,2-trichloroethyl 2-chlorophenyl phosphorochloridate as monofunctional phosphate source, is applied for the
J.F.M. de Rooij et al.
Tetrahedron, 35, 2913-2913 (1979)
K K Ogilvie et al.
Nucleic acids research, 8(9), 2105-2115 (1980-05-10)
The t-butyldimethylsilyl group is shown to be an ideal protecting group for the 2T-hydroxyl function of ribonucleosides during the synthesis of ribonucleotides using any of nine commonly used condensing agents. The phosphite coupling procedure compares favorably with all of the

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