1-(2-Mesitylenesulfonyl)-3-nitro-1H-1,2,4-triazole, 99+%

Catalog No.	Quantity
AAH5479203	1 g
AAH5479206	5 g

Catalog No. AAH5479203 Supplier Thermo Scientific Chemicals Supplier No. H5479203

Description

CAS: 74257-00-4 | C11H12N4O4S | 296.30 g/mol

1-(2-Mesitylenesulfonyl)-3-Nitro-1H-1,2,4-Triazole is an efficient coupling reagent in the synthesis of oligonucleotides via phosphotriester approach.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1-(2-Mesitylenesulfonyl)-3-Nitro-1H-1,2,4-Triazole is an efficient coupling reagent in the synthesis of oligonucleotides via phosphotriester approach.

Solubility
Soluble in Chloroform.

Notes
Store at 4°C. Keep away from oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 74257-00-4
• Molecular Formula: C11H12N4O4S
• Molecular Weight (g/mol): 296.30
• MDL Number: MFCD00009754
• InChI Key: SFYDWLYPIXHPML-UHFFFAOYSA-N
• Synonym: 1-mesitylsulfonyl-3-nitro-1h-1,2,4-triazole, 1-mesitylene-2-sulfonyl-3-nitro-1,2,4-triazole, msnt, 1-mesitylene-2-sulfonyl-3-nitro-1h-1,2,4-triazole, 3-nitro-1-2,4,6-trimethylphenyl sulfonyl-1,2,4-triazole, 1-2-mesitylenesulfonyl-3-nitro-1h-1,2,4-triazole, 2,4,6-trimethylphenyl-3-nitro-1,2,4-triazol-1-yl sulfone, 3-nitro-1-2,4,6-trimethylbenzenesulfonyl-1h-1,2,4-triazole, 1h-1,2,4-triazole, 3-nitro-1-2,4,6-trimethylphenyl sulfonyl
• PubChem CID: 716901
• IUPAC Name: 3-nitro-1-(2,4,6-trimethylphenyl)sulfonyl-1,2,4-triazole
• SMILES: CC1=CC(C)=C(C(C)=C1)S(=O)(=O)N1C=NC(=N1)[N+]([O-])=O

• Melting Point: 134°C to 139°C
• Quantity: 1 g
• Beilstein: 4328921
• Solubility Information: Soluble in Chloroform.
• Formula Weight: 296.3
• Percent Purity: ≥99%
• Chemical Name or Material: 1-(2-Mesitylenesulfonyl)-3-nitro-1H-1,2,4-triazole

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only