303232

3-Nitro-2-pyridinesulfenyl chloride

95%

• Synonym(s): (3-Nitro-2-pyridyl)sulfenyl chloride, 2-(Chlorosulfanyl)-3-nitropyridine, 3-Nitropyridinyl-2-sulfenyl chloride, [(3-Nitropyridin-2-yl)sulfanyl]chlorane
• Empirical Formula (Hill Notation): C₅H₃ClN₂O₂S
• CAS Number: 68206-45-1
• Molecular Weight: 190.61
• MDL number: MFCD00274609
• UNSPSC Code: 12352100
• PubChem Substance ID: 24858307
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 95%
• mp: 205 °C (dec.) (lit.)
• solubility: dichloromethane: soluble(lit.)
• functional group: nitro
• storage temp.: 2-8°C
• SMILES string: [O-][N+](=O)c1cccnc1SCl
• InChI: 1S/C5H3ClN2O2S/c6-11-5-4(8(9)10)2-1-3-7-5/h1-3H
• InChI key: WTKQMHWYSBWUBE-UHFFFAOYSA-N

Description

General description

The 3-nitro-2-pyridinesulphenyl (Npys) moiety is useful as a protecting-activating group for cysteine, particularly in the synthesis of cyclic and unsymmetrical disulfides. The stability of NpysCl was studied in various solvents.

Application

3-Nitro-2-pyridinesulfenyl chloride (NpysCl) was employed as the starting material for the synthesis of N-, O- and S-Npys-protected amino acid.

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves