68206-45-1 3-Nitro-2-pyridinesulfenyl 2-Pyridinesulfenyl chloride, 3-nitro- 3-Nitro-2-pyridinesulfenyl chloride Npys Npys-Cl CAS 68206-45-1
| CAS No. | 68206-45-1 |
| Molecular Formula | C5H9ClN2O2S |
| Molecular Weight | 196.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 68206-45-1 3-Nitro-2-pyridinesulfenyl 2-Pyridinesulfenyl chloride, 3-nitro- 3-Nitro-2-pyridinesulfenyl chloride Npys Npys-Cl is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
68206-45-1 3-Nitro-2-pyridinesulfenyl 2-Pyridinesulfenyl chloride, 3-nitro- 3-Nitro-2-pyridinesulfenyl chloride Npys Npys-Cl (CAS 68206-45-1) is a high-purity analytical reference standard with the molecular formula C5H9ClN2O2S and a molecular weight of 196.66 g/mol.
Structurally, 68206-45-1 3-Nitro-2-pyridinesulfenyl 2-Pyridinesulfenyl chloride, 3-nitro- 3-Nitro-2-pyridinesulfenyl chloride Npys Npys-Cl (C5H9ClN2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 196.66 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 68206-45-1 3-Nitro-2-pyridinesulfenyl 2-Pyridinesulfenyl chloride, 3-nitro- 3-Nitro-2-pyridinesulfenyl chloride Npys Npys-Cl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H9ClN2O2S |
| Molecular Weight | 196.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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