N-(2-Nitrophenylsulfenyl)-L-tryptophan (dicyclohexylammonium) salt CAS 7675-55-0
| CAS No. | 7675-55-0 |
| Molecular Formula | C17H15N3O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(2-Nitrophenylsulfenyl)-L-tryptophan (dicyclohexylammonium) salt 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.
N-(2-Nitrophenylsulfenyl)-L-tryptophan (dicyclohexylammonium) salt (CAS 7675-55-0) is a high-purity analytical reference standard with the molecular formula C17H15N3O4SC12H23N and a molecular weight of 538.71 g/mol.
Based on its molecular formula C17H15N3O4SC12H23N, N-(2-Nitrophenylsulfenyl)-L-tryptophan (dicyclohexylammonium) salt contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 538.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C17H15N3O4S C12H23N |
| Molecular Weight | 538.71 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related N Standards
- N-2-Nitrophenylsulfenyl-L-isoleucine Dicyclohexylammonium Salt (CAS 10382-52-2)
- N-(2-Nitrophenylsulfenyl)-L-threonine (dicyclohexylammonium) salt (CAS 14921-33-6)
- N-(2-Nitrophenylsulfenyl)-L-serine (dicyclohexylamine) (CAS 2418-89-5)
- N-2-Nitrophenylsulfenyl-L-leucine (CAS 50571-61-4)
- N-2-Nitrophenylsulfenyl-L-alanine Dicyclohexylammonium Salt (CAS 7675-46-9)
- N-(2-Nitrophenylsulfenyl)glycine (dicyclohexylamine) (CAS 7675-47-0)
- N-(2-Nitrophenylsulfenyl)-L-hydroxyproline (dicyclohexylamine) (CAS 7675-54-9)
- N-(2-Nitrophenylsulfenyl)-L-tyrosine (dicyclohexylammonium) salt (CAS 7675-56-1)
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