1-Naphthalenylsulfonyl-Ile-Trp-aldehyde CAS 161709-56-4
| CAS No. | 161709-56-4 |
| Molecular Formula | C27H29N3O4S |
| Molecular Weight | 491.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Naphthalenylsulfonyl-Ile-Trp-aldehyde 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.
1-Naphthalenylsulfonyl-Ile-Trp-aldehyde (CAS 161709-56-4), molecular formula C27H29N3O4S and molecular weight 491.60 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C27H29N3O4S, 1-Naphthalenylsulfonyl-Ile-Trp-aldehyde 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 491.60 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H29N3O4S |
| Molecular Weight | 491.60 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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