Sodium N-(8-((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-7-hydroxynaphthalen-1-yl)acetimidate CAS 6441-96-9
| CAS No. | 6441-96-9 |
| Molecular Formula | C18H13ClN3O6S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 457.82 g/mol gives Sodium N-(8-((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-7-hydroxynaphthalen-1-yl)acetimidate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Sodium N-(8-((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-7-hydroxynaphthalen-1-yl)acetimidate (CAS 6441-96-9), molecular formula C18H13ClN3O6SNa and molecular weight 457.82 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H13ClN3O6SNa, Sodium N-(8-((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-7-hydroxynaphthalen-1-yl)acetimidate contains a salt form, a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 457.82 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.
CATO manufactures Sodium N-(8-((E)-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-7-hydroxynaphthalen-1-yl)acetimidate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H13ClN3O6S Na |
| Molecular Weight | 457.82 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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